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【简答题】
子（手）伸出长度宜在（）mm。
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举一反三
【单选题】关于隧道施工衬砌的安全技术要点，叙述错误的是（）。
A.
脚手架及工作平台上，所站人数及堆放的建筑材料，不得超过其载重量
B.
衬砌使用的脚手架、工作平台、跳板、梯子等应安装牢固，不利于露头的钉子和突出的尖角，靠近通道的一侧应有足够的净空，以保证车辆、行人的安全通过
C.
机械转动部分应设有防护罩，电动机必须有接地装置，移动和修理机器及管道线路时，应先停电，并切断电源、风源
D.
脚手架及工作平台上脚手板应铺满，木质的端头必须搭于支点上，高于2m的工作平台四周应设置不低于1.0 m的护栏，跳板应钉防滑条
【单选题】According to the passage, what is 'hassle-prevention lying' (Line 2,Para 4)?
A.
A person tells barefaced lie.
B.
A person lies to avoid a face-to-face dispute.
C.
The lies a person tells can prevent him from harm.
D.
A person tells lies to allay his anger.
【单选题】Have you heard of Zhai Mo ______became the first Chinese person to travel around the world in a sailboat?
A.
that
B.
whose
C.
which
D.
whom
【简答题】施工用电动机械设备，应采用的保护措施为 ?
【单选题】By lying about reading, a person hopes to .
A.
control the conversation
B.
appear knowledgeable
C.
learn about the book
D.
make more friends
【单选题】If a person says that he had a dream that lasted for four hours，________．
A.
he is lying purposely
B.
he is trying to be funny
C.
he is honest and accurate(精确)
D.
he is mistaken
【单选题】The injured person was still ________ on the bed where he was ________. [ ]
A.
lying; lay
B.
lied; laying
C.
lying; laid
D.
lain; lying
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