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牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 4 Save the trees.导学案及答案
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这是一份牛津版 (深圳&广州)七年级下册（2012秋审查）Unit 4 Save the trees.导学案及答案，共21页。学案主要包含了必记单词，常考短语，重点句型，完成句子，每空一词，汉译英等内容，欢迎下载使用。
Unit4 Save the trees
1. To learn some new words and phrases in this unit.
2. To know how to use these words and phrases.
3. Attract students’ interest to English learning.
Do you know anything about trees?
Key：Trees keep the air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe.
一、必记单词
pine n. 松树
produce v. 产生；生产
branch n. 树枝
imagine v. 想象；设想
example n. 例子
dig v. 挖
gas n. 气体
carry v. 般；扛；背
oxygen n. 氧气
harmful adj. 有害的
furniture n.家具
major adj. 主要的
disease n. 疾病
convenient adj. 方便的
hole n. 洞
against prep. 反对
save v. 拯救
discuss v. 讨论
fight v. 与…作斗争
二、常考短语
1. in the importance of… …的重要性
17. be bad for 对…有害
2. know about 了解
18. with the help of 在…帮助下
3. fight against 与…作斗争
19. on holiday 在度假
4. provide sb. with sth. 为某人提供某物
20. at the beach 在海滩上
5. in our daily lives 在我们的日常生活中
21. on the phone 在打电话中
6. in many ways 在许多方面
22. at a…speed 以…的速度
7. take in 吸收
23. not…until… 直到…才…
8. come from 来自
24. (be) good for 对…有用
9. for example 例如
25. dig holes 挖洞
10. in fact （补充细节）确切地说
26. thousands of 成千上万的
11. get…from… 从…得到…
27. because of 因为
12. look around 环顾四周
28. as a result 结果
13. (be) made of… 由…制成
29. the number of… …的数量
14. cut down 砍倒
30. do one’s best to do sth. 尽某人最大的努力去做某事
15. millions of 大量的；数以百万计的
31. according to 根据；按照
16. stop doing sth. 停止做某事
32. such as 例如
三、重点句型
1. They keep the air cool and clean.
2. They take in harmful gases from the air and produce oxygen.
3. Trees also make our lives more convenient. 树也使我们的生活更方便了。
1. furniture 不可数名词，意为“家具”
一件家具用 a piece of furniture
【即学即练】
How much ________ (furniture) is there in your room?
Key: furniture
2. In this unit, you will learn about trees and their importance in our lives.
importance(the quality of being important) 名词，意为“重要性”，形容词为important “重要的”
例如: We all know the importance of learning a foreign language well.
I have something important to tell you.
【即学即练】
Everyone must know the _______ (important) of trees.
Key: importance
3. discuss 动词 discuss the importance of trees.
discuss (to talk about sth. with sb.) 动词，意为“讨论；商量” 常用搭配：
discuss sth. with sb.
名词形式为 discussion
【即学即练】
We had a long _______ (discuss) before we had a meeting.
Key: discussion
4. They help fight against pollution.
fight 不及物动词（与…作斗争），打架（后接against, with, for 等）,
及物动词，意为“极力反对，斗争，与…打架”, 其过去式fought.
名词，意为“战斗，打架”.名词形式为 “fighter”
例如: The soldiers fought against enemies bravely.
Have you fought with your brother again?
Do stop fighting, boys!
They fought for their country.
Workers are fighting the decision to close the factory.
Tom fought the tall boy just now.
The police stopped the fight outside the school.
against: 介词，意为“反对” 反义词为“for”支持
be against (doing) sth. 反对做某事
【即学即练】
One of the opinions ______ smoking is that it is harmful to people’s health.
A. for B. against C. at D. in
Key: B
5. They provide us with wood, fruit, etc.
provide 提供，供应
provide sb. with sth.=provide sth. for sb. 提供给某人某物
【即学即练】
1. This website can provide us ______the information we want.
A. for B. on C. in D. with
2. This restaurant _____ people _______ delicious food.
A. provides; for B. offers; to C. provides; with
解析：1. D 2. C
6. They keep the air cool and clean.
keep是及物动词，意为“保持”，过去式和过去分词都是kept.
①后接形容词作表语。
Please keep quiet. 请保持安静。
②后接形容词，现在分词，过去分词等作宾语补足语。
Close the door to keep the room warm. 关上门以保持室内温暖。
I’m sorry to keep you waiting so long. 对不起，让你久等了。
【即学即练】
Doing exercise every day can keep you______.
A. healthy B. healthily C. friendly D. happily
Key: A
7. They take in harmful gases from the air and produce oxygen for us to breathe.
take in 吸收
与take相关的其他短语
take back拿回；收回 take care of 照顾；照料
take off 脱下；起飞 take up 占据（时间或空间）
take on 从事
【即学即练】
The plant ______ water from the soil through the roots.
A. takes off B. takes in C. takes care of D. takes part in
Key: B
8. harmful (causing damage or injury to sb./sth.) 形容词，意为“有害的”。常构成短语be harmful to, 意为“对…有好处”。
Smoking is harmful to health. 吸烟有害健康。
Freezing weather is harmful to orange trees. 冰冻天气对橙子树有害。
【拓展】：
harmful的名词形式为harm, 意为“损害，伤害”，
do harm to=be harmful to 意为“对…有害”
例如：He did me no harm. 他没有伤害我。
The waste and poison may do great harm to the things around us.
这些废弃物和毒物可能会对我们周围的东西造成极大的危害。
【即学即练】
Too many cars are _______ to the environment, so we’d better take the bus more.
A. useful B. harmful C. helpful D. meaningful
Key: B
9. produce (to make things to be sold, especially in large quantities) 动词,意为“产生；生产”。
produce与make
produce
可以通过制造而获得产品；也可以通过种植而获得产品，如生产粮食，蔬菜等
make
作“制造”讲时，一般可以和produce互换，但不能表示通过种植而获得产品
They produce wheat and rice. 他们生产小麦和稻米。
The factory produces/makes cars. 这个工厂制造汽车。
【即学即练】
1.Daily practice is the trick(诀窍) in learning a foreign language.
A. Often B. Useful C. Everyday
2.This factory produces different kinds of machines.
A. sells B. has C. makes
Keys: 1. C 2. C
10. I know trees also make our lives more convenient
convenient 形容词，意为“方便的”，其主语不能时表示人的词，常用于句型It’s convenient for sb. to do sth., 意为“对于某人来说做某事是方便的”。
It’s convenient for us to go to work by bike. 我们骑自行车上班很方便。
名词形式是convenience, 既可作可数名词，意为“便利的设施”，也可作不可数名词，意为“方便；便利”
The house has all the modern conveniences. 这所房子配有各种现代化便利设施。
I keep my books near my desk for convenience. 为了方便，我把书放在书桌旁。
【即学即练】
It is _______ for people to use mobike.
Key: convenient
11．Look around this room.
look around 意为“环顾四周；到处查看”
【拓展】与look相关的其他短语
look at 看着 look like 看起来像
look after 照顾；照看 look out 小心；当心；留神
look up 查找；抬头看 look forward to 期待；期盼
【即学即练】
1. We should ______ before we cross the road.
A. look for B. look after C. look around D. look at
2. He ________ carefully for possible danger.
A. looks around B. looks at C. looks for
Keys: 1. C 2. A
12. Many of the things in our daily lives come from trees.
come from=be from 意为“来自”
【即学即练】
这盒巧克力是从哪里来的？
Where does the box of chocolate ________ _________?
