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【单选题】
依据建质87号文下列专项方案需要组织专家论证的是( )A.
混凝土模板支撑架搭设高度8m及以上
B.
混凝土模板支撑架施工总荷载10kN/m2及以上;
C.
混凝土模板支撑架搭设跨度18m及以上;
D.
架体高度20m及以上悬挑式脚手架工程;
E.
搭设高度24m及以上的落地式钢管脚手架工程;
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反馈参考答案：
举一反三
【单选题】The president was expected to ______ some suggestions after reading all those reports.
A.
come up with
B.
put up with
C.
catch up with
D.
keep up with
【简答题】How did Liza help Bod escape from the locked room? How did Bod help himself?
【单选题】On a vessel, a CO2 extinguisher is checked by ______.
A.
reading the gage pressure
B.
weighing the extinguisher
C.
discharging a small amount of CO2
D.
seeing if the seal has been broken
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