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【判断题】
对施工项目而言，编制施工成本计划的主要作用是对实际成本估算。A.
正确
B.
错误
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举一反三
【单选题】—I would like you to talk about the Great Wall. —I’m sorry, but _________ Jack _________ I have been there.
A.
either; or
B.
neither; nor
C.
both; and
D.
not only; but also
【单选题】在下列四组选项中 , 不合法的用户标识符是 ___________ 。
A.
A，P_0，dog
B.
Float,1a0,_A
C.
b-a,goto,int
D.
_123,temp,INT
【单选题】A: Look, I'm sorry to bother you about this, but this wall between our rooms is not very soundproof and I'm doing my revison for the final exam.B: ______
A.
OK. I don't mind.
B.
Just a moment, I'll close the door.
C.
All right. How about change another room?
D.
Sorry, I'll turn the music down.
【简答题】电力系统的无功电源包括 ____________ , ___________ , ___________ , ___________ 。
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