陕西省榆林育才中学高中英语 Unit 2 Cloning III Using Language导学案 新人教版选修8

陕西省榆林育才中学高中英语 Unit 2 Cloning III Using Language

导学案新人教版选修8

Step 1 Vocabulary：Preview the new words and phrases of this text.

1.___________ 使...刻骨铭心

2. 分娩

3. 不时；偶尔

4. 徒劳

5. 将某物传递给某人

6. _________________死于

7. _________________注定8 . __________________过着...的生活9. ____________________以...为基础10. _________________ 弄清楚

Step 2 Warming up

1. Do you know dinosaurs? Where have you seen them? Can you see them in our real life? Why?

2. Do you think it is possible to clone dinosaurs? If yes, do you think that’s good for human beings? Why?

探究案

Step3 Reading Task 1: Fast reading

Do the author believe the dinosaurs can return to the earth?

Task 2:Careful reading

Give some reasons why it is either impossible or unsuitable to clone extinct animals. Reason 1: ________________ is needed.

Reason 2: There is not enough ________ in the group to _________________. Reason 3: A (n) ______________ would be needed for the cloned extinct animals. Task 3. Comprehending

Answer the following questions:

1. Why shouldn’t you clone an extinct animal if there isn’t enough diversity in the group?

______________________________________________________________________________.

2. Why is it wrong to clone an extinct animal if it would have to live in a zoo? _________________________________________________________________________.

3. Why can’t you clone the DNA of animals that have been extinct longer than 10,000 years?

_________________________________________________________________________.

训练案

Task 4 Exploring 1.Choose synonyms（选择同义词）

1. It proves how the idea struck a mixture of fear and excitement into people’s hearts.

A. Have on the brain

B. Confused

C. Droved people crazy

D. Scared

2. From time to time people suggest that extinct animals…

A. There was a time when

B. Occasionally

C. All the time

D. Each time

3. People suggest that dinosaurs, can possibly be brought back to life.

A. Kept up

B. resis t

C. live on

D. relived

4. The initial requirement is that you need perfect DNA.

A. Most thankful

B. most pressing

C. most difficult

D. original and basic

5. All efforts of cloning an animal will be in vain if there is not enough diversity.

A. Go to waste

B. useless

C. helpless

D. meaningless

6. Others will pass on the ability to resist that disease.

A. oppose

B. slide

C. hire

D. indicate

7. The chance of dinosaurs ever returning to the earth is merely a dream.

A. only

B. surely

C. abruptly

D. miserably

2. Read the text again, f ind out the sentences and analyze them. (重点、长难句分析)

1. 【原句再现】The popularity of the film Jurassic Park, in which a scientist clones several different kinds of extinct dinosaurs, proves how interested ordinary people are in the subject.

译：_________________________________________________________________________. [句式透析]in which引导____________, 修饰_______。how引导_____________。

【高考链接】Many people who had seen the film were afraid to go to the forest when they

remembered the scenes _________ people were eaten by the tiger. (05广东)

A. in which

B. by which

C. which

D. that

2. 【原文再现】From time to time people suggest that the animals that have disappeared from the earth, like dinosaurs, can possibly be brought back to life through cloning.

译：_____________________________________________________________________________. 【归纳总结】from time to time________，________，_______，等于___________,_____________。

即时翻译: （1）他有时变得很没有道理。_____________________________________________.

（2）他们有时吵架。

____________________________________________________.

3. 【原文再现】It is useless to clone an animal if there is not enough diversity in the group for it to overcome illnesses. 译：____________________________________________________________.

[句式透析]当_________、_________或_________作主语时, 通常把它们放在谓语之后, 而用____________作句子的形式主语。即时练习

(1)________ will take you a lot of time to find him in the crowd. A. It B. I

C. We

D. They

(2)How long _______to finish the work?

A. you’ll take

B. will take you

C. you’ll take it

D. will it take