Using LanguageⅡ优质课一等奖

十一英语阅读 自信自主 合作探究 学案导学 助你成功 主备：储佳丽 审核：徐彩云

导学案

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Unit 2 Cloning Using language

The return of the dinosaurs? 【学习目标】

1.Studying Aims: 1) To use some reading skills to understand the messages. 2) To know something about the possibility of cloning the extinct wild animals.

3) Emotional Aims: Try to express your ideas in English bravely! II. Studying Key and Difficult Points: 1) Learn to understand the messages with the tasks. 2) Be able to use your imagination to express reasons and ideas about one thing. 【学习过程】

Step 1: Warm-up

(4 minutes)

1. Free talk What’s your opinion about cloning? Are you for or against cloning? Do you think it is good to clone an extinct wild animals? Have you ever seen the film Jurassic Park? 2. Let’s see some pictures of dinosaurs.

Step 2: Fast reading

(5 minutes) Reading skills (1): skimming for general idea

Skim the messages quickly. Finish the following tasks.

1). Do the author believe the dinosaurs can be cloned?

2).The main idea of the text _____

A. is excited by the possibility of cloning fierce and extinct animals

B. believes that extinct animals can be brought back to life by cloning C. thinks it impossible or unsuitable to clone extinct animals like dinosaurs

D. dreams of dinosaurs returning to the earth

Step 3: While-reading

(15 minutes) Reading skills (2): scanning for specific information 1.

Listen to the tape and then scan it to finish the following tasks. Task 1

Choose the correct answers of the questions

1). The film Jurassic Park is popular because _____.

A. people are interested in the subject of cloning

B. all the actors are dinosaurs

C. it was directed by a scientist who clones dinosaurs 1

十一英语阅读 自信自主 合作探究 学案导学 助你成功 主备：储佳丽 审核：徐彩云

D. it proves very interesting 2). Which of the following is true? ____ A. Mice were cloned in 1981. B. Dolly the sheep was the first cloned animal. C. The name of the cloned cow is “Bison”

D. China was successful in cloning mammals. 3). The reasons why a group of cloned animals all die of the same illness

do NOT include _______.

A. they have the same arrangement of genes.

B. there isn’t enough diversity in the group for it to overcome illnesses.

C. the illness is a new one.

D. their arrangement of genes can not resist that new disease. 4). We can infer from the text that ____

A. scientists are experimenting to clone dinosaurs B. dinosaurs will never return to the earth C. cloned animals will only live in the zoo D. the DNA of dinosaurs can only survive 10000 years

Step 4: Post reading

(6 minutes)

After reading the text, please finish the blanks.

Not only the film makers but ordinary people are interested in the _______(possible) of cloning extinct wild animals. The _______(popular) of films proves how the ideas _______(strike) the fear and excitement into people’s hearts. But the cloning of mammals only began _______(serious) in the 1950s. The reasons _____ its impossibility are:

•

Perfect DNA _______ (need).

•

There is not enough diversity in the group, ______would result in their deaths for _____ same illness.

•

A _______(suit) habitat would be needed for the cloned extinct animals.

•

It would be unfair to clone extinct animals if there were to live in a zoo. So we can make an conclusion that cloning dinosaurs _____ (be) just a dream. Step 5: Challenge yourself! (12 minutes)

May the best animal win!

Which extinct animals are worth restoring by means of cloning? Choose one of them

on your book on Page16 to talk with your partner.giving your reasons to persuade other people.

Step 6: Summaries (3 minutes)

【课后反思】

2

And then write a short report