软件结构是以 【3】 为基础而组成的一种控制层次结构。

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问题:

软件结构是以 【3】 为基础而组成的一种控制层次结构。

考点:计算机等级考试C语言二级C语言笔试
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造成外界气体进出肺泡的主要原因是 [ ]

A.呼吸运动     

B.呼吸运动引起肺泡内气压与外界大气压之间的压力差     

C.呼吸肌的收缩和舒张     

D.气体扩散

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充电电流很小为什么不一定有故障?如何判断是否有故障?

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When someone says, “Well,I guess I’ll have to face the music”, it doesn’t mean that he is planning to go to hear a singer or attend a concert. It is something far less unhappy than you are called in by your leader to explain why you did this and that or why you did not do this or that.

  At some time or another, every one of us has to “face the music”, especially as children. We can all remember father’s angry words “I want to talk to you”. And only because we did not listen to him. What a bad thing it was!

  In the middle or at the end of every term, we students have to “face the music”. The result of the exam will decide whether we will face the music or not. If...that means parents cold faces and contempt (轻视) of the teachers and classmates.

 “To face the music” is well known to every American, young or old. It is at least 100 years old. It really means that you have to do something, no matter how terrible the whole thing might be, because you know you have no choice.

小题1:“To face the music” means “to__________”.

A.do something that we don’t like to

B.go to the theatre

C.go to the music show

D.do something that we want to小题2:In the third paragraph, “If…”really means “If__________”.

A.we don’t do a good job

B.we get an “A” in the exam

C.the exam is easy

D.the exam is difficult小题3:Which of the following is NOT true according to the passage?

A.“To face the music” is well known in the United States.

B.“To face the music” has a history of more than 100 years.

C.The young Americans know what “to face the music” means.

D.Only the old in the United States know the meaning of “to face the music”.

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左旋多巴应用12个月后,出现“开关现象”,可换用的药物是

A.吲哚美辛
B.苯海索
C.丙米嗪
D.哌替啶
E.氯丙嗪

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滚动轴承的保持架损坏时应()。

A.报废轴承

B.更换保持架

C.焊修保持架

D.拆除保持架

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