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【单选题】
现实世界的事物成为计算机中加工处理的数据,这一过程要经过三个“世界”,依次是现实世界、()和计算机世界 。A.
物理世界
B.
主观世界
C.
信息界
D.
客观世界
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举一反三
【单选题】He doesn't make ________ clear why he w ants another job when he has a good one . [ ]
A.
this
B.
that
C.
it
D.
these
【单选题】What does the man mean?
A.
He agrees with the woman.
B.
He is thinking of a good plan.
C.
He thinks they should have a good time.
【简答题】A．He thinks it difficult to understand. B．He thinks it helpful to one's wisdom. C．He thinks it isn't useful at all. D．He has never thought about it.
【简答题】Mike is at the age of ten. He is very naughty . And he isn’t good at his lessons. One day, in one of his English classes, the English teacher asked them a question, “If you had just one day to live, w...
【简答题】有哪些阀可以在液压系统中作为背压阀使用?
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