The building of the first transcontinental system ________.

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• 1The 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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• 2Some 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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• 3The word “them” in Line 7, Par

  A.2 refers to ________.A.doctors who treat heart diseases

  B.makers of artificial hearts

  C.America’s health-care programs

  D.new models of artificial hearts

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• 4The 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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• 5From 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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• 6The 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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• 7The construction of the transcontinental railroad took ________.

  A.9 years

  B.7 years

  C.4 years

  D.3 years

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• 8What most likely made people think’ about a transcontinental railroad、

  A.The possibility of government support for such a task.

  B.The need to explore Utah.

  C.The need to connect the east coast with the west.

  D.The need to del, clop the railroad industry in the west.

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• 9We had a party last month, and it was a lot of fun, so let’s have ________ one this month.

  A.another

  B.more

  C.the other

  D.other

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• 10It was difficult to guess what her ________ to the news would be.

  A.impression

  B.reaction

  C.comment

  D.opinion

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