军队职称英语真题汇编-C阅读理解67

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• 1According to this passage, the muscular sense is responsible for（　）。

  A.the efficiency of our muscles

  B.the normal breathing function

  C.directing our muscles intelligently

  D.the work of only our involuntary muscles

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• 2Intelligent use of the muscles means that（　）。

  A.one always knows what his muscles are doing

  B.one performs simple actions without waking

  C.one’smuscles are used only t0 the extent necessary for each action they perform

  D.one improves muscular action consciously

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• 3Under a microscope muscle cells appear to be（　）。

  A.textured like wood

  B.colored like wood

  C.smooth and red

  D.short and thick

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• 4According to the passage, more than half of a person's body is composed of（　）。

  A.voluntary muscles

  B.involuntary muscles

  C.muscle fibers

  D.sensory nerves

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• 5An average woman is weaker than an average man because she has（　）。

  A.more voluntary muscles than an average man

  B.only 60 to 70 percent asmuch muscles as men for her body mass

  C.60 to 70 percent less muscle for her body mass

  D.less muscle fiver for her body weight

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