皮皮学，免费搜题
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【单选题】
夜间施工，必须有足够的照明，一般场地照明电源电压宜选（ ）伏，在潮湿地点或易触及带电体场地，照明电源电压不可超过（ ）伏。A.
220 24
B.
110 12
C.
220 36
D.
110 36
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A.
Wash his red T-shirt again.
B.
Buy new white socks.
C.
Throw away his pink socks.
D.
Use bleach on his socks.
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A.
slowed down
B.
broken down
C.
cooled down
D.
turned down
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