The word “them” in Line 7, Par

试卷相关题目

• 1The new models of artificial hearts are expected ________.

  A.to have a working life of 10 or 20 years

  B.to be set fully in the patient’s chest

  C.to be equipped with an external power source

  D.to create a new passage for infection

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• 2From the passage we know that Symbion Inc ________.

  A.has been banned by the government from producing artificial hearts

  B.will review the effects of artificial hearts before designing new models

  C.may continue to work on new models of reliable artificial hearts

  D.can make new models of artificial hearts available on the market in 10 to 20 years

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• 3According to the passage the Jarvik-7 artificial heart proved to be ________.

  A.a technical failure

  B.a technical wonder

  C.a good life-saver

  D.an effective means to treat heart disease

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• 4The application of advanced technology to research in solar energy ________.

  A.would lead to a big increase in research funding

  B.would make it unnecessary to import oil

  C.would make it possible to meet the future energy needs of the EEC

  D.would provide a much greater proportion of the Community’s future energy needs

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• 5Which of the following is NOT true according to the passage、

  A.The EEC spends one billion pounds on imported energy each year.

  B.At the present level of research spending, it is difficult to make any significant progress in the provision of energy from the sun.

  C.The desired breakthrough could be obtained by the end of the next decade if investment were increase

  D.D.The total yearly spending of the EEC on solar energy research amounted to almost 6 million.

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• 6Some people feel that ________.

  A.artificial hearts are seldom effective

  B.the country should not spend so much money on artificial hearts

  C.the country is not spending enough money on artificial hearts

  D.America’s health-care programs are not doing enough for the nation’s health

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• 7The major problems with America’s railroad system in the mid 19th century lay in ________.

  A.poor quality rails and unreliable stopping systems

  B.lack of financial support for development

  C.limited railroad lines

  D.lack of a transcontinental railroad

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• 8The building of the first transcontinental system ________.

  A.brought about a rapid growth of industry and farming in the west

  B.attracted many visitors to the construction sites

  C.attracted laborers from Europe

  D.encouraged people to travel all over the county

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• 9The best title for this passage would be ________.

  A.Settlements Spread Westward

  B.The Coast-to-Coast Railroad: A Vital Link

  C.American Railroad History

  D.The Importance of Trains in the American Economy

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• 10The construction of the transcontinental railroad took ________.

  A.9 years

  B.7 years

  C.4 years

  D.3 years

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