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【简答题】
刚体平面运动可以简化为()在其自身平面内的运动来研究。()在其平面内的运动可视为随同基点平动与绕基点()的合成运动。
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皮皮学刷刷变学霸
举一反三
【简答题】《春江花月夜》中用细节描写思妇缠绵悱恻的感情的句子是A. 玉户帘中卷不去，捣衣砧上拂还来
【单选题】听力原文：W: I ran into our friend Jim last Friday on the street and he said he hadn't heard from you for three months. M: Yes.I see.But I've been too busy to phone him. Q: What do we learn from the conver...
A.
The woman met Jim by chance last Friday.
B.
The man contacted Jim on business three months ago.
C.
The man received a phone call from Jim last Friday.
D.
The woman injured Jim in a traffic accident last Friday.
【单选题】Last Friday night my friend invited me some videos. [ ]
A.
watching
B.
to watch
C.
watch
D.
watched
【简答题】A: Will you visit a friend next Friday? B: Yes, I ____________.
【简答题】求下列不定积分： (1) ；(2) (3) ；(4) (5) ；(6)
【单选题】Is this factory _______ some foreign friend visited last Friday?
A.
that
B.
where
C.
which
D.
the one
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