There are two great belts or _____ where ninety percent of all earthquakes take place; they may, however, happen anywhere at any time.

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• 1Sometimes the tension produced by fears is so great that we cannot suppress it. At such times we need to _____ the tension by laughing or crying.

  A.discard

  B.disperse

  C.disguise

  D.discharge

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• 2It is due to the invention of the computer that man has been able to work so many wonders in the past few years. A case _____ is the successful launching of space shutle.

  A.in point

  B.in question

  C.in a way

  D.in brief

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• 3A scientist does not accept statements which are not based on the most complete evidence available. Instead, he always checks, studies and makes experiments carefully and objectively to _____ them.

  A.testifly

  B.verify

  C.affirm

  D.assert

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• 4Because there is evidence of severely harmful effects from chemical dumps, the government has _____ tougher cleanup measures.

  A.imposed

  B.impulsed

  C.implemented

  D.incorporated

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• 5Throughout the United States, insurance laws follow a general pattern although _____ are different from state to state.

  A.provisions

  B.contracts

  C.treaties

  D.regulations

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• 6One of the main goals of the modern wonmen's liberation movement, which started in the early 1960s, was to _____ sex discrimination in the workforce, and to open up careers for women that were previously reserved for men.

  A.abolish

  B.eliminate

  C.diminish

  D.extinguish

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• 7Nowadays, skilled workers such as carpenters, electricians and TV repairmen often have higher income than college graduates. The old distinction that whitecollar workers make a better living than bluecollar workers no longer _____ true.

  A.hold

  B.stay

  C.come

  D.become

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• 8The differences, in terms of lifetime experiences, between the average student who goes to college and the average student who does not, are so _____ to the collegegoing sutdnet that any student who can reach college owes it to himself to do so.

  A.preferrable

  B.favourable

  C.convenient

  D.compulsory

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• 9An auction is usually advertized beforehand with full particulars of articles to be sold and where and when they can be viewed by _____ buyers.

  A.perspective

  B.prospective

  C.prosperous

  D.profitable

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• 10Recently, great advances have been made in the study of Venus' surface by the use of radar waves to _____ the dense cloud layer.

  A.persecute

  B.pierce

  C.penetrate

  D.plunge

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