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《Warming up、Pre-reading、Reading、Comprehending》PPT课件优质课下载
What’s cloning?
2005 cloning dogs
克隆的荧光小猪(左)和正常小猪(右)
These female pigs are also cloned. They are born on Christmas Day 2001. They are Noel, Angel, Star, Joy and Mary.
The mule in the picture is the world’s first cloned mule. It was born on 4 May 2003. His name is Idaho Gem.
The pair of calves were born on 5 July 1998 in Ishikawa, Japan. They were two years younger than Dolly, being second adult animal clones in the world.
Oh! My God! I was cloned!
Is it good cloning people?
A
B
A: I think cloning is good for us. Because …
B: I think cloning is bad for us. Because …
Is cloning good or bad for us?
Debate
1.By cloning, farmers can produce quantities of different commercial plants.
2.Medical cloning can help cure serious illnesses that ruin one’s quality of life
3.Cloning can help save endangered animals.
4. What problems may arise when humans are cloned?
1) People may want to clone themselves so they can live forever.
2) People may want to clone dead children.
3) People may want to clone their favorite pets.
4. 克隆技术有可能被滥用, 成为恐怖分子的工具。
5. 从生物多样性上来说, 大量基因结构完全相同的克隆人, 可能诱发新型疾病的广泛传播, 对人类的生存不利。
Skimming
Match the main ideas with the paragraphs