【期中单元检测】（牛津上海版）2023-2024学年九年级英语上册Unit3检测卷（提升卷）

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Unit3 Pets 【单元测试·提升卷】
学校:___________姓名：___________班级：___________考号：___________

一、单项选择
1．All Grade 8 students are busy preparing for their history exam at ________ moment.
A．a B．an C．the D．/
【答案】C
【详解】句意：此刻所有八年级的学生都在忙着准备他们的历史考试。
考查冠词。a表示泛指，修饰以辅音音素开头的词，“一个”；an表示泛指，修饰以元音音素开头的词，“一个”；the表示特指，“这，那”；/不填。根据“All Grade 8 students are busy preparing for their history exam at...moment”可知空处考查at the moment搭配，意为“此刻”。 故选C。
2．_________ great fun it is to have a five-day holiday on May Day!
A．How B．What C．What a D．What an
【答案】B
【详解】句意：五一节放假五天是多么有趣啊！
考查感叹句。句子是感叹句，中心词是不可数名词fun，用感叹句结构：What+形容词+不可数名词+主谓。故选B。
3．You ________ worry too much about your lessons. Rest a few days, and we will help you.
A．needn’t B．couldn’t C．can’t D．mustn’t
【答案】A
【详解】句意：你不必太担心你的功课。休息几天，我们会帮你的。
考查情态动词用法。needn’t 不需要；couldn’t不能；can’t不能；mustn’t禁止。根据题意可知，此处表达“你不需要太担心……”。故选A。
4．Linda, may I know________ you will visit your grandparents?
A．what B．when C．how D．who
【答案】B
【详解】句意：琳达，我可以知道你什么时候去看望你的祖父母吗？
考查疑问词辨析。what什么，用于提问物；when什么时候，用于提问时间状语； how如何、怎样，用于提问方式状语；who谁，用于提问人。此处应填状语，故用when提问作时间状语。故选B。
5．What a fine day! I suggest ________ kites in the Century Park after lunch.
A．flying B．flew C．fly D．to fly
【答案】A
【详解】句意：多好的天气啊！我建议午饭后去世纪公园放风筝。
考查非谓语动词。根据suggest doing sth.“建议做某事”可知，此处应用动名词作宾语。故选A。
6．Deborah asked what was happening, but ________ answered. We were all silent.
A．everybody B．nobody C．somebody D．anybody
【答案】B
【详解】句意：Deborah问发生了什么事，但是没有人回答。我们都沉默了。
考查不定代词辨析。everybody每个人；anybody任何人，用于否定句或疑问句；nobody没有人，本身表否定；somebody某人，用于肯定句中。由“We were all silent”可知前面要表达无人回答。故选B。
7．After his father’s ________ a few years ago, his mother looked after him by herself.
A．died B．dead C．death D．has been dead
【答案】C
【详解】句意：几年前他父亲去世后，他母亲独自照顾他。
考查词义辨析。died死亡，动词；dead死的、去世的，形容词；death死亡，名词；has been death已经死了的，现在完成时。根据从句“After his father’s...”可知，“’s所有格”形式后接名词形式death，表示“在他父亲去世后”。故选C。
8．—I didn’t catch you just now. Would you please __________ your question?
—OK. What’s your e-mail address?
A．repeat B．raise C．review D．answer
【答案】A
【详解】句意：我刚才没听懂你的话。你能重复一下你的问题吗？——好的。你的电子邮件地址是什么？
考查动词词义辨析。repeat重复；raise提升；review复习；answer回答。根据“I didn’t catch you just now.”可知，此处是让对方再重复一下他的问题。故选A。
9．Don’t be too strict with him. ________, he tried his best. Nobody wants to lose the game.
A．As a result B．In that case C．After all D．For example
【答案】C
【详解】句意：不要对他太严厉。毕竟，他已经尽力了。没有人想输掉比赛。
考查短语辨析。As a result结果是；In that case因此；After all毕竟；For example例如。根据“Don’t be too strict with him. ... , he tried his best.”可知此处讲毕竟他尽力了。故选C。
10．—I’m afraid the journey across Europe will _____.
—You’d better not waste a penny as you just live from hand to mouth.
A．clean me out B．leave me out
C．keep me out D．bring me out
【答案】A
【详解】句意：——恐怕这次穿越欧洲的旅程将花光我所有积蓄。——你最好不要浪费一分钱，因为你只能勉强糊口。
考查动词短语辨析。clean me out把我积蓄花光；leave me out把我排除在外；keep me out不让我进去；bring me out带我出去。根据“You’d better not waste a penny as you just live from hand to mouth.”可知，空处提到了旅行会花光所有积蓄，故选A。

