题目内容

Local legislators have agreed on proposals to sidestep the court by amending the state constitution

A. Y
B. N
C. NG

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The underlined words "stay put" means______.

A. keep silent
B. leave at once
C. put everything back and then leave
D. stay in the building

以膈肌收缩为主的呼吸运动称为E.

M: To be honest, I thought that through art, I could become famous, pretty stupid idea.
Q: What can we infer from the conversation?
(14)

A. The man hasn't succeeded in painting any pictures yet.
B. The man has come to a new understanding of painting pictures.
C. The woman is good at painting pictures.
D. The woman has refused the man's application to paint pictures.

现采用四级流水线结构分别完成一条指令的取指、指令译码和取数、运算以及送回运算结果四个基本操作,每步操作时间依次为60ns,100ns,50ns和70ns。该流水线的操作周期应为(4)ns。若有一小段程序需要用20条基本指令完成(这些指令完全适合于流水线上执行),则得到第一条指令结果需(5)ns,完成该段程序需(6)ns。
(65)

A. 50
B. 70
C. 100
D. 280

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