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【简答题】
下列部件中属于扣件式钢管脚手架的是( )。 A．钢管 B．吊环 c．扣件 D．底座 E．脚手板
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举一反三
【单选题】During the weeks of discussion, delegations from groups who are interested in the resolution may call on representatives to XXX their point of view
A.
prepare for
B.
in favor of
C.
Stand up for
D.
Speculate about
【单选题】The weather turned out to be fine. I the trouble to carry the umbrella with me.
A.
should have taken
B.
needn’t have taken
C.
mustn’t have taken
D.
could have taken
【简答题】转换为同义句。 1. They're having fun in the zoo. They're having a _______ ________. 2. Can I help you? _______ can I _______ _______ you? 3. I like the English corner very much. I like the English corner ___...
【简答题】The block diagram (方框图)of a radio receiver(接收机) is as shown in Fig. 1 –
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