皮皮学，免费搜题
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搜题
【单选题】
船舶漂浮的平衡条件是
A.
重力等于浮力方向相反而重心与浮心不在同一条垂线上
B.
重力小于浮力重心在浮心之下
C.
重力等于浮力方向相反作用于与静水面垂直的同一条直线上
D.
重力大于浮力
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tailored
B.
blunt
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【单选题】They can provide special places _________ homeless people ________ stay.
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with ; for
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with; to
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【单选题】If you have a good mental, you can learn special skills and knowledge that are____ for your success
A.
Required
B.
Require
C.
Requiring
D.
To required
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【单选题】What is indicated about the store?
A.
It can place special orders for printed music.
B.
It specializes in electronic pianos.
C.
It sells different kinds of musical instruments.
D.
It carries various styles of pianos.
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