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【单选题】
通常应当有单独的物料取样区，取样区的空气洁净度级别应当与()一致，如在其他区域或采用其他方式取样，应当能够防止污染或交叉污染。A.
一般区
B.
洁净区
C.
仓储区
D.
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皮皮学刷刷变学霸
举一反三
【单选题】从工程机械上拆一蓄电池时,首先应该拆下 电缆;将蓄电池安装在工程机械上时,应首先安装 电缆。( )
A.
负极 正极
B.
正极 负极
C.
正极 正极
D.
负极 负极
【单选题】Mr. Wang is very strict ________ his son, and also, he is very strict ________ his job.
A.
with; with
B.
with; in
C.
in; in
D.
in; with
【简答题】阅读理解。 Wang Lei is a Chinese taxi driver. He has a son. His name is Wang Hong. He is in No. 14 Middle School. Mr Brown is his English teacher. He loves his student, and Wang Hong studies English well. ...
【简答题】阅读并回答问题 Wang Lei is a Chinese taxi driver. He has a son. His name is Wang Hong. He is in No.14 Middle School. Mr Brown is his English teacher. He loves his student, and Wang Hong studies English well....
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