The author believes that our knowledge of social systems is more secure than that of physical systems because ________.

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• 1According to the author, we should reverse our classification of the physical sciences as “hard” and the social sciences as “soft” because ________.

  A.a reverse ordering will help promote the development of the physical sciences

  B.our knowledge of physical systems is more reliable than that of social systems

  C.our understanding of the social systems is approximately correct

  D.we are better able to investigate social phenomena than physical phenomena

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• 2The word “paradox” (Par

  A.1, Line 1) means “________”.A.implication

  B.contradiction

  C.interpretation

  D.confusion

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• 3The best title for the passage would be ________.

  A.Apple’s Efforts to Stay Ahead of IBM

  B.Apple’s New Computer Technology

  C.Apple’s New personal Computers

  D.Apple’s Research Activities

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• 4It can be inferred from the passage that both Apple and IBM try to gain a competitive advantage by ________.

  A.copying each other’s technology

  B.incorporating features that make their products distinctive

  C.making their computer more expensive

  D.making their computers run much faster

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• 5Apple sells its new computer models at a high price because ________.

  A.they have new features and functions

  B.they are more sophisticated than other models

  C.they have new accessories attached

  D.it wants to accumulate funds for future research

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• 6The chances of the physical sciences being subject to great changes are the biggest because ________.

  A.contradictory theories keep emerging all the time

  B.new information is constantly coming in

  C.the direction of their development is difficult to predict

  D.our knowledge of the physical world is inaccurate

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• 7We know less about the astronomical universe than we do about any social system because ________.

  A.theories of its origin and history are varied

  B.our knowledge of it is highly insecure

  C.only a very small sample of it has been observed

  D.few scientists are involved in the study of astronomy

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• 8What has made the procedure for licensing nuclear power plants a bad dream、

  A.The inefficiency of the Nuclear Regulation commission.

  B.The enormous cost of construction and operation.

  C.The length of time it takes to make investigations.

  D.The objection of the opponents of nuclear power.

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• 9It can be inferred from Paragraph 2 that ________.

  A.it is not technical difficulties that prevent the building of nuclear power plants in the U.S.

  B.there are not enough safety measures in the U.S. for running new nuclear power plants

  C.there are already more nuclear power plants than necessary in the U.S.

  D.the American government will not allow Japanese nuclear reactors to be installed in the U.S.

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• 10Any objection, however trivial it may be, can ________.

  A.force the power companies to cancel the project

  B.delay the construction or operation of a nuclear plant

  C.cause a serious debate within the Nuclear Regulation Commission

  D.take the builders to court

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