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【多选题】
群落分类的途径可以是()A.
对实体集合按其属性数据所反应的相似关系把它们分成若干组，使同组内的成员尽量相似，而不同组的成员尽量相异
B.
对属性集合按其实体数据所反应的相似关系把它们分成若干组，使同组内的成员尽量相似，而不同组的成员尽量相异
C.
以上途径都不对
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【单选题】---It’s very important _____ us to make plans before a new term. ---Yes. You must try to make it carefully.
A.
of
B.
for
C.
to
D.
in
【单选题】()is very important that you don't make any mistakes when you calculate those figures.
A.
That
B.
What
C.
It
【单选题】---- ______! There is a bus coming. ---- Thank you very much for telling me. You saved my life!
A.
Good luck
B.
Watch out
C.
Cheer up
D.
Well done
【简答题】可行性研究是() A.研究项目的计划 B.基于项目的计划 C.推荐候选技术的计划 D.不推荐候选技术的计划
【简答题】存储器管理的主要功能是什么?
【单选题】— It's very important us to make a plan before a new term. — Yes. You must try to make it carefully. [ ]
A.
of
B.
for
C.
to
【单选题】You were very impolite to him, for ______ you should make an apology to him, I think,
A.
this
B.
which
C.
what
D.
that
【单选题】听力原文：W: You've got a new camera. It looks good and must be very expensive. M: It is good. But I got it for next to nothing. Q: What does the man mean about his camera? (19)
A.
He got the camera at a very low price.
B.
The camera is very expensive.
C.
The camera is worth nothing.
D.
He does not like the camera.
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