【人教课标选修8】Unit 2 Cloning

Show the following.

1. Cloning means making a copy of an animal or a plant. (F. exact… another)

2. Gardeners can make a lot of money by cloning plants.(T.)

3. Cloning animals is as complicated as cloning plants.(F. more than)

4. Dolly the sheep was the first successful clone of a mammal. (T.)

5. Natural clones happen in animals as well as in plants.(T)

Task two: Careful reading

Read the text again, try to answer the following questions and find out the main idea of each paragraph .

Questions:

1. What’s the main idea of the text?

2. How many years did the sheep that donated the somatic cell most probably live? 

3. Why did the Cloning of Dolly the sheep succeed?

4. What does the word ‘straightforward’ mean in the second paragraph?

5. What is the writer’s attitude toward cloning in this passage?

The main idea of each paragraph:

Para. 1 Cloning is a way of making an copy of another animal and plant.
Para. 2 Cloning has two major uses.
Para. 3 The problems of Dolly.
Para. 4 The effect of Dolly.
Para. 5 It is forbidden to clone human being.

Task three: Notes for debating: Should we use cloning?

Argument for cloning:

Cloning will be beneficial to humans

We could use cloning to cure illnesses.

Arguments against cloning:

healthy risks form mutation of genes

emotional risks

against nature

risk of abuse of the technology

Cloned animals get ill and die quite young;

The Third Period    Language Points