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【简答题】
什么叫运输需求?
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皮皮学刷刷变学霸
举一反三
【单选题】I heard from my old friends just now and I was eager __ the letter to read it. [ ]
A.
unfolding
B.
to fold
C.
folding
D.
to unfold
【单选题】Could you tell me ________?
A.
where can I park the car
B.
what are you looking for
C.
how do you send an e-mail
D.
who saved my daughter
【单选题】—Never ________ in line to get on a bus. —Is it not until you mention me ________ I know it? [ ]
A.
forget to wait; while
B.
forget waiting; which
C.
forget waiting; that
D.
forget to wait; that
【单选题】How can I send you the picture?
A.
Please send it.
B.
Please e-mail it to me.
C.
Please don't.
D.
Thanks a lot.
【简答题】起点为基点0指向P的矢量,称为点P的()
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