Using LanguageⅡ教案2

Book8 Unit2 Using language Warming up 1.Do you know anything about dinosaurs?

2. Have you ever seen the film Jurassic Park? 3.

Please enjoy some pictures about dinosaurs.

Skimming

Do the author believe the dinosaurs can be cloned?

主旨大意

The writer 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

Scanning

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?

Choose the best answers.

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

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

Post-reading 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 year

True or false according to your understanding.

1.The animals that have disappeared from the earth, like dinosaurs, can be brought back to through cloning. 2.Scientists are still experimenting with cloning mammals because they think it can make money. 3.If we can clone any extinct animals, we should let them live in a zoo.

长句难句分析

1. The popularity of films such as Jurassic Park, in which a scientist clones several kinds of extinct dinosaurs, proves how the idea struck a mixture of fear and excitement into people’s hearts.

2. From time to time people suggest that extinct animals like dinosaurs, can possibly be brought back to life through cloning.

3.Diversity in a group means having animals with their genes arranged in different ways.

4. ...but others will survive and pass on the ability to resist that disease to the next generation.

5. Based on what we know now, you cannot clone animals that have been extinct longer than 10000 years.

Discussion

May the best animal win!

Which extinct animals are worth restoring by means of cloning? Look for some information on the internet to help you and choose one of them to talk with your partner.

Writing

Write a short report giving your reasons to persuade other people.