We have learned more about protecting our environment
Will you still do this like the person
Now we ‘ll talk about another topic in this unit
From the second picture, you may think of the world famous cloned sheep--- Dolly
Do you know sth
about cloning
What do you know about them
“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 and his group in 1996
She was exactly the same as mother, in appearance and in genes
What do you think of the new kind of technology
Does it have advantages or disadvantages
The new kind of technology has caused widespread discussion
It can help cure many diseases, save lots of people’s lives and even prevent some endangered animals from dying