Key: come from
13. For example, paper and pencils.
for example 意为“例如”，用来举例说明。
【即学即练】
1.商店里有各种的水果，例如梨，西瓜，葡萄。
There are different kinds of fruits in the shop, _______ ________pears, watermelons and grapes.
2.Vienna is famous for having many great musicians. ________, John Strauss the younger wrote hundreds of wonderful pieces of music there.
A. In fact B. For example C.As a result D. In my opinion
Key: 1. for example 2. B
14. A lot of the furniture is made of wood.
furniture 不可数名词，意为“家具”，可以用much, little, a lot of等修饰。
a piece of furniture一件家具
例如: There is little furniture in his room. 他的房间里几乎没有家具。
be made of 意为“由…制成”
例如: The cup is made of glass. 这个杯子是由玻璃制成的。
The desk in our classroom is made of wood.
我们教室里的课桌式由木头制成的。
These chopsticks are made of bamboo. 这些筷子是由竹子制成的。
Wine is made from grapes. 葡萄酒是用葡萄做成的。
【辨析】 be made of 与 be made from
of + 材料（可以看出原材料）
成品+be made
from + 材料（看不出原材料）
【即学即练】
1. 这些美丽的花朵是由纸制成的。
These beautiful flowers______ ______ _______paper.
2. Your gloves should be made ________ leather, for they feel soft and smooth.
A. in B. on C. for D. of
Key: 1. is made of; 2. D
15. I can’t imagine a world without trees.
imagine(to have a picture of sth. in your mind)动词，意为“想象；设想”。
其后可以接名词，代词，动词-ing形式及宾语从句。
例如: Did you imagine becoming a pilot? 你 想象过成为一名飞行员吗？
I can’t imagine what will happen next. 我想象不出来接下来将会发生什么。
【即学即练】
When I was a child, I often imagined ________ in the sky.
A. fly B. flies C. flew D. flying
Key: D
16. But we cut down millions of trees every year.
cut down 意为“砍倒；砍伐”动词+副词 构成的短语
名词作宾语时，既可以放在动词和副词之间，又可放于副词后；
代词作宾语时，须放在动词和副词之间。
例如: He cut a tree down yesterday.=He cut down a tree yesterday.
昨天他砍了一棵树。
Why did you cut it down? 你为什么把她砍倒呢？
millions of 意为“大量的；数以百万计的”后接可数名词复数
billion, million, thousand, hundred, dozen等词前面有具体数字修饰时，要用单数形式；当前面没有具体的数字修饰时，需在其后加+s, 并和of 连用。
例如: The population of our city is about two million. 我们市大约有两百万人口。
Thousands of people come to visit the famous place every year.
每年成千上万的人来参观这个著名的地方。
【即学即练】
1.When I was running in the park, I saw some people _____ the old trees.
A. sitting down B. cutting down C. getting down D. putting down
2. Every night ______ people come to enjoy the lightshow in Zhujiang New Town.
A. thousands B. thousands of C. thousand D. thousand of
3.(中考链接)Nowadays, ______ farmers leave their hometown to search for work in the cities.
A. million of B. two millions C. millions of D. two millions of
Key：1. B 2. B 3. C
17. however
副词，意为“然而；不过”，可以位于句首，句中和句末。
【辨析】 however 与 but
however
副词，必须用逗号与其他成分隔开，表示补充
but
连词，其后一般不使用逗号，表示转折
例如：My father knows that it is not good to smoke. However, he can’t give up smoking. 我父亲知道吸烟不行。然而，他却戒不了。
I called you, but you did not answer. 我给你打过电话，但你没有接。
【即学即练】
Tim likes sports. _______, her wife doesn’t.
A.But B. However C. So D. Or
Key: B
18. She can skate at a very high speed because she practises a lot.
①practise vt. 意为“训练，练习”。宾语可接名词，代词，动名词。
practice doing sth 意为“练习做某事”
如：It's very important to practise listening. 练习听力是非常重要的。
②practise vi. 如：Don' t forget to practise after class. 课后别忘了练习。
③practise的名词是 practice不可数名词。通常指经常性或系统性的重复练习。
如：Practice makes perfect. 是一句谚语，意思是“熟能生巧”。
在英式英语中practice只有名词词性；而美语中既可作动词亦可作名词。
【即学即练】
1. Bruce practices ________ basketball every day so that he can be a better player.
A. play B.to play C. playing
2. --- Jane’s spoken English is pretty good.
--- Yeah, she works hard and practices _______ it both in and out of class.
A. spoke B. to spoke C. speaking D. to speaking
Keys: 1. C 2. C
19. …but the speaker did not stop speaking until twenty past twelve.（page52）
not…..until 意为：直到…..才…..。主语的动词一般为非延续性动词，它所表示的动作直到 until所表示的时间才发生。
如：We won’t see any flowers until May.
until 连词，意为:直到…..时。用于肯定句，主句的动词一般为延续性动词。
如：He waits until the children are asleep.
I shall stay here until twelve o’clock.
【即学即练】
1. We ______ leave the office _______ the heavy rain stops.
2. Our Chinese teacher didn’t go to bed _______ he finished his work last night.
A. if B. until C. since D. because
Keys: 1. didn’t until 2. B
20. another worker
another
指三者或三者以上中的“另一个”one…another…
I don’t like this one. Please show me another.
other
Adj.其他的，其余的，常用复数形式
Ask some other people.
the other
两者中“另一个”，one··the other··一个··另一个
He has two daughters. One is a nurse, the other is a worker.
others
其他的人或物,常用于some…others…
There are no others. 没有别的了。
the others
其余的人或物，表示一个范围内其他全部
Two boys will go to the zoo, and the others will stay at home.
例如:
1. ---Would you like another apple? 你想再要一个苹果吗？
---No, thanks. I’m full. 不，谢谢。我饱了。
2. I don’t like this one. Please show me another. 我不喜欢这个.请给我看另一个.
3. Let me give you another example. 我再给你举个例子吧。
4. We have Chinese, Maths, English and other lessons at school.
我们在学校上语文，数学，英语和其他课。
5. He has a book in one hand and a pen in the other.
他一只手拿着一本书，另一只手拿着一支钢笔。
6. Some of us like singing and dancing, others go in for sports.
我们中的一些人喜欢唱歌和跳舞，其他人喜欢体育活动。
【即学即练】
1. Would you like _____ cup of coffee?
A. other B. the other C. another D. others
2.I don’t understand what you said. Would you please give me ______example?
A. another B. other C. others
Keys: 1. C 2. A
21. It covers five and a half million square kilometers of the Amazon Basin and spreads across nine countries.（page54）
【辨析】carry， take，bring
carry
搬，扛 不论移动的方向
The mother carries her baby in her arms。
bring
带来，带走 以说话人为中心，
把某物带到说话人身边
They’re going to bring some gifts for us on Christmas.
take
以说话人为中心，把某物带到远处
Please take these books to the library for me.
（1）①cover v. 覆盖，遮盖；
cover…with 用···把··盖上； be covered with… 被….覆盖着。
如：The road is usually covered with snow in winter
②cover 可数名词，意为：覆盖物，盖子，封面
如：The new book needs a new cover.
(2) 区别：across， cross，through， over
across
介词，在空间内从一端到另一端，或是十字交叉穿过．
(过河，过桥，过马路）
cross
动词，含义同上
through
介词。穿过，通过。动作是立体空间进行，
穿过沙漠，森林，窗户
over
动词，则是对于位置的高低而言，强调＂翻越＂．
穿越高的障碍物，
如篱笆，栅栏，山脉
【即学即练】
This is a dangerous area, so don’t c________ too much cash(现金) on you.