二、短文选词填空
Complete the following passage with the words in the box. Each can only be used once（将下列单词填入空格。每空格限填一词，每词只能填一次）
A．simple  B．agree  C． set out  D．faithfully  E. decision
Dog owners have a certain feeling, almost a secret language that says “I understand how much you love this animal, and I know that it will break your heart when you lose them.”
Over the years, friends had warned me that the 11 to let a beloved pet go was the most difficult one they had ever made. At the time, I would nod and 12 and move on with my day. As my dog got older, however, this reality neared for me.
Years ago, we got a call from a friend that their dog needed a home. The dog’s needs were 13 : It must go to a house with kids, where it will be the only pet and loved 14 . We moved ahead with the adoption and never looked back.
A．everywhere  B．respect  C． last  D．changed  E. left
We called her Coco. She joined an active family, and her life 15 in an instant. She may have wanted to go home during her first like, but she soon became an adventure buddy.
I think she was the happiest when spending time with our children when she joined the family. Coco went 16 with us. When friends teased（取笑）us that we treated Coco as a human child, we’d reply that she was sometimes the best-behaved child.
As Coco aged, she walked less and ate less. After a weekend of seeing her struggling to breathe, we knew it was time to visit the vet. Nothing lives forever. That 17 weekend was so hard on all of us, trying to thank this sweet dog for 15 years of companionship and love. She 18 the world where she had lived: loving us and being loved right back.

【答案】11．E 12．B 13．A 14．D 15．D 16．A 17．C 18．E

【分析】短文主要讲述了作者和他的宠物狗之间的故事。
11．句意：多年来，朋友们警告我，让心爱的宠物离开是他们做过的最困难的决定。空处的词在定冠词the之后，应是名词；根据空后“the most difficult one they had ever made.”可知，空处应是decision“决定”，名词。故选E。
12．句意：那时，我会点头同意，继续我的一天。根据下句“As my dog got older, however, this reality neared for me.”可知，应是会点头同意朋友的观点。故空处应是agree“同意”，动词；空处的词是和nod并列的词，用于would之后，应用动词原形。故选B。
13．句意：狗的需求很简单：它必须和孩子们一起去一所房子，在那里它将是唯一的宠物，并被忠实地爱着。根据下文“It must go to a house with kids, where it will be the only pet and loved….”可推知，应是狗的需求很简单，故空处应是simple“简单的”，形容词。故选A。
14．句意：狗的需求很简单：它必须和孩子们一起去一所房子，在那里它将是唯一的宠物，并被忠实地爱着。根据句意，空处的词是修饰动词，应用副词；结合选项可知，空处应是faithfully“忠实地”，副词。故选D。
15．句意：她加入了一个活跃的家庭，她的生活瞬间改变了。根据句子结构可知，空处是谓语动词；根据后句“She may have wanted to go home during her first like, but she soon became an adventure buddy.”的语境可知，应是她的生活瞬间改变了，故空处应是changed“改变”，动词change的过去式。故选D。
16．句意：Coco和我们一起到处走。空处的词在动词went之后，应是副词；根据下文“When friends teased（取笑）us that we treated Coco as a human child, we’d reply that she was sometimes the best-behaved child.”的语境可知，空处应是everywhere“到处”，副词。故选A。
17．句意：那个最后的周末对我们所有人来说都是如此艰难，我们试图感谢这只可爱的狗15年的陪伴和爱。根据文中“She…the world where she had lived: loving us and being loved right back.”可知，应是最后的一个周末，故空处应是last“最后的”，形容词。故填C。
18．句意：她离开了她曾经生活过的世界：爱过我们，被爱过。根据前句“That…weekend was so hard on all of us, trying to thank this sweet dog for 15 years of companionship and love.”可知，应是她离开了她曾经生活过的世界，故空处应是left“离开”，动词leave的过去式。故选E。

