The word“detected”in paragraph 3 could be best replaced by

试卷相关题目

• 1People buy cell phones for the following reasons EXCEPT that

  A.they’re popular.

  B.they’re useful.

  C.they’re convenient.

  D.they’re cheap.

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• 2.The word “While” in Line 4 from the bottom can best be replaced by.

  A..Unless.

  B.Because.

  C.Since.

  D.Although.

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• 3Which is NOT a possible cause of mental retardation、

  A.Alcohol or drug abuse.

  B.Abnormal genes from the parents.

  C.A well-、planned pregnancy.

  D.Problems during childbirth.

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• 4Which Of the following is NOT true of mental retardation、

  A.It is not curable.

  B.Its victims are usually born with it.

  C.Its causes are not fully identified yet.

  D.It can spread among family members.

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• 5A person of high intelligence will probably score.

  A.above 110 on an IQ test.

  B.110 on an IQ test.

  C.90 on an IQ test.

  D.below 75 on an IQ test.

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• 6The salesman retired young because

  A.he couldn’t remember simple tasks.

  B.he disliked using mobile phones.

  C.he was tired of talking on his mobile phone.

  D.his employer’s doctor persuaded him to.

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• 7On the safety issue of mobile phones,the manufacturing companies

  A.hold that the amount of radiation is too small to worry about.

  B.deny the existence of mobile phone radiation.

  C.develop new technology to reduce mobile phone radiation.

  D.try to prove that mobile phones are not harmful to health.

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• 8The writer’s purpose of writing this article is to advise people

  A.to buy mobile phones.

  B.to use mobile phones less often.

  C.to update regular phones.

  D.to stop using mobile phones.

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