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【判断题】
在装配时,它与轴上键槽的一侧必须带有一定的过盈量。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】配电装置按其电气设备装设地点可分为 和 两种。
【单选题】— Is it in your room? — ___________________ [ ]
A.
Yes, it isn't.
B.
No, it isn't.
C.
No, it is.
【单选题】---Could you _______ me your MP4? ---Sorry, it isn’t here at the moment. Tom ________ it for about two weeks.
A.
borrow, borrowed
B.
lend, has borrowed
C.
lend, has kept
D.
lend, has lent
【单选题】That is your school, ___________?
A.
isn’t that
B.
mustn’t it
C.
isn’t it
D.
won’t it
【单选题】—Is Jeff your friend? —No, ______ . [ ]
A.
it's not
B.
it isn't
C.
he isn't
D.
she isn't
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