Key：carry
22.Many living things lose their homes because of deforestation.（page54）
许多生物因为森林砍伐失去家园。
(1) 【辨析】living, alive, live, lively
living
n.生物
all living things——所有生物
adj.活着的、有生命的，主要用于
作前置定语及冠词the之后，表示一类人
the living——活着的人们
alive
活着的、有活力的
The fish is still alive/living.
live
[laiv]
“活的”“有生命的”“活生生的”，
主要用来说鸟或其他动物
a live fish——一条活鱼；
a live tiger——一只活老虎
实况的、现场直播的
a live report——现场报道
lively
活泼的、有生气的、生动的
a lively child——活泼的孩子
a lively discussion——热烈的讨论
(2) because of…=as a result of…
意为“因为；由于”其后接名词，代词或动词-ing形式，不能接句子。
【即学即练】
Tim bought the book _______ its beautiful cover.
A. because B. as C. because of D. instead of
Key: C
23.As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing.（page54）
the number of
···的数量，后接复数名词，
谓语动词要用单数，其表语通常是数字，但也可以是large/small.
The number of the students in our class is 45.
a number of
大量，许多=many，后接复数名词，谓语动词要用复数
A number of students are playing football.
【即学即练】
1. ---How many women doctors are there in your hospital?
---The number of them _______ over twenty.
A. are B. were C. is D. was
2. In our city there ______ a number of cars and the number of them _______ growing larger and larger.
A. are; is B. have; is C. is; are
Key: 1. C 2. A
24.We must do our best to protect the Amazon rainforest.
(1) do one’s best to do sth=try one’s best to do sth 意为“尽最大努力去做某事”
例如：We should do our best to fight against air pollution.
我们应该尽最大努力来抵制空气污染。
(2) protect 动词，意为“保护；防护”
常用搭配：protect…from/against…“保护…免遭…”
例如: He was wearing dark glasses to protect his eyes from the sun.
他戴着墨镜以保护眼睛不受阳光的刺激。
Parents try to protect their children against danger as far as possible.
父母都尽力保护他们的孩子远离危险。
【即学即练】
1. They will do their best _______ the work on time.
A. finish B. finishes C. finishing D. to finish
2.雨伞能为我们遮阳和挡雨。
An umbrella can ______ us ________ strong sunlight and rain.
Keys:1. D ; 2. protect from/against
25.Tea is the most popular drink in the world besides water.(page55)
茶是世界上除了水之外最受欢迎的饮料。
besides
“除了……之外”（还有）
相当于“加上”；
Besides his wife，his daughter also went to see him．
except
除了之外（没有）…
相当于“减去”；
I go to school every day except [but] Sunday．
but
介词，除了。只能和不定代词如nothing，all，anything， no one，anyone等连用。
Nobody knows the truth but Tom.
【即学即练】
______ running after success, we have a lot of other interesting things to do in our lives.
A. By B. On C. Besides
Key: C
综合练习
一、单项选择。
i.从下面每小题的A，B，C三个选项中选出可以替换划线部分的最佳选项。
( ) 1. Most students of our class are against the plan.
A. don’t agree to B. don’t believe C. don’t know
( ) 2. John wants to discuss the plan with his friends.
A. talks about B. takes part in C. give up
( ) 3. My foreign teacher comes from America.
A. would B. is from C. grows up
( ) 4. Drinking water is good for your health.
A. is helpful for B. is famous for C. is bad for
( ) 5. I’d like to stand on the top of the mountain and take in some fresh air.
A. drink B. make C. breathe
( ) 6. --- The factory can produce a lot of interesting toys.
--- Yeah. My father often buys nice toys for me in it.
A. make B. find C. throw
( ) 7. --- What’s the major problem for you to study English?
--- Speaking. I can’t speak English well.
A. dangerous B. main C. difficult
( ) 8. For example, apple is a kind of tasty and healthy fruit.
A. Such as B. In fact C. For instance
ii. 根据句子意思，从下面A，B，C三个选项中选出恰当的词语完成句子。
( ) 9. It’s ______ to live here. There is a shopping mall and a metro station near here.
A. lucky B. convenient C. dangerous
( ) 10. Smoking is ______ to your health.
A. harmful B. interesting C. surprising
( ) 11. He didn’t pass the English exam. I can______ how sad he was.
A. imagine B. practice C. enjoy
( ) 12. --- What happened to your mother?
--- Sorry, dad. I made her _______ just now.
A. angry B. angrily C. anger
( ) 13. These animals are______. We should protect them.
A. in time B. all the way C. in danger
( ) 14. Trees can ______ us ______ fruit. They are very useful and important in our daily lives.
A. protect; with B. provide; with C. provide; for
( ) 15. --- _____ your parents _______ TV now?
--- Yes. They are in the living room.
A. Did; watch B. Will; watch C. Are; watching
二、根据句意及首字母提示完成单词。
1. The supermarket near our house is very c____________. We can buy things at any time.
2. Trees p________ oxygen for us to breathe.
3. Did he f___________ with his friends yesterday?
4. Trees are very important in our lives. Can you i_________ a world without them?
5. The box is so heavy, I can’t c__________ it.
三、用所给词的适当形式填空。
1. There are ___________ (million) of books in Guangzhou Library.
2. Air pollution is ___________ (harm) to our health.
3. Those pictures on the wall are __________ (make) of leaves.
4. After the heavy rain, there are a lot of ________ (branch) on the ground.
5. The students stopped ____________ (discuss) when the teacher came in.
四、完成句子，每空一词。
1. 这张床是由木材制成的。
The bed ______ _______ _______ wood.
2. 我环顾教室，没看到任何人。
I _______ _________the classroom and didn’t see anybody.
3. 事实上，她撒谎了。
_________ __________, she told a lie.
4. 我喜欢做运动，运动对我们有好处。
I like doing sports. It ______ _______ _____ us.
5. 每年数以百万计的游客来广州参观。
________ _________ tourists come to visit Guangzhou every year.
五、汉译英。
1. 医生们尽了他们最大的努力拯救那个女孩。
__________________________________________________________
2. 他们正在把家具搬到客厅吗？
__________________________________________________________
3. 杰克昨晚9点才离开办公室。
__________________________________________________________
4. 那个男孩正在与疾病作斗争。
__________________________________________________________
5. 我们班上男生的人数是二十。
__________________________________________________________
解析：
一．1-5 AABAC 6-10 ABCBA 11-15 AACBC
二．1.convenient 2.produce 3.fight 4.imagine 5.carry
三．1.millions 2.harmful 3.made 4.branches 5.discussing
四．1.is made of 2.looked around 3.In fact 4.is good for 5.Millions of
五．1. The doctors did their best to save the girl.
2. Are they carrying the furniture to the living room?
3. Jack didn’t leave the office until 9:00 yesterday night.
4. The boy is fighting against the disease.
5. The numbers of boys in our class is twenty.
一、词汇：根据汉语或首字母提示写单词，补全句子。
1. In a forest, people can have more ________ (氧气) to breathe.
2. Let's _____________ (讨论)the importance of trees.
3. The __________ (气体) from the paper factory smells very bad.21* *com
4. There are a lot of ________ (家具) in the house.
5. Let’s help save this small tree. It has got a _________ (疾病).
6. The p_______ trees are always green around the year.
7. Some forests are in danger. So people are trying to s_______ them.
8. To have a better living environment, we must fight a ________ pollution.
9. We can't i_______ a world without animals or trees.
10. Look! The girl is putting a tree in a h_________ to plant it.
二、句子：根据汉语提示，补全句子。每空一词。
11.大多数水果来自树木。
Most of the fruits ________ ________trees.
