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【简答题】
在施工现场安装、拆卸施工起重机械和整体提升脚手架、模板等自升式架设设备，必须由相应资质的施工企业承担。（）
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举一反三
【单选题】There's a______ in the fact that although we're living longer than ever before, people are more puzzled by health issues than they ever were.
A.
analogy
B.
paradox
C.
dilemma
D.
illusion
【单选题】如果沙特王国认为石油输出国组织(OPEC)石油供给增加会增加石油销售总收益,那么,沙特人就一定相信石油的需求
A.
缺乏收入弹性
B.
富有收入弹性
C.
富有价格弹性
D.
缺乏价格弹性
【单选题】听力原文：M We're going to have to hire some extra help for the Miller project. W Oh? But the Miller deadline isn't for another 2 months. That should be plenty of time to meet the deadline, don't you think...
A.
A larger budget for a project
B.
More information about a project
C.
An extension of a project deadline
D.
More people to help work on a project
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