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【判断题】
可将电源反接制动过程总结为切正序、投反序、切反序三步操作。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】常用石材面层有哪些?
【单选题】— If you could reduce the price _____ $20, I could increase my order. — I'm afraid the best I can do is $22. [ ]
A.
at
B.
for
C.
in
D.
to
【单选题】---- Could I take a few days’ leave, sir? ----- I’m afraid you can’t ___________ the work is being done.
A.
until
B.
before
C.
after
D.
as
【单选题】“________ I have a glass of beer?” “ No, I’m afraid you ________.”
A.
Can’t; can’t
B.
Could; won’t
C.
May; daren’t
D.
Shall; may
【单选题】听力原文：W: Excuse me, I'm wondering if you could tell me how to find a place I can have my shoes fixed. I'm new in town. M: Well, of course you can always look in the yellow pages in the back of the tele...
A.
The bookstore.
B.
The telephone company.
C.
A map of the town.
D.
A shoe repair shop.
【单选题】But for your support then, I don’t think we _____ the task.
A.
can manage
B.
could have managed
C.
could manage
D.
can have managed
【单选题】---- Could I borrow your bike? ---- I’m afraid you _______.
A.
can
B.
can’t
C.
could
D.
couldn’t
【单选题】—Could you go to the beach with us this weekend? —I'm sorry I can't. I ______ study for the history test. [ ]
A.
can
B.
could
C.
may
D.
have to
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