12.那个男孩正在四处张望。
That boy _______ ______ ______.
13.实际上，多年以前这个地方被树覆盖着。
______ ______, this place was covered with trees many years ago.
14.尽管这座轿是木制的，但它依然很牢固。
Though this bridge ______ ______ ______ wood, it's still very strong.
15．那些村民们正尽力地保护着那个小森林。
Those villagers are ________ _______ _______ to protect that small forest.
三、单项选择。
A)从下面每小题的A、B、C、D四个选项中选出可以替代划线部分的最佳选项。
( ) 16. As students, our major task (任务) is to study hard.
A. busy B. great C. interesting D. important
( ) 17. Trees can produce lots of useful things for us.
A. make B. find C. buy D. watch
( ) 18. Computers and mobile phones make our lives more convenient.
A. easier B. richer C. more exciting D. more interesting
( ) 19. The children are discussing what to do to help animals.
A. listening to B. looking at C. thinking of D. talking about
( ) 20. The tall mountains are covered with millions of trees.
A. several B. a few C. a lot D. so many
B)从下面每小题的A、B、C、D四个选项中选出可以填入空白处的最佳选项。
( ) 21. --- How do trees help us? Do you know?
--- For_______ example, they can keep air cool _______clean.
A. an; but B. an; and C. /; but D. /; and
( ) 22. --- Why do trees have very long roots?
--- Because the roots take ___________ enough water for them _________.
21cnj A. in; living B. in; to live C. out; living D. out; to live
( ) 23. --- I'd like ________ something about trees. Can you tell me?21教育名师原创作 --- Sure. They can help ________ in many ways.
A. to know; we B. to know; us C. know; we D. know; us
( ) 24. --- ______ do we have to save trees?
--- Because they are ______ birds and animals.
A. Why; home to B. Why; the home to
C. How: home to D. How; the home to
( ) 25. --- This kind of new car can produce little ______ gases and it is cheap.
--- Sounds good. I'll think about when ______ it.
A. useful; buying B. useful; to buy
C. harmful; buying D. harmful; to buy
( ) 26. --- Wow! There _______ a lot of new desks in the house.
--- Yeah. And they smell _______ because they are wooden (木制的). 21世纪教育 A. is; nice B. is; nicely
C. are; nice D. are; nicely
( ) 27. --- I think drinking too much cola is ________health.
--- I agree. So what kind of drink can keep us ________.
A. good for, health B. bad for; health
C. good for; healthy D. bad for; healthy
( ) 28. --- Look! The old woman ___________ a big bag. She must be tired.
--- I think so. Let's provide her _________ some help.
A. carries; for B. carries, with
C. is carrying; for D. is carrying; with
( ) 29. --- What a nice hill! There are _________trees on it.
--- That's because people have never stopped ________ here.
A. thousand of; planting B. thousand of; to plant
C. thousands of; planting D. thousands of; to plant
( ) 30. --- Look! The farmers________ down trees now.
--- ___________. Why not stop them doing that?
A. cut; Sounds great B. cut; I'm not sure
C. are cutting; It doesn't matter D. are cutting; That's too bad
四．用所给单词的适当形式完成句子。
46. What a tall tree! It has long ________ (branch) and thick leaves.
47. In big cities, air ________ (pollute) is becoming worse than before.
48. We use trees to do a lot of useful things in our_______ (life).
49. He left without _________ (say) any words.
50. Trees can provide better places for animals and birds ______ (live) in.
51. Trees are like _______ (fight). They can keep air cool and clean.
52. Look! The boys are _______ (lie) on the beach and enjoying the sun.
53. The phone is ______ (ring). Please answer it now.
54. It's a fine day ________ about ______ (dig) holes by the lake to plant trees?
55. You can improve (提高) your English by _________ (join) an English club.
五．书面表达。
请你根据下面的内容提示，以The uses of trees为题，写一篇关于树的用途的文章。60词以上，可以适当发挥。（开头已经给出，不计入总词数）
提示：
1．树可以为我们提供很多有用的东西，如水果，药品，木材等；
2．树为人类提供氧气，净化空气，美化环境，有利于生态环境的保护；
3．树可以为动物和鸟类提供家园和足够的食物，保持生态平衡(the balance of nature)；
4．树能够、防止水土流失和减少土地变成沙漠 (desert)。
The uses of trees
For humans, trees have a lot of uses.________________________________________
_____________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
演练方阵答案：
一. (One possible version)
1. oxygen 2. discuss 3. gas 4. furniture 5. disease
6. pine 7. save 8. against 9. imagine 10. hole
二. (One possible version)
11. come from 12. is looking around 13. In fact 14. is made of 15. doing their best
三. 16-20 DAADD 21-25 DBBAD 26-30 CDDCD
四. (One possible version)
46. branches 47. pollution 48. lives 49. saying 50. to live
51. fighters 52. lying 53. ringing 54. digging 55. joining
五. (One possible version)
The uses of trees
For humans, trees have a lot of uses. Trees can provide us with many things, such as fruit, medicine and wood. Trees can produce oxygen for people to breathe, keep air cool and clean. We can make our environment better by protecting trees. Trees are home to animals and birds and provide them with enough food. Trees can help keep the balance of nature. Trees can stop earth moving away with water and make less land become a desert. We can’t imagine a world without trees.
【书面表达写作指导】
本次书面表达要求写关于树的用途的文章。写作时要注意以下几点：
1. 确定时态，应使用一般现在时进行写作；
2. 书写正文时，要围绕文字提示展开内容，不能遗漏要点；
3. 注意正确使用情态动词can；
4. 文章完成之后，要通读全文，检查语法是否正确、要点是否齐全。
一．必记单词
pine n. 松树
produce v. 产生；生产
branch n. 树枝
imagine v. 想象；设想
example n. 例子
dig v. 挖
gas n. 气体
carry v. 般；扛；背
oxygen n. 氧气
harmful adj. 有害的
furniture n.家具
major adj. 主要的
disease n. 疾病
convenient adj. 方便的
hole n. 洞
against prep. 反对
save v. 拯救
discuss v. 讨论
fight v. 与…作斗争
二．常考短语
1. in the importance of… …的重要性
17. be bad for 对…有害
2. know about 了解
18. with the help of 在…帮助下
3. fight against 与…作斗争
19. on holiday 在度假
4. provide sb. with sth. 为某人提供某物
20. at the beach 在海滩上
5. in our daily lives 在我们的日常生活中
21. on the phone 在打电话中
6. in many ways 在许多方面
22. at a…speed 以…的速度
7. take in 吸收
23. not…until… 直到…才…
8. come from 来自
24. (be) good for 对…有用
9. for example 例如
25. dig holes 挖洞
10. in fact （补充细节）确切地说
26. thousands of 成千上万的
11. get…from… 从…得到…
27. because of 因为
12. look around 环顾四周
28. as a result 结果
13. (be) made of… 由…制成
29. the number of… …的数量
14. cut down 砍倒
30. do one’s best to do sth. 尽某人最大的努力去做某事
15. millions of 大量的；数以百万计的
31. acording to 根据；按照
16. stop doing sth. 停止做某事
32. such as 例如
学生易错点整理：
———————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————————
Unit4 Save the trees
1. To learn some new words and phrases in this unit.
2. To know how to use these words and phrases.
3. Attract students’ interest to English learning.
Do you know anything about trees?