三、用所给单词的正确形式填空
19．She was praised for （save）the life of the child.
【答案】saving
【详解】句意：她因为救了这个孩子的命而被表扬。此处作介词for的宾语，应该用动名词形式。save意为“拯救”，是动词，其动名词形式为saving，故填saving。
20．It is so (noise) that everyone had to shout.
【答案】noisy
【详解】句意：太吵了，每个人都不得不大声喊叫。空格处作表语，应用形容词，so+形容词+that+句子，意为“如此……以至于……”，noise“噪音，噪声”，名词，其形容词是noisy“吵闹的，嘈杂的”，故填noisy。
21．The noisy music made the old couple feel .(happy)
【答案】unhappy
【详解】句意：嘈杂的音乐使这对老夫妇感到不快乐。feel后接形容词作表语，根据“The noisy music made the old couple feel”可知，嘈杂的声音让他们不开心，unhappy“不开心的”，故填unhappy。
22．Would you like to go to the new art museum with me? I hear there are a few (value) ancient paintings in it.

【答案】valuable
【详解】句意：你愿意和我一起去那个新的美术馆吗？我听说里面有很多有价值的古老的画。value价值，是一个名词。根据句子结构可知，这里应填形容词形式，修饰后面的名词paintings，故应填valuable，有价值的。
23．In this task, thinking is necessary as well as team work among the group.(depend)
【答案】independent
【详解】句意：在这个任务中，独立思考和团队合作是必要的。此空缺少形容词修饰名词thinking，independent：独立的，故填independent。
24．Chinese food is becoming so international that (east) diet is a hot topic among tourists across the world.
【答案】eastern
【详解】句意：中国食物变得如此国际化，以至于东方饮食在世界各地的游客中成为一个热门话题。此空修饰名词diet，要用形容词作定语，east的形容词是eastern“东方的”，故填eastern。
25．He has been _________ (die) for two years. We still miss him.
【答案】dead
【详解】句意：他已经死了两年了。我们仍然想念他。根据“been”可知，此空需要一个形容词，结合英文提示，dead符合句意。故填dead。
26．It was a (success) party. Everyone had a good time.
【答案】successful
【详解】句意：这是一个成功的聚会。每个人都玩得很开心。根据“party”可知，此空需要一个形容词作定语，结合英文提示，successful符合句意。故填successful。

四、句型转换
Rewrite the following sentences as required (根据所给要求，改写下列句子。1-7题，每空格限填一词)：
27．Our country is thinking of ways to protect the farmland.  (改为一般疑问句)
_________ _________country thinking of ways to protect the farmland?
28．Jane hardly has time for a cup of tea during lunch hours at school.  (改为反意疑问句)
Jane hardly has time for a cup of tea during lunch hours at school, _________ _________?
29．Joanna’s flight from Shanghai to New York will take off in an hour. (对划线部分提问)
_________ _________ will Joanna’s flight from Shanghai to New York take off?
30．Be careful, a car’s coming! Get out of the way.  (保持句意基本不变)
_________ _________, a car’s coming! Get out of the way.
31．Please tell me where we can buy the tickets for the concert this weekend.  (改为简单句)
Please tell me _________ _________ buy the tickets for the concert this weekend.
32．Teachers have given girls the same opportunities as boys in our school.  (改为被动语态)
Girlshave _________ _________the same opportunities as boys in our school.
33．to,  really,  in winter,  play with,  it’s,  wonderful,  snow  (连词成句)
_________________________________________________________________________.

