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【单选题】