Key：Trees keep the air cool and clean. They take in harmful gases from the air and produce oxygen for us to breathe.
一、必记单词
pine n. 松树
produce v. 产生；生产
branch n. 树枝
imagine v. 想象；设想
example n. 例子
dig v. 挖
gas n. 气体
carry v. 般；扛；背
oxygen n. 氧气
harmful adj. 有害的
furniture n.家具
major adj. 主要的
disease n. 疾病
convenient adj. 方便的
hole n. 洞
against prep. 反对
save v. 拯救
discuss v. 讨论
fight v. 与…作斗争
二、常考短语
1. in the importance of… …的重要性
17. be bad for 对…有害
2. know about 了解
18. with the help of 在…帮助下
3. fight against 与…作斗争
19. on holiday 在度假
4. provide sb. with sth. 为某人提供某物
20. at the beach 在海滩上
5. in our daily lives 在我们的日常生活中
21. on the phone 在打电话中
6. in many ways 在许多方面
22. at a…speed 以…的速度
7. take in 吸收
23. not…until… 直到…才…
8. come from 来自
24. (be) good for 对…有用
9. for example 例如
25. dig holes 挖洞
10. in fact （补充细节）确切地说
26. thousands of 成千上万的
11. get…from… 从…得到…
27. because of 因为
12. look around 环顾四周
28. as a result 结果
13. (be) made of… 由…制成
29. the number of… …的数量
14. cut down 砍倒
30. do one’s best to do sth. 尽某人最大的努力去做某事
15. millions of 大量的；数以百万计的
31. according to 根据；按照
16. stop doing sth. 停止做某事
32. such as 例如
三、重点句型
1. They keep the air cool and clean.
2. They take in harmful gases from the air and produce oxygen.
3. Trees also make our lives more convenient. 树也使我们的生活更方便了。
1. furniture 不可数名词，意为“家具”
一件家具用 a piece of furniture
【即学即练】
How much ________ (furniture) is there in your room?
Key: furniture
2. In this unit, you will learn about trees and their importance in our lives.
importance(the quality of being important) 名词，意为“重要性”，形容词为important “重要的”
例如: We all know the importance of learning a foreign language well.
I have something important to tell you.
【即学即练】
Everyone must know the _______ (important) of trees.
Key: importance
3. discuss 动词 discuss the importance of trees.
discuss (to talk about sth. with sb.) 动词，意为“讨论；商量” 常用搭配：
discuss sth. with sb.
名词形式为 discussion
【即学即练】
We had a long _______ (discuss) before we had a meeting.
Key: discussion
4. They help fight against pollution.
fight 不及物动词（与…作斗争），打架（后接against, with, for 等）,
及物动词，意为“极力反对，斗争，与…打架”, 其过去式fought.
名词，意为“战斗，打架”.名词形式为 “fighter”
例如: The soldiers fought against enemies bravely.
Have you fought with your brother again?
Do stop fighting, boys!
They fought for their country.
Workers are fighting the decision to close the factory.
Tom fought the tall boy just now.
The police stopped the fight outside the school.
against: 介词，意为“反对” 反义词为“for”支持
be against (doing) sth. 反对做某事
【即学即练】
One of the opinions ______ smoking is that it is harmful to people’s health.
A. for B. against C. at D. in
Key: B
5. They provide us with wood, fruit, etc.
provide 提供，供应
provide sb. with sth.=provide sth. for sb. 提供给某人某物
【即学即练】
1. This website can provide us ______the information we want.
A. for B. on C. in D. with
2. This restaurant _____ people _______ delicious food.
A. provides; for B. offers; to C. provides; with
解析：1. D 2. C
6. They keep the air cool and clean.
keep是及物动词，意为“保持”，过去式和过去分词都是kept.
①后接形容词作表语。
Please keep quiet. 请保持安静。
②后接形容词，现在分词，过去分词等作宾语补足语。
Close the door to keep the room warm. 关上门以保持室内温暖。
I’m sorry to keep you waiting so long. 对不起，让你久等了。
【即学即练】
Doing exercise every day can keep you______.
A. healthy B. healthily C. friendly D. happily
Key: A
7. They take in harmful gases from the air and produce oxygen for us to breathe.
take in 吸收
与take相关的其他短语
take back拿回；收回 take care of 照顾；照料
take off 脱下；起飞 take up 占据（时间或空间）
take on 从事
【即学即练】
The plant ______ water from the soil through the roots.
A. takes off B. takes in C. takes care of D. takes part in
Key: B
8. harmful (causing damage or injury to sb./sth.) 形容词，意为“有害的”。常构成短语be harmful to, 意为“对…有好处”。
Smoking is harmful to health. 吸烟有害健康。
Freezing weather is harmful to orange trees. 冰冻天气对橙子树有害。
【拓展】：
harmful的名词形式为harm, 意为“损害，伤害”，
do harm to=be harmful to 意为“对…有害”
例如：He did me no harm. 他没有伤害我。
The waste and poison may do great harm to the things around us.
这些废弃物和毒物可能会对我们周围的东西造成极大的危害。
【即学即练】
Too many cars are _______ to the environment, so we’d better take the bus more.
A. useful B. harmful C. helpful D. meaningful
Key: B
9. produce (to make things to be sold, especially in large quantities) 动词,意为“产生；生产”。
produce与make
produce
可以通过制造而获得产品；也可以通过种植而获得产品，如生产粮食，蔬菜等
make
作“制造”讲时，一般可以和produce互换，但不能表示通过种植而获得产品
They produce wheat and rice. 他们生产小麦和稻米。
The factory produces/makes cars. 这个工厂制造汽车。
【即学即练】
1.Daily practice is the trick(诀窍) in learning a foreign language.
A. Often B. Useful C. Everyday
2.This factory produces different kinds of machines.
A. sells B. has C. makes
Keys: 1. C 2. C
10. I know trees also make our lives more convenient
convenient 形容词，意为“方便的”，其主语不能时表示人的词，常用于句型It’s convenient for sb. to do sth., 意为“对于某人来说做某事是方便的”。
It’s convenient for us to go to work by bike. 我们骑自行车上班很方便。
名词形式是convenience, 既可作可数名词，意为“便利的设施”，也可作不可数名词，意为“方便；便利”
The house has all the modern conveniences. 这所房子配有各种现代化便利设施。
I keep my books near my desk for convenience. 为了方便，我把书放在书桌旁。
【即学即练】
It is _______ for people to use mobike.
Key: convenient
11．Look around this room.
look around 意为“环顾四周；到处查看”
【拓展】与look相关的其他短语
look at 看着 look like 看起来像
look after 照顾；照看 look out 小心；当心；留神
look up 查找；抬头看 look forward to 期待；期盼
【即学即练】
1. We should ______ before we cross the road.
A. look for B. look after C. look around D. look at
2. He ________ carefully for possible danger.
A. looks around B. looks at C. looks for
Keys: 1. C 2. A
12. Many of the things in our daily lives come from trees.
come from=be from 意为“来自”
【即学即练】
这盒巧克力是从哪里来的？
Where does the box of chocolate ________ _________?
