Using LanguageⅡ第一课时教学设计

Step 1

warming up Answer the following questions: 1.Have you ever seen the film Jurassic Park?

Do people like this film?

What animals do you see in the film?

Are they real dinosaurs?

2.Do you like dinosaurs?

Can you see them in our real life?

Why?

3. Do you think it is possible to clone dinosaurs?

If not,why?

If yes, do you think that’s good

for human beings? Why? Step2 Reading.

Do some true or false.

1.

Scientists are still experimenting with cloning mammals because they think it can make money. 2.

The animals that have disappeared from the earth, like dinosaurs, can be brought back to life through cloning. 3.

If we can clone any extinct animals, we should let them live in a zoo.

Diversity in a group of cloned animals. Find out the advantage of diversity and disadvantage of diversity. If there is a new illness some of these animals

may die ,but others will survive and passed on the ability to resist that

Step3. Answer the following questions. 1.

Why should’t you clone an extinct animal unless there is 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? Step4.

Argument

1. Read the passage again and have a argument according to the requirement of Ex.2 on Page 16. 2. Students work in groups, when discussing, the head of each group should write down the opinions of all the members. 3. Ask some volunteers to show their opinions.

Step5.Language points 1.The popularity of the film proves how interested ordinary people are in the subject popular popularity 2.a long way from doing sth. 3. Do/make/carry out/perform

an experiment on/in/with…做...实验, 对...做实验

4.from time to time有时；偶尔；时常

5.bring…back to life 使复生

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

mean doing sth. have sth. done 7.but others will survive and pass on the ability to resist that disease to their children. pass on…to…传递; 留给