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【单选题】
屋顶是建筑物最上面起围护和承重作用的构件,屋顶构造设计的核心是 。A.
承重
B.
保温隔热
C.
防水和排水
D.
隔声和防火
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举一反三
【简答题】When Clinton opened his bag on the train, he found that he (forget) ______ to put the clean shirts in.
【简答题】When he the door, he found his keys were nowhere. 21 A. would open B.opened C. had opened D. wasto open 21
【单选题】When he hurried to the airport, he found, to his great disappointment, his ticket and passport______at home.
A.
had been left
B.
have been left
C.
has been left
D.
had left
【单选题】When he went out of his office, he found his car __________.
A.
lose
B.
go
C.
going
D.
gone
【单选题】When he reflected on his failure in the interview, he found that he _____ some inappropriate comments regarding the topic mentioned.
A.
could have made
B.
should have made
C.
must have made
D.
would have made
【单选题】在Word的“打印”对话框的“页码范围”框中输入页码范围时，连续页码范围数字之间的符号应为( )。
A.
-(减号)
B.
~(波浪线)
C.
_(下划线)
D.
*(星号)
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