文档介绍：The perfect copy
There is no forbidden field in science, but we must make sure the technology under control.
E HERE!
Four hundred years ago Chinese people had created the cloned images in 西游记, but now it has e reality in life.
the world’s cloned
.
created by scientists
On .
died in because
of .
first
mammal
Scottish
22nd February 1996
2003
lung disease
“Cloning” is a new technology which produces an exact copy of an animal
or a plant from its own cells.
Scientific terms
clone
Title understanding
How can you understand the word copy?
A. model
B. clone
C. similarity
D. imitation
cloned pigs
First reading—Main idea
Refer to the reading passage and find out the main idea.
(The reading passage is made up of a newspaper article about cloning and two readers’ letters. We will be given information about how cloning is being researched and the different attitudes towards it.)
Match each paragraph with its correct main idea
Para 1
Para 2
Para 3
Para 4
Para 5
Para 6
An announcement about the first cloned human embryo caused much debate.
The first cloned mammal was Dolly.
Ian Wilmut is shocked that some scientists are considering cloning human beings.
A woman wants to have a cloned baby.
Cloning human embryos is illegal in many countries, but some scientists still want to clone human beings.
Chinese scientists continue to research ways in which cloning can benefit mankind.
Comprehension
The passage is mainly about_______.
A. what cloning is
B. the advantage of cloning
C. arguments about cloning human embryos
D. the disadvantage of cloning
can learn from the two letters_______.
A. both of the writers are pro-cloning.
B. both of the writers are anti-cloning.
C. neither of the writers are against cloning.
D. both of the writers are not for cloning
human embryos
announcement of essful human embryo
cloning has caused much debate because______.
A. people still have no clear idea about the results
of human cloning
B. valua