Just like fingerprints, each person’s DNA is ________unless he has a twin.A．unus

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Just like fingerprints, each person’s DNA is ________unless he has a twin.

A．unusual

B．normal

C．various

D．unique

答案

解析

形容词词义辨析。A. unusual 不寻常的 B. normal 正常的 C. various 各种各样的 D. unique 独特的像指纹一样每个人的DNA是唯一的除非他有双胞胎。选D

举一反三

Tom has no sense of life so he often makes stupid mistakes, making others laugh．

A．ordinary

B．usual

C．good

D．common

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Mr. Smith is driving a car in the competition and I’m sure he will take the first place.

A．new beautiful sports Japanese.	B．Japanese beautiful new sports
C．Japanese sports beautiful new	D．beautiful new Japanese sports

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—How much is _______ for a schoolbag?
—Experts say students should carry_______ more than 10 or 15 percent of their body weight.

A．far more; no

B．too much; not

C．very much; any

D．many more; much

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Who is ______ to be the best football player this year still depends

A．likely

B．certain

C．possible

D．probable

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We should do what we can to save those_________ species, for example, the tiger, an animal which was considered_______ to humans.

A．dangerous; endangered	B．dangerous; in danger
C．endangered; in danger	D．endangered; dangerous

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