【答案】27．Is your/our 28．has/does she 29．How soon 30．Look out 31．where to 32．been given 33．It’s really wonderful to play with snow in winter. / In winter it’s really wonderful to play with snow.

【分析】试题分析：
27．根据要求改一般疑问句可直接把is直接提前，所以是Is your/our。
28．根据要求陈述句中有hardly，所以附加问句中要用肯定形式，故填has/does she。
29．根据要求划线部分是问多久以后，所以用How soon提问。
30．根据要求Be careful的同义词组是Look out。
31．根据要求此题改为简单句应把宾语从句改为疑问词+动词不定式结构，所以填where to。
32．根据所给要求此题改为被动语态此空应填been given。
33．根据要求此句可连接为：It’s really wonderful to play with snow in winter. / In winter it’s really wonderful to play with snow.
考点：句型转换

五、阅读单选
For most owners, the thought of losing their beloved pets is unimaginable. Here are four posters of lost pets.
LOST DOG
Our beloved pet “Susie” has been missing for about a week from Rose Garden area.
Susie is a large girl dog, white in colour, with medium length hair. She was wearing a collar.
Please contact: Ron Jones 57644653 or 15047982463
LOST PET SPIDER
Just like the picture I drew.
Name: Conrad
Last Seen: my bedroom,three days ago
Though sometimes it may make people scream(尖叫), Conrad is, in fact, a very friendly little spider. He likes to sit on your shoulder and play hide-and-seek.
If you see him, please be careful not to squish(压坏)him. If he’s at your place, please contact me at 14607685250.
LOST BIRD
Bambi
Yellow and black parrot
Missing since
Wednesday, December 23
Likes to sing “Our Beautiful World” song
If you see her, please call 47325891 or email DennyHu@123. com.
LOST CAT
Jerry, black and grey, male
MISSING ONE MONTH!
Weara black collar
Not very friendly
Probably get into your house. If you see him, please feed some food and call Sam Chen at 1335784620.
$20 REWARD!
34．________ hasn’t been seen for about one week.
A．A pet dog B．A pet bird C．A pet spider D．A pet cat
35．If you help find the pet cat, you’ll ________ from the owner.
A．get a black collar B．get some money
C．get some food D．get an invitation to the house
36．________ lost a yellow and black parrot.
A．Sam Chen B．Conrad C．Denny Hu D．Bambi
37．The pet spider may do the following things except ________.
A．sitting on your shoulder B．playing hide-and-seek
C．making some people scream D．biting people suddenly
38．The purpose of the four posters is to ________.
A．find the owners’ lost pets B．advise people to raise pets
C．tell people the clues of lost pets D．tell people the disadvantages of raising pets

【答案】34．A 35．B 36．C 37．D 38．A

【导语】本文给出了四张寻找失踪宠物的海报。
34．细节理解题。根据第一个表格“Our beloved pet ‘Susie’ has been missing for about a week from Rose Garden area.”可知，狗狗Susie丢了大约一周，故选A。
35．细节理解题。根据第四个表格“$20 REWARD!”可知，主人愿意付出20美元作为找回猫的报答，故选B。
36．细节理解题。根据第三个表格“Yellow and black parrot”和“If you see her, please call 47325891 or email DennyHu@123. com.”可知，鹦鹉的主人是Denny Hu，故选C。
37．推理判断题。根据第二个表格“Conrad is, in fact, a very friendly little spider.”可知，蜘蛛Conrad很友好而且很小，由此推出它不会突然咬人，故选D。
38．主旨大意题。根据“Here are four posters of lost pets.”及全文内容可知，四张丢失宠物的海报是为了帮主人找回宠物。故选A。