Key: come from
13. For example, paper and pencils.
for example 意为“例如”，用来举例说明。
【即学即练】
1.商店里有各种的水果，例如梨，西瓜，葡萄。
There are different kinds of fruits in the shop, _______ ________pears, watermelons and grapes.
2.Vienna is famous for having many great musicians. ________, John Strauss the younger wrote hundreds of wonderful pieces of music there.
A. In fact B. For example C.As a result D. In my opinion
Key: 1. for example 2. B
14. A lot of the furniture is made of wood.
furniture 不可数名词，意为“家具”，可以用much, little, a lot of等修饰。
a piece of furniture一件家具
例如: There is little furniture in his room. 他的房间里几乎没有家具。
be made of 意为“由…制成”
例如: The cup is made of glass. 这个杯子是由玻璃制成的。
The desk in our classroom is made of wood.
我们教室里的课桌式由木头制成的。
These chopsticks are made of bamboo. 这些筷子是由竹子制成的。
Wine is made from grapes. 葡萄酒是用葡萄做成的。
【辨析】 be made of 与 be made from
of + 材料（可以看出原材料）
成品+be made
from + 材料（看不出原材料）
【即学即练】
1. 这些美丽的花朵是由纸制成的。
These beautiful flowers______ ______ _______paper.
2. Your gloves should be made ________ leather, for they feel soft and smooth.
A. in B. on C. for D. of
Key: 1. is made of; 2. D
15. I can’t imagine a world without trees.
imagine(to have a picture of sth. in your mind)动词，意为“想象；设想”。
其后可以接名词，代词，动词-ing形式及宾语从句。
例如: Did you imagine becoming a pilot? 你 想象过成为一名飞行员吗？
I can’t imagine what will happen next. 我想象不出来接下来将会发生什么。
【即学即练】
When I was a child, I often imagined ________ in the sky.
A. fly B. flies C. flew D. flying
Key: D
16. But we cut down millions of trees every year.
cut down 意为“砍倒；砍伐”动词+副词 构成的短语
名词作宾语时，既可以放在动词和副词之间，又可放于副词后；
代词作宾语时，须放在动词和副词之间。
例如: He cut a tree down yesterday.=He cut down a tree yesterday.
昨天他砍了一棵树。
Why did you cut it down? 你为什么把她砍倒呢？
millions of 意为“大量的；数以百万计的”后接可数名词复数
billion, million, thousand, hundred, dozen等词前面有具体数字修饰时，要用单数形式；当前面没有具体的数字修饰时，需在其后加+s, 并和of 连用。
例如: The population of our city is about two million. 我们市大约有两百万人口。
Thousands of people come to visit the famous place every year.
每年成千上万的人来参观这个著名的地方。
【即学即练】
1.When I was running in the park, I saw some people _____ the old trees.
A. sitting down B. cutting down C. getting down D. putting down
2. Every night ______ people come to enjoy the lightshow in Zhujiang New Town.
A. thousands B. thousands of C. thousand D. thousand of
3.(中考链接)Nowadays, ______ farmers leave their hometown to search for work in the cities.
A. million of B. two millions C. millions of D. two millions of
Key：1. B 2. B 3. C
17. however
副词，意为“然而；不过”，可以位于句首，句中和句末。
【辨析】 however 与 but
however
副词，必须用逗号与其他成分隔开，表示补充
but
连词，其后一般不使用逗号，表示转折
例如：My father knows that it is not good to smoke. However, he can’t give up smoking. 我父亲知道吸烟不行。然而，他却戒不了。
I called you, but you did not answer. 我给你打过电话，但你没有接。
【即学即练】
Tim likes sports. _______, her wife doesn’t.
A.But B. However C. So D. Or
Key: B
18. She can skate at a very high speed because she practises a lot.
①practise vt. 意为“训练，练习”。宾语可接名词，代词，动名词。
practice doing sth 意为“练习做某事”
如：It's very important to practise listening. 练习听力是非常重要的。
②practise vi. 如：Don' t forget to practise after class. 课后别忘了练习。
③practise的名词是 practice不可数名词。通常指经常性或系统性的重复练习。
如：Practice makes perfect. 是一句谚语，意思是“熟能生巧”。
在英式英语中practice只有名词词性；而美语中既可作动词亦可作名词。
【即学即练】
1. Bruce practices ________ basketball every day so that he can be a better player.
A. play B.to play C. playing
2. --- Jane’s spoken English is pretty good.
--- Yeah, she works hard and practices _______ it both in and out of class.
A. spoke B. to spoke C. speaking D. to speaking
Keys: 1. C 2. C
19. …but the speaker did not stop speaking until twenty past twelve.（page52）
not…..until 意为：直到…..才…..。主语的动词一般为非延续性动词，它所表示的动作直到 until所表示的时间才发生。
如：We won’t see any flowers until May.
until 连词，意为:直到…..时。用于肯定句，主句的动词一般为延续性动词。
如：He waits until the children are asleep.
I shall stay here until twelve o’clock.
【即学即练】
1. We ______ leave the office _______ the heavy rain stops.
2. Our Chinese teacher didn’t go to bed _______ he finished his work last night.
A. if B. until C. since D. because
Keys: 1. didn’t until 2. B
20. another worker
another
指三者或三者以上中的“另一个”one…another…
I don’t like this one. Please show me another.
other
Adj.其他的，其余的，常用复数形式
Ask some other people.
the other
两者中“另一个”，one··the other··一个··另一个
He has two daughters. One is a nurse, the other is a worker.
others
其他的人或物,常用于some…others…
There are no others. 没有别的了。
the others
其余的人或物，表示一个范围内其他全部
Two boys will go to the zoo, and the others will stay at home.
例如:
1. ---Would you like another apple? 你想再要一个苹果吗？
---No, thanks. I’m full. 不，谢谢。我饱了。
2. I don’t like this one. Please show me another. 我不喜欢这个.请给我看另一个.
3. Let me give you another example. 我再给你举个例子吧。
4. We have Chinese, Maths, English and other lessons at school.
我们在学校上语文，数学，英语和其他课。
5. He has a book in one hand and a pen in the other.
他一只手拿着一本书，另一只手拿着一支钢笔。
6. Some of us like singing and dancing, others go in for sports.
我们中的一些人喜欢唱歌和跳舞，其他人喜欢体育活动。
【即学即练】
1. Would you like _____ cup of coffee?
A. other B. the other C. another D. others
2.I don’t understand what you said. Would you please give me ______example?
A. another B. other C. others
Keys: 1. C 2. A
21. It covers five and a half million square kilometers of the Amazon Basin and spreads across nine countries.（page54）
【辨析】carry， take，bring
carry
搬，扛 不论移动的方向
The mother carries her baby in her arms。
bring
带来，带走 以说话人为中心，
把某物带到说话人身边
They’re going to bring some gifts for us on Christmas.
take
以说话人为中心，把某物带到远处
Please take these books to the library for me.
（1）①cover v. 覆盖，遮盖；
cover…with 用···把··盖上； be covered with… 被….覆盖着。
如：The road is usually covered with snow in winter
②cover 可数名词，意为：覆盖物，盖子，封面
如：The new book needs a new cover.
(2) 区别：across， cross，through， over
across
介词，在空间内从一端到另一端，或是十字交叉穿过．
(过河，过桥，过马路）
cross
动词，含义同上
through
介词。穿过，通过。动作是立体空间进行，
穿过沙漠，森林，窗户
over
动词，则是对于位置的高低而言，强调＂翻越＂．
穿越高的障碍物，
如篱笆，栅栏，山脉
【即学即练】
This is a dangerous area, so don’t c________ too much cash(现金) on you.
