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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