六、完形填空
Choose the best answer and complete the passage（选择最恰当的选项完成短文）
Teen faints after skipping meals
A teenage girl fainted yesterday at Stonechester High School after skipping meals.
Jennifer Jones, 15, told friends in her class that she was feeling unwell. She then passed out in her morning PE lesson and was rushed to hospital.
Jennifer was found to have dangerously low blood sugar levels and was treated immediately. Her worried parents told the doctor that their daughter missed breakfast that day and 39 touched her dinner the night before. Fortunately, she is now out of danger. Her doctor says that she will make a full recovery in a day or two.
Jennifer’s classmates hope to see her back at school soon. They say that she has struggled with eating problems for a long time. “Jennifer thought that skipping meals would be a simple way to reach her target weight,” her friend Laura Williams told our reporter. “She has not eaten breakfast for the last few months. She told me she had trouble concentrating in class. I 40 her that skipping meals was unhealthy, but she wouldn’t listen.”
Jennifer’s case is a reminder of the 41 of the unhealthy weight-loss habits that have become common among teenagers of both sexes. In a society where being thin is often seen as being beautiful, teenagers sometimes turn to extreme methods to slim down quickly. According to a recent survey of senior high school students’ lifestyles, almost one fifth of teenagers regularly skip meals, one in ten over-exercise and four per cent even take weight-loss medicine. Health experts are 42 these figures. They are increasing their efforts to educate teenagers about the side effects of losing weight too quickly. They have also warned them against using such extreme methods.
“These so-called ‘quick-fix methods’ 43 to be harmful to teenagers. It is normal for teenagers to be slightly overweight and there is no reason why they should be worried. However, for those who are dangerously overweight, it is very important that they try to lose weight properly,” said an expert.
She pointed out that it is important to have a healthy balanced diet since teenagers are still growing and their bodies need a lot of nutrition to function well. If they do not take in enough food, they may feel weak and get ill easily. She added, “ 44 , they should keep regular hours and get plenty of exercise to stay energetic and fit. We strongly encourage all teenagers to follow these lifestyle tips, because living well is the safest and most effective way to get into shape.”

39．A．nearly B．hardly C．eagerly D．quickly
40．A．advised B．comforted C．warned D．suggested
41．A．dangers B．importance C．advantages D．benefits
42．A．proud of B．satisfied with C．worried about D．interested in
43．A．prove B．promise C．provide D．produce
44．A．However B．Instead C．What’s more D．On the other hand

【答案】39．B 40．C 41．A 42．C 43．A 44．C

【导语】本文介绍高中生詹妮弗·琼斯在不吃饭后晕倒了，由此案例引出青少年的健康问题。
39．句意：忧心忡忡的父母告诉医生，他们的女儿那天没吃早饭，前一天晚上也几乎没吃晚饭。
nearly几乎；hardly几乎不；eagerly急切地；quickly迅速地。根据“Her worried parents told the doctor that their daughter missed breakfast that day and...touched her dinner the night before.”可知，詹妮弗当天没吃早饭，前一天晚上也几乎没吃，所以晕倒了。故选B。
40．句意：我警告过她不吃饭是不健康的，但她不听。
advised建议；comforted宽慰；warned警告；suggested建议。根据“I...her that skipping meals was unhealthy, but she wouldn’t listen.”可知，警告过詹妮弗不吃饭是不健康的，故选C。
41．句意：詹妮弗的案例提醒人们，不健康的减肥习惯的危险，这种习惯在青少年男女中都很普遍。
dangers危险；importance重要性；advantages优势；benefits利益。根据“Jennifer’s case is a reminder of the...of the unhealthy weight-loss habits that have become common among teenagers of both sexes.”可知，詹妮弗的案例提醒人们不健康的减肥习惯的危害，故选A。
42．句意：健康专家对这些数字感到担忧。
proud of为……感到骄傲；satisfied with对……满意；worried about担心；interested in对……感兴趣。根据“According to a recent survey of senior high school students’ lifestyles, almost one fifth of teenagers regularly skip meals, one in ten over-exercise and four per cent even take weight-loss medicine. Health experts are...these figures.”可知，近五分之一的青少年经常不吃饭，十分之一的青少年过度运动，4%的人甚至服用减肥药。健康专家对这些数字感到担忧，故选C。
43．句意：这些所谓的“快速方法”被证明对青少年有害。
prove证明；promise承诺；provide提供；produce生产。根据“These so-called ‘quick-fix methods’...to be harmful to teenagers.”可知，这些所谓的“快速方法”被证明对青少年有害。故选A。
44．句意：另外，他们应该保持规律的时间和充足的锻炼，以保持精力充沛和健康。
However然而；Instead而不是；What’s more而且，另外；On the other hand另一方面。联系上下文可知，给出一些与健康相关的建议，故选C。