Key：carry
22.Many living things lose their homes because of deforestation.（page54）
许多生物因为森林砍伐失去家园。
(1) 【辨析】living, alive, live, lively
living
n.生物
all living things——所有生物
adj.活着的、有生命的，主要用于
作前置定语及冠词the之后，表示一类人
the living——活着的人们
alive
活着的、有活力的
The fish is still alive/living.
live
[laiv]
“活的”“有生命的”“活生生的”，
主要用来说鸟或其他动物
a live fish——一条活鱼；
a live tiger——一只活老虎
实况的、现场直播的
a live report——现场报道
lively
活泼的、有生气的、生动的
a lively child——活泼的孩子
a lively discussion——热烈的讨论
(2) because of…=as a result of…
意为“因为；由于”其后接名词，代词或动词-ing形式，不能接句子。
【即学即练】
Tim bought the book _______ its beautiful cover.
A. because B. as C. because of D. instead of
Key: C
23.As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing.（page54）
the number of
···的数量，后接复数名词，
谓语动词要用单数，其表语通常是数字，但也可以是large/small.
The number of the students in our class is 45.
a number of
大量，许多=many，后接复数名词，谓语动词要用复数
A number of students are playing football.
【即学即练】
1. ---How many women doctors are there in your hospital?
---The number of them _______ over twenty.
A. are B. were C. is D. was
2. In our city there ______ a number of cars and the number of them _______ growing larger and larger.
A. are; is B. have; is C. is; are
Key: 1. C 2. A
24.We must do our best to protect the Amazon rainforest.
(1) do one’s best to do sth=try one’s best to do sth 意为“尽最大努力去做某事”
例如：We should do our best to fight against air pollution.
我们应该尽最大努力来抵制空气污染。
(2) protect 动词，意为“保护；防护”
常用搭配：protect…from/against…“保护…免遭…”
例如: He was wearing dark glasses to protect his eyes from the sun.
他戴着墨镜以保护眼睛不受阳光的刺激。
Parents try to protect their children against danger as far as possible.
父母都尽力保护他们的孩子远离危险。
【即学即练】
1. They will do their best _______ the work on time.
A. finish B. finishes C. finishing D. to finish
2.雨伞能为我们遮阳和挡雨。
An umbrella can ______ us ________ strong sunlight and rain.
Keys:1. D ; 2. protect from/against
25.Tea is the most popular drink in the world besides water.(page55)
茶是世界上除了水之外最受欢迎的饮料。
besides
“除了……之外”（还有）
相当于“加上”；
Besides his wife，his daughter also went to see him．
except
除了之外（没有）…
相当于“减去”；
I go to school every day except [but] Sunday．
but
介词，除了。只能和不定代词如nothing，all，anything， no one，anyone等连用。
Nobody knows the truth but Tom.
【即学即练】
______ running after success, we have a lot of other interesting things to do in our lives.
A. By B. On C. Besides
Key: C
综合练习
一、单项选择。
i.从下面每小题的A，B，C三个选项中选出可以替换划线部分的最佳选项。
( ) 1. Most students of our class are against the plan.
A. don’t agree to B. don’t believe C. don’t know
( ) 2. John wants to discuss the plan with his friends.
A. talks about B. takes part in C. give up
( ) 3. My foreign teacher comes from America.
A. would B. is from C. grows up
( ) 4. Drinking water is good for your health.
A. is helpful for B. is famous for C. is bad for
( ) 5. I’d like to stand on the top of the mountain and take in some fresh air.
A. drink B. make C. breathe
( ) 6. --- The factory can produce a lot of interesting toys.
--- Yeah. My father often buys nice toys for me in it.
A. make B. find C. throw
( ) 7. --- What’s the major problem for you to study English?
--- Speaking. I can’t speak English well.
A. dangerous B. main C. difficult
( ) 8. For example, apple is a kind of tasty and healthy fruit.
A. Such as B. In fact C. For instance
ii. 根据句子意思，从下面A，B，C三个选项中选出恰当的词语完成句子。
( ) 9. It’s ______ to live here. There is a shopping mall and a metro station near here.
A. lucky B. convenient C. dangerous
( ) 10. Smoking is ______ to your health.
A. harmful B. interesting C. surprising
( ) 11. He didn’t pass the English exam. I can______ how sad he was.
A. imagine B. practice C. enjoy
( ) 12. --- What happened to your mother?
--- Sorry, dad. I made her _______ just now.
A. angry B. angrily C. anger
( ) 13. These animals are______. We should protect them.
A. in time B. all the way C. in danger
( ) 14. Trees can ______ us ______ fruit. They are very useful and important in our daily lives.
A. protect; with B. provide; with C. provide; for
( ) 15. --- _____ your parents _______ TV now?
--- Yes. They are in the living room.
A. Did; watch B. Will; watch C. Are; watching
二、根据句意及首字母提示完成单词。
1. The supermarket near our house is very c____________. We can buy things at any time.
2. Trees p________ oxygen for us to breathe.
3. Did he f___________ with his friends yesterday?
4. Trees are very important in our lives. Can you i_________ a world without them?
5. The box is so heavy, I can’t c__________ it.
三、用所给词的适当形式填空。
1. There are ___________ (million) of books in Guangzhou Library.
2. Air pollution is ___________ (harm) to our health.
3. Those pictures on the wall are __________ (make) of leaves.
4. After the heavy rain, there are a lot of ________ (branch) on the ground.
5. The students stopped ____________ (discuss) when the teacher came in.
四、完成句子，每空一词。
1. 这张床是由木材制成的。
The bed ______ _______ _______ wood.
2. 我环顾教室，没看到任何人。
I _______ _________the classroom and didn’t see anybody.
3. 事实上，她撒谎了。
_________ __________, she told a lie.
4. 我喜欢做运动，运动对我们有好处。
I like doing sports. It ______ _______ _____ us.
5. 每年数以百万计的游客来广州参观。
________ _________ tourists come to visit Guangzhou every year.
五、汉译英。
1. 医生们尽了他们最大的努力拯救那个女孩。
__________________________________________________________
2. 他们正在把家具搬到客厅吗？
__________________________________________________________
3. 杰克昨晚9点才离开办公室。
__________________________________________________________
4. 那个男孩正在与疾病作斗争。
__________________________________________________________
5. 我们班上男生的人数是二十。
__________________________________________________________
解析：
一．1-5 AABAC 6-10 ABCBA 11-15 AACBC
二．1.convenient 2.produce 3.fight 4.imagine 5.carry
三．1.millions 2.harmful 3.made 4.branches 5.discussing
四．1.is made of 2.looked around 3.In fact 4.is good for 5.Millions of
五．1. The doctors did their best to save the girl.
2. Are they carrying the furniture to the living room?
3. Jack didn’t leave the office until 9:00 yesterday night.
4. The boy is fighting against the disease.
5. The numbers of boys in our class is twenty.
一、词汇：根据汉语或首字母提示写单词，补全句子。
1. In a forest, people can have more ________ (氧气) to breathe.
2. Let's _____________ (讨论)the importance of trees.
3. The __________ (气体) from the paper factory smells very bad.21* *com
4. There are a lot of ________ (家具) in the house.
5. Let’s help save this small tree. It has got a _________ (疾病).
6. The p_______ trees are always green around the year.
7. Some forests are in danger. So people are trying to s_______ them.
8. To have a better living environment, we must fight a ________ pollution.
9. We can't i_______ a world without animals or trees.
10. Look! The girl is putting a tree in a h_________ to plant it.
二、句子：根据汉语提示，补全句子。每空一词。
11.大多数水果来自树木。
Most of the fruits ________ ________trees.
