皮皮学，免费搜题
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【单选题】
工具产生的振动称为生产性振动,其中,手臂振动所造成的危害较为明显和严重,下列作业中,不会导致手臂振动病的是()。A.
操作风钻
B.
操作凿岩机
C.
操作冲压机床
D.
.操作空气锤
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皮皮学刷刷变学霸
举一反三
【单选题】____ the risk of a shark attack, you should follow these suggestions.
A.
Reduced
B.
To reduce
C.
To reducing
D.
Reduce
【简答题】You should judge by yourself and don ’t always follow the _______of your brother. A) lead B) image C) item D) behavior
【单选题】You should conform. to the usage of society.
A.
confront
B.
acquaint
C.
adopt
D.
follow
【单选题】When you get to the motorway, what you should do is just to follow the to New York.
A.
marks
B.
signs
C.
signals
D.
indications
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