七、短文首字母填空
Fill in the blanks with proper words（在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给）
Many people are familiar with the story of the Titanic because of the popular film of the same name. The ship hit an iceberg(冰山) and sank on its only voyage(航行) in 1912. It was one of the great d 45 of the 20th century. We can never be completely sure of the numbers, but people agree that about 2,200 people were on the ship at that time. However, there were not e 46 lifeboats for everyone, and only around 700 people survived. Of course, the film Titanic was very successful, yet we should always find out what is fiction(虚构) and what is reality.
We should realize that most of the action in the film never a 47 happened. For example, the story of Jack and Rose, the young man and woman who fall in love, is complete fiction. They are not real people and their story may not be true at all.
At the same time, some of the c 48 in the film were based on real people, but the film changes the truth about them. For example, Molly Brown was a real p 49 on the ship. In the film, Brown is on a lifeboat and asks the lifeboat captain if they should go back to look for people in the water. When the lifeboat captain refuses to go back, she says nothing. In real life, Molly Brown fought with the lifeboat captain, turned the lifeboat around, and tried her best to s 50 others. Although she is quiet in the film, she was really a hero to many people in real life.
A 51 real-life person in the film is First Officer William Murdoch. The film shows that he shot other people before he killed himself. In real life, however, many people agree that he died because he tried to get a lifeboat into the water so that more people could have a chance to survive.


【答案】45．(d)isasters 46．(e)nough 47．(a)ctually 48．(c)ontents 49．(p)erson 50．(s)ave 51．(A)nother

【导语】本文主要讲述了曾经轰动一世的泰坦尼克的故事，改编成电影之后其中的部分细节是由真实人物改编的，本文详细地介绍了其中两位真实的人物。
45．句意：这是20世纪最大的灾难之一。根据“We can never be completely sure of the numbers, but people agree that about 2,200 people were on the ship at that time”及首字母可知，这是一个巨大的灾难，disaster“灾难”，one of+复数名词，故填(d)isasters。
46．句意：然而，没有足够的救生艇来容纳每个人，只有大约700人幸存下来。根据“and only around 700 people survived”可知，没有足够的救生艇，所以只有大约700人幸存下来，enough“足够的”，故填(e)nough。
47．句意：我们应该意识到，电影中的大部分内容都没有真正发生过。此空修饰动词happened，应填副词。结合“is complete fiction”可知，大部分内容都没有真正地发生过，actually“真实地”，故填(a)ctually。
48．句意：同时，电影中的一些内容是基于真实的人，但电影改变了他们的真相。根据“some of the …in the film”及首字母可知，此处指电影中的一些内容，content“内容”，根据some可知，此空应填复数形式，故填(c)ontents。
49．句意：例如，莫莉·布朗是船上的一个真实的人物。根据“real-life person in the film is First Officer William Murdoch”可知，她是一个真实存在的人，person“人”，故填(p)erson。
50．句意：尽她最大的努力去救别人。根据“Molly Brown fought with the lifeboat captain, turned the lifeboat around”可知，和救生艇船长搏斗，把救生艇调转了方向，救了其他人，save“拯救”，动词不定式符号to后接动词原形，故填(s)ave。
51．句意：影片中的另一个真实人物是大副威廉·默多克。根据“For example, Molly Brown was a real …on the ship”可知，此处提到另一个真实的人物，another“另一个”，故填(A)nother。

