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 animal or 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 Reading Read 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 2 For 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 effectsBad effects 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 livesproduce a real-life monster

Is it a good idea to clone humans some day? foragainst Your reasons

1.Express your own point of view clearly. 2.Think of as many reasons as possible to 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