题目内容

表达式'A'+3的结果与下列哪个字符的ASCII码值相等()。

A. 'A'
B. 'B'
C. 'C'
D. 'D'

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int a=4,b=2,c=3;a=b!=c,则变量a的值为()。

A. 1
B. 4
C. 2
D. 0

Crying is the sign of the rawest of human emotions. We cry when we can't hold inside what we feel any more. We cry when we're at our best, and when we're at our worst. By we, I mean all of us. Men included.Q:What does this paragraph mainly talk about?

A. Crying is a raw human emotion.
B. Crying is an emotion beyond control.
Crying is an emotion showing sadness.
D. Crying is an emotion showing happiness.

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水在半径为R,长为L的管道中做层流,管中心流速为v,下面那种情况下可以让水不再做层流?()

A. 减小管道半径为原来的一半
B. 长度微弱增加
C. 将水换成甘油
D. 水流速度明显增加

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