cloning efficiency克隆率(克隆形成率)
cloning efficiency克隆率(克隆形成率)
cloning efficiency克隆率(克隆形成率)
Cloning, a Frightening Thing?
Key Words: cloning, scientific breakthrough, identical copy, cure, disease, extinction, worry about, human cloning
12. Cloning, a Frightening Thing?
Key Words: cloning, scientific breakthrough, identical copy, cure, disease, extinction, worry about, human cloning
The following are all examples of the benefits from the cloning technology EXCEPT
A.treating heart attack victims
B.releasing people's fears
C.treatment for infertility
D.curing cancer
Paragraph Two implies that in treating infertility, ______.
A.the percentage of successful treatments is very high when present methods are used
B.the present treatment is very cheap
C.the cloning technology costs less time and money in treating infertility
D.the cloning technology is more suitable for treating infertility than leukemia