D.Harmful.
答案 B [词义猜测题。联系后面的“to other individuals”,再结合克隆的特点可知,他们担心克隆出来的人与其他人在外观上是一样的。]
3.What's the committee's treaty about cloning?
A.Any activity of cloning humans is a criminal offence.
B.Reproductive cloning would be a criminal offence.
C.Cloning should be banned now.
D.The use of biological weapons is allowed.
答案 B [细节理解题。从“a committee takes up discussion of a possible treaty that would make what is known as ‘reproductive cloning’a criminal offence”可以知道,委员会在讨论关于再生性克隆是违法的条约。]
4.If there is a treaty to ban reproductive cloning ________.
A.it is likely to clone humans at present
B.cloning will bring unethical problems
C.it is still a problem how we make scientific research by cloning
D.therapeutic cloning will also be banned
答案 D [细节理解题。从“To achieve this,they are seeking to have the proposed ban extended to cover not only the reproductive cloning of human beings,but socalled‘therapeutic cloning’as well.”可知,如果这个条约实施,不仅克隆人是犯罪,连医疗克隆也是犯罪。]
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