选择题：Don’t be discouraged. You’ll _____ all this before

题目内容：

Don’t be discouraged. You’ll _____ all this before long. ( )(本题2.0分)
A. get on with
B. be fit for
C. get used to
D. pay attention to

参考答案：

若P、V操作的信号量S初值为2,当前值为-3,则表示有( )个等待进程。A. 0个B. 1个C. 2

若P、V操作的信号量S初值为2,当前值为-3,则表示有( )个等待进程。A. 0个B. 1个C. 2个D. 3个

27. (阅读理解题)It is natural for young people to be critical of their parents at tim

某体系在失去15 kJ热给环境后,体系的内能增加了5 kJ,则体系对环境所做的功是(本题10.0分) A、 20 kJ B、 10 kJ C、 -10 kJ D

I don’t understand ____ believe him.( )(本题2.0分)A. why don’t youB. why you notC.