军队职称英语真题汇编-DE阅读理解79

试卷预览

• 1A computer is a machine designed to（　）。

  A.perform work mathematically

  B.perform complicated calculations

  C.store and select information

  D.all of the above

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• 2The speed with which an electronic computer works depends an its（　）。

  A.electronic circuits

  B.vacuum tubes, or transistors

  C.programmer

  D.instructions

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• 3According to the passage, computers play an essential role in（　）。

  A.automation processes

  B.mathematical computations

  C.traffic control

  D.the development of mathematical theory

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• 4The use of computers for specialized purposes depends om the（　）。

  A.design of the computer

  B.power used to operate the computer

  C.difficulty of the mathematical calculations involved

  D.the ability of the programmer

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• 5The passage implies that human beings differ from computers in that the human beings（　）。

  A.make fewer errors

  B.do not have to be programmed

  C.work more quickly

  D.understand their instructions

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