Four hundred years ago Chinese people had created the cloned images in journey to the west( 西游记 ), but now it has become reality in life.

The first cloned mammal( 哺乳动物）

Dolly

Dolly and Ian Wilmut

How much do you know about

cloning?

“ Cloning” is a new technology which produces an exact copy of an animalor a plant from its own cells. Dolly

was the first cloned mammal created by a Scottish scientist in 1996.She was exactly the same as her mother, both in appearance and in genes.

What about cloning a man?????????

Match each paragraph with its correct main idea

Para 1

f. An announcement about the first cloned human embryo caused much debate.

b. The first cloned mammal was Dolly.

a. Ian Wilmut is shocked that some scientists are considering cloning human beings.

d. A woman wants to have a cloned baby.

c. Cloning human embryos is illegal in many countries, but some scientists still want to clone human beings.

e. The situation of cloning in China.

Para 4

Para 3

Para 2

Para 5

Para 6

Reading strategy While reading articles about science

Begin by ________________________________

Then ___________________________________

Finally __________________________________

reading the first and the last paragraphs for the main idea

scan the body, circle the words you don’t know and question what you don’t understand

read through the articles again and again

Read the first and the last paragraphs

and answer

1.What’s the main idea of the passage?

2. Do you think the article gives an anti- （反对） or pro-cloning （赞成） point of view, or both? Why?

3.What about the situation of

cloning in China?

1. What’s the main idea of the passage?

Cloning has caused much debate round the world.

2. Do you think the article gives an anti-( 反对） or pro-cloning （赞成） point of view, or both? Why?

Both.

On the one hand_____________________

________________________________

On the other hand_________________

________________________________

valuable human tissues

can be produced and used to save human lives

human beings may be on

the way to producing a real-life monster

3.What about the present situation of cloning in China?

• China has achieved success in cloning cows and goats and is continuing to research ways in which cloning can benefit mankind.

Read para2 and answer

• What’s people’s attitude towards cloning when Dolly was born?

Many people were worried that cloning would lead to more diseases in animal world. However, in general they praise the scientists for their scientific advance.

Detail ReadingRead para3.4 and 5 and fill in the form.

Persons

Anti- or pro-human cloning

Reasons

Ian Wilmut

Faye wilson

Severino

Antinori

Anti-human cloning

Research efforts should concentrate on creating new tissues and organs to kill the diseases like cancer.

Pro-human cloning

She cannot have a baby so she would have a cloned baby.

Pro-human cloning

He wants to be the first to clone a human being.

Read the letters letter _______ Reasons

Letter 1 ________ human cloning

◆ Human life would become a crop to be ______ or a product for _____.

◆ We should be having fewer babies to _____ the earth’s wealth.

◆ The lady who cannot have a baby can ____ one with no parents.

Letter 2For human cloning

◆ Scientists have been challenging moral ideas for centuries, so there is no ____ for them to stop now.

◆If I could clone my daughter, my life would be totally _______.

Human life would become a crop to be ______ or a product for _____.

Opinions

Against

harvested sale

save

adopt

need

transformed

Consolidation

Read the passage and the two letters again and find out the effects of cloning.

Good effects Bad effects

1. 1.

2. 2.

3. 3.

4. 4.

5.

cure diseases like cancer

help those who are unable to have children

help those who want to clone their dead children

create more disease in the animal world

show no respect for human life

human life would be like crop or product

increase the world’ s population

save human lives produce a real-life monster

Is it a good idea to clone humans some day?

for against

Your reasons

1.Express your own point of view clearly.1.Express your own point of view clearly.

2.Think of as many reasons as possible to 2.Think of as many reasons as possible to support your ideas. (convincing and original)support your ideas. (convincing and original)

Rules

There is no forbidden field in science, but we must make sure the technology is under control. What we can do is to try our best to maximize the good effects of cloning and to minimize the bad effects of it.

科学无禁区，技术应节制

Conclusion