皮皮学，免费搜题
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【单选题】
（75±0.06mm，尺寸公差为（）mm。A.
0.06
B.
0.12
C.
0
D.
+0.12
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反馈参考答案：
举一反三
【简答题】高压开关柜内手车开关拉出后，隔离带电部位的挡板封闭后禁止开启，并设置（）的标示牌。
【单选题】听力原文：M: Well, how' s the patient this morning? W: He appears to have had a very restless night. M: Oh. Was he in very severe pain? W: Yes. I' m afraid he was, doctor. M: Hmm. In that case, I think we'...
A.
husband and wife
B.
doctor and patient
C.
doctor and nurse
D.
friends
【单选题】What is the listener directed to do?
A.
Callback
B.
Reschedule an appointment
C.
Purchase furniture
D.
Contact a different shop
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