八、阅读回答问题
阅读短文，根据短文内容用英语回答问题，每题答案不超过5个单词。
We always think that it is OK to leave our plants unattended (无人照料的) during our vacation since we believe that they will survive just fine. After all, plants won’t make noise like pets, so they must be okay. Well, a recent study has found a different answer. A group of scientists from the Tel Aviv University have discovered that some plants scream in a high frequency when they “think” they are in danger.
Scientists did the research on tomato plants by cutting their stems and depriving (剥夺) them of water. A microphone was put 10 cm away from the plants to collect their sound. When the scientists started cutting the stems, the plants began screaming between 20 and 100 kilohertz, which the scientists believe was to warn other plants nearby. When the tomato plants’ stems were cut, 25 ultrasonic sounds were recorded in an hour. When they did not receive enough water, the microphone got even more: 35 times in an hour.
For the first time in history, scientists seem to have evidence that, like animals, plants can make noise in face of difficulty. “People have always believed that plants are silent,” one of the scientists said. “But the truth is that their voices are so high-pitched (高音调的) that we just can’t hear them.”
52．What did scientists do the research on?

53．When would plants make noise according to the passage?

54．What did the scientists put near the plants to collect sound?

55．Why did the plants scream according to the scientists?

56．How do you feel after knowing plants can make noise?


【答案】52．Tomato plants. 53．In face of difficulty. 54．A microphone. 55．Because they are in danger. 56．That sounds interesting.

【导语】本文主要是介绍人们一直认为植物不会发出声音，但最近的研究表明：植物遇到危险时，同样会发出声音，只是声音太高，人类听不到。这听起来非常有趣。
52．根据“Scientists did the research on tomato plants by cutting their stems and depriving (剥夺) them of water.”可知科学家对西红柿进行了研究，故填Tomato plants.
53．根据“For the first time in history, scientists seem to have evidence that, like animals, plants can make noise in face of difficulty.”可知当植物遇到困难时，它们会发出噪音，故填In face of difficulty.
54．根据“A microphone was put 10 cm away from the plants to collect their sound.”可知科学家把传声器放在植物旁边去收集声音，故填A microphone.
55．根据“A group of scientists from the Tel Aviv University have discovered that some plants scream in a high frequency when they “think” they are in danger.”可知当植物认为自己处在危险中时，它们会尖叫，故填Because they are in danger.
56．开放性答案。根据“People have always believed that plants are silent”可知人们一直认为植物不会发出声音，现在知道植物也会发出声音后，我感觉很有趣，故填That sounds interesting.

九、书信作文
57．假定你是李华，现居住在英国，你给宠物中心写封申请信，要求领养一只狗，内容包括：1.养狗原因； 2.养狗计划； 3.表达期待。
注意：1.词数80~100。开头和结尾已为你写好，不计入总词数；   2.短文须包括所给内容信息。可以适当增加细节，以使行文连贯。
Dear Sir,
I am writing to you to ask for keeping a pet dog. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours,
Li Hua
【答案】例文：
Dear Sir,
I am writing to you to ask for keeping a pet dog. Dogs are the best friends of human beings. They are smart and loyal to their masters. Since I am the only child in my family, I want to keep a dog as my companion.
If I have a pet dog, I will take him out for a walk every day. I will help him have a bath every night and buy him the dog food he likes. I will also take him regularly for physical check-ups and vaccinations. I’m sure we’ll have a good time together.
I’m looking forward to your approval.
Yours,
Li Hua
【详解】1. 题干解读：这是一篇书信作文，要求根据所给的要点提示写一封申请信，要求领养一只狗；注意要点齐全，可以适当发挥。
2. 写作指导：本文应该用第一人称，一般现在时和一般将来时为主来行文；可分为三段：第一段讲养狗的原因；第二段讲具体的养狗计划；第三段以期待得到同意结尾。在介绍内容时，力求语言准确，内容完整，保证行文连贯，条理清晰。