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【判断题】
绘制、看懂零件图是机械员的基本常识。请回答相关问题。 的实际尺寸小于轴的实际尺寸，这样的配合叫过盈配合（）A.
正确
B.
错误
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【单选题】Engines for lifeboats are required to have sufficient fuel to operate for how many hours?
A.
6 hours
B.
12 hours
C.
18 hours
D.
24 hours
【简答题】U5-P75 Passage2- 1. What will a realistic optimist do?A. Always leave the glass half full. B. Never take on challenges. C. Buy a car instead of a house D. Keep a budget.
【单选题】For how many hours a week do British full-time workers work?
A.
40.3
B.
43.6
C.
45
D.
48
【单选题】For how many hours is a pub usually open?
A.
From morning till night.
B.
Four to eight hours a day.
C.
It depends on the owner.
D.
0
【单选题】7) For how many hours a week do British full-time workers work?
A.
40.3
B.
43.6
C.
45
D.
48
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