12.那个男孩正在四处张望。
That boy _______ ______ ______.
13.实际上，多年以前这个地方被树覆盖着。
______ ______, this place was covered with trees many years ago.
14.尽管这座轿是木制的，但它依然很牢固。
Though this bridge ______ ______ ______ wood, it's still very strong.
15．那些村民们正尽力地保护着那个小森林。
Those villagers are ________ _______ _______ to protect that small forest.
三、单项选择。
A)从下面每小题的A、B、C、D四个选项中选出可以替代划线部分的最佳选项。
( ) 16. As students, our major task (任务) is to study hard.
A. busy B. great C. interesting D. important
( ) 17. Trees can produce lots of useful things for us.
A. make B. find C. buy D. watch
( ) 18. Computers and mobile phones make our lives more convenient.
A. easier B. richer C. more exciting D. more interesting
( ) 19. The children are discussing what to do to help animals.
A. listening to B. looking at C. thinking of D. talking about
( ) 20. The tall mountains are covered with millions of trees.
A. several B. a few C. a lot D. so many
B)从下面每小题的A、B、C、D四个选项中选出可以填入空白处的最佳选项。
( ) 21. --- How do trees help us? Do you know?
--- For_______ example, they can keep air cool _______clean.
A. an; but B. an; and C. /; but D. /; and
( ) 22. --- Why do trees have very long roots?
--- Because the roots take ___________ enough water for them _________.
21cnj A. in; living B. in; to live C. out; living D. out; to live
( ) 23. --- I'd like ________ something about trees. Can you tell me?21教育名师原创作 --- Sure. They can help ________ in many ways.
A. to know; we B. to know; us C. know; we D. know; us
( ) 24. --- ______ do we have to save trees?
--- Because they are ______ birds and animals.
A. Why; home to B. Why; the home to
C. How: home to D. How; the home to
( ) 25. --- This kind of new car can produce little ______ gases and it is cheap.
--- Sounds good. I'll think about when ______ it.
A. useful; buying B. useful; to buy
C. harmful; buying D. harmful; to buy
( ) 26. --- Wow! There _______ a lot of new desks in the house.
--- Yeah. And they smell _______ because they are wooden (木制的). 21世纪教育 A. is; nice B. is; nicely
C. are; nice D. are; nicely
( ) 27. --- I think drinking too much cola is ________health.
--- I agree. So what kind of drink can keep us ________.
A. good for, health B. bad for; health
C. good for; healthy D. bad for; healthy
( ) 28. --- Look! The old woman ___________ a big bag. She must be tired.
--- I think so. Let's provide her _________ some help.
A. carries; for B. carries, with
C. is carrying; for D. is carrying; with
( ) 29. --- What a nice hill! There are _________trees on it.
--- That's because people have never stopped ________ here.
A. thousand of; planting B. thousand of; to plant
C. thousands of; planting D. thousands of; to plant
( ) 30. --- Look! The farmers________ down trees now.
--- ___________. Why not stop them doing that?
A. cut; Sounds great B. cut; I'm not sure
C. are cutting; It doesn't matter D. are cutting; That's too bad
四．用所给单词的适当形式完成句子。
46. What a tall tree! It has long ________ (branch) and thick leaves.
47. In big cities, air ________ (pollute) is becoming worse than before.
48. We use trees to do a lot of useful things in our_______ (life).
49. He left without _________ (say) any words.
50. Trees can provide better places for animals and birds ______ (live) in.
51. Trees are like _______ (fight). They can keep air cool and clean.
52. Look! The boys are _______ (lie) on the beach and enjoying the sun.
53. The phone is ______ (ring). Please answer it now.
54. It's a fine day ________ about ______ (dig) holes by the lake to plant trees?
55. You can improve (提高) your English by _________ (join) an English club.
五．书面表达。
请你根据下面的内容提示，以The uses of trees为题，写一篇关于树的用途的文章。60词以上，可以适当发挥。（开头已经给出，不计入总词数）
提示：
1．树可以为我们提供很多有用的东西，如水果，药品，木材等；
2．树为人类提供氧气，净化空气，美化环境，有利于生态环境的保护；
3．树可以为动物和鸟类提供家园和足够的食物，保持生态平衡(the balance of nature)；
4．树能够、防止水土流失和减少土地变成沙漠 (desert)。
The uses of trees
For humans, trees have a lot of uses.________________________________________
_____________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
演练方阵答案：
一. (One possible version)
1. oxygen 2. discuss 3. gas 4. furniture 5. disease
6. pine 7. save 8. against 9. imagine 10. hole
二. (One possible version)
11. come from 12. is looking around 13. In fact 14. is made of 15. doing their best
三. 16-20 DAADD 21-25 DBBAD 26-30 CDDCD
四. (One possible version)
46. branches 47. pollution 48. lives 49. saying 50. to live
51. fighters 52. lying 53. ringing 54. digging 55. joining
五. (One possible version)
The uses of trees
For humans, trees have a lot of uses. Trees can provide us with many things, such as fruit, medicine and wood. Trees can produce oxygen for people to breathe, keep air cool and clean. We can make our environment better by protecting trees. Trees are home to animals and birds and provide them with enough food. Trees can help keep the balance of nature. Trees can stop earth moving away with water and make less land become a desert. We can’t imagine a world without trees.
【书面表达写作指导】
本次书面表达要求写关于树的用途的文章。写作时要注意以下几点：
1. 确定时态，应使用一般现在时进行写作；
2. 书写正文时，要围绕文字提示展开内容，不能遗漏要点；
3. 注意正确使用情态动词can；
4. 文章完成之后，要通读全文，检查语法是否正确、要点是否齐全。
一．必记单词
pine n. 松树
produce v. 产生；生产
branch n. 树枝
imagine v. 想象；设想
example n. 例子
dig v. 挖
gas n. 气体
carry v. 般；扛；背
oxygen n. 氧气
harmful adj. 有害的
furniture n.家具
major adj. 主要的
disease n. 疾病
convenient adj. 方便的
hole n. 洞
against prep. 反对
save v. 拯救
discuss v. 讨论
fight v. 与…作斗争
二．常考短语
1. in the importance of… …的重要性
17. be bad for 对…有害
2. know about 了解
18. with the help of 在…帮助下
3. fight against 与…作斗争
19. on holiday 在度假
4. provide sb. with sth. 为某人提供某物
20. at the beach 在海滩上
5. in our daily lives 在我们的日常生活中
21. on the phone 在打电话中
6. in many ways 在许多方面
22. at a…speed 以…的速度
7. take in 吸收
23. not…until… 直到…才…
8. come from 来自
24. (be) good for 对…有用
9. for example 例如
25. dig holes 挖洞
10. in fact （补充细节）确切地说
26. thousands of 成千上万的
11. get…from… 从…得到…
27. because of 因为
12. look around 环顾四周
28. as a result 结果
13. (be) made of… 由…制成
29. the number of… …的数量
14. cut down 砍倒
30. do one’s best to do sth. 尽某人最大的努力去做某事
15. millions of 大量的；数以百万计的
31. acording to 根据；按照
16. stop doing sth. 停止做某事
32. such as 例如
学生易错点整理：
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