英语九年级下册Task精品ppt课件

设计说明

通过对前期所学的伟人的描述让学生快速回顾，同时导入本课所要介绍的人物袁隆平。要求学生带着问题浏览袁隆平的资料，快速找到自己所需信息并分析文章结构。通过活动让学生说一说最崇拜的人物以及崇拜他（她）的原因，学生有机会比较、使用各种复杂句、复合句，为后面的写作做铺垫。通过搭建框架，让学生总结出文章层次及各层次的内容要求并自主完成写作任务。

教学目标

通过本课节的教学，让学生达成以下目标：

1.知识目标

掌握词汇：hybrid, title, agriculture, hunger, advantage, contribution,

increase, production, development, work as, die of, happen to, be introduced into, at present

2.能力目标

(1)读懂有关袁隆平的笔记，了解他的贡献；

(2)利用笔记补全短文。

3.情感目标

学习袁隆平精神——专注中国梦、实现中国梦。

重点难点

1.重点：掌握描述名人几个主要方面的词组和句式。

2.难点：完成一篇介绍名人的文章。

教学准备

PPT课件；相关图片

授课时数

1课时

教学过程

Step 1  Lead-in

1. Ask students to talk about Marie Curie.

Who was she?

Marie Curie.

What did she do?

She was a famous scientist.

Why is she famous?

Because she was the first woman to win the Nobel Prize.

2. Introduce Yuan Longping.

Who is he?

Yuan Longping.

What does he do?

He is a rice scientist and a member of the Chinese Academy of Engineering.

Why is he famous?

Because his achievements have increased  

rice production by 20%-30%，and in some places even more.

Step 2  Presentation  

1. Read and complete

Amy wants to write about Yuan Longping, a rice scientist. Ask students to read the information she has found and complete the table.

2. Ask and answer

Ask students to read Amy’s notes and ask questions to each other. Encourage students to come up with proper questions as many as they can to catch more details about“Father of Hybrid Rice”.

e.g. 

A: When was he born?

B: He was born on 7 September 1930.

A: What did he do after graduating from college?

B: He worked as a teacher in an agriculture school.

A: Why did he begin research into hybrid rice?

B: Because he saw people die of hunger.

A: What is he considered?

B: He is considered the “Father of Hybrid Rice”.

A: How much rice did the new type of hybrid rice plant produce?

B: It produced 20%-30% more rice per unit than common kinds.

A: Why does the writer admire him?

B: Because he has spent all his life on the research and development of better rice plants. He has solved the problem of hunger for many people.

A: ...

B: ...

Step 2  Drills

1. Read and complete.

Amy is writing her article. Ask students to read the article and help her complete it. Use the information in Part A on page 32 to help them.

I think Yuan Longping, a rice scientist and a member of the Chinese Academy of Engineering, is one of the greatest people that have ever lived.

He was born on (1)__________. In 1953, he began working as a (2)_________ in an agriculture school after he graduated from college. In 1960, he saw people die of (3)__________ , so he began research into hybrid rice. In 1964, he happened to find a natural hybrid rice plant that had many (4)__________ over others. After nearly ten years of hard work, he and his team finally developed a (5)_________ of hybrid rice plant, which produced (6)__________ per unit than other common kinds. In 1979, this new type of hybrid rice was introduced into (7)__________. At present, over 100 countries in Asia, Africa and America have grown hybrid rice. Because of his achievements, (8)__________ has been increased by 20%-30%, and in some places even more. He is considered the (9)“__________”.

Yuan Longping has spent all his life on the research and development of (10)___________. He has solved (11)___________ for many people. That is why I admire him so much.

Answers: (1) 7 September 1930  (2) teacher  (3) hunger  (4) advantages

(5) new type  (6) 20% more rice  (7) the USA 

(8) rice production  (9) Father of Hybrid Rice 

(10) better rice plants  (11) the problem of hunger

2. Learn about the writing structure.

Ask students to think what to write about the person you admire most.

Paragraph. 1  Introduce the person—Yuan Longping.

Paragraph. 2  Write some detailed information about Yuan Longping.

Paragraph. 3  Explain why Amy admires Yuan Longping.

What detailed information does Amy write about Yuan in Main body?

She writes about Yuan’s date of birth, education, job, major events happened in his life, prizes and achievements.

3. Ask students to find good words and sentences that the writer uses.

Read the article carefully and try to find some good words and sentences that Amy uses.

Para 1  Name and title

         I think... is one of the greatest people...

Para 2  Major events and contributions

         He/she was born... He/she began working as...

         ... At present, ... He/she is considered the...

Para 3  Why people admire him

         ...has spent all his/her life on the research and...

         That’s why I admire him/her.

4. Ask students to write about the person they admire most.

Now it’s your turn to write about the person you admire most. How many paragraphs are you going to write? What is each paragraph about?

Step 3  Language points

1. saw people die of hunger, so began research into hybrid rice 看到人们死于饥饿，所以开始研究杂交水稻

     die  vi.  死亡，生命结束  die-died-died，dying

     death  n. 死亡     dead  adj.  去世的     dying  adj. 垂死的

【注意】

(1) die是终止性动词，不可与时间段连用，若与时间段连用可用be dead。

      He has been dead for ten years. 他已死了10年了。

(2) die用于进行时态时，意为“快要死去”。

   He is very ill and I’m afraid he’s dying.

      他病得很重，恐怕他快要死了。

【拓展】辨析：die of与die from

          两者都有“因……而死”之意。

(1) die of  因……而死 ，强调内因，如疾病、年老或饥饿等。

     She died of hunger. 她死于饥饿。

(2) die from  由于……而死，强调外因，如环境、灾害、事故等。

     She died from a car accident last year.  她去年死于一场车祸。

2. happened to find a natural hybrid rice plant that had many advantages over others 碰巧发现了一株与其他水稻相比拥有许多优势的自然杂交水稻

(1) happen  vi. 发生；happen to do sth

 happen to sb某人发生（什么事）

   What happened to you?  你发生什么事了？

(2) natural  adj.  自然的，天然的

  nature  n. 自然, 自然界；naturally  adv. 天生地，自然地

  The country’s natural resources include forests, coal and oil.

     这个国家的自然资源包括森林、煤和石油。

(3) have the/an advantage over... 与……相比有某种优势，优于……

 over   prep.“与……相比；与……比较而言”, 与choose, like, prefer等动词连用。

   Being tall gave him an advantage over the other players.

     他个子高，比其他运动员有利。

3. which produced 20% more rice per unit than other common kinds比其他一般种类单位面积的水稻增产20%

(1) produce   vt.  产生；生产，后接名词或代词作宾语。

What does the farm produce? 这座农场生产什么？

   The factory produces 1, 000 cars a month.

这家工厂每月生产1 000辆小汽车。

(2) produce   n.   产品；农产品

He took the produce of his garden to the market every Sunday.

   他每个星期天把自己园中的农产品带到集市去。

4. this new type of hybrid rice was introduced into the USA这种新型杂交水稻被引入美国

  be introduced into...   被引入……；传入……

Potatoes were introduced into Europe from South America.

  土豆是从南美洲传入欧洲的。

  Pandas have been introduced into other countries from China.

  大熊猫已从中国引入其他国家。

5. his achievements have increased rice production by 20%-30%, and in some places even more

他的成就使水稻产量增长20%-30%，在一些地方甚至更多

(1) achievement    n.  成就, 业绩

We felt a great sense of achievement when we reached the top of the mountain. 当到达山顶时，我们有一种巨大的成就感。

【拓展】

① achieve   vt. 达到；完成；成功  其宾语可以是“实现”的目标、梦想等，也可以是“取得”的胜利、成功、名誉、地位等。

She achieved success.   她获得了成功。

② increase by  增加了; increase to  增加到

increase by $10 增加了10美元    increase to $10  增加到10美元

【拓展】

reduce by  减少了；       reduce to  减少到

reduce by 5% 减少了5%;      reduce to 5%   减少到5%

6. has spent all his life on the research and development of better rice plants把毕生精力花费在更好的水稻稻株的研究和培育上

development   n. 发展      with the development of   随着……的发展

developing    adj. 发展中的          developed   adj.  发达的

China is a developing country.  中国是个发展中国家。

America is a developed country.  美国是个发达国家。

7. That is why I admire him so much.  这就是我如此钦佩他的原因。

  that’s why...  这就是……的原因，后接某事产生的结果

That’s why he was late. 这就是他迟到的原因。

【拓展】

(1) That’s because... 那是因为…… 后接某事发生的原因。

I was late for the meeting.That’s because I met my old friend on the way.

   我开会迟到了，那是因为我在来的路上遇到了我的老朋友。

   I met my old friend on the way, and that’s why I was late for the meeting.

   我在来的路上遇到了我的一位老朋友，因此我开会迟到了。

(2) that’s what...for   这就是……的目的，强调目的。

   what for = why

That’s what he gets up early every day for. 这就是他每天早起的目的。

  That’s what group work is for! 这就是小组合作的目的！

Step 4  Homework

1. Recite words, phrases and expressions learnt in this lesson.

2. Finish the related exercises.

3. Review Unit 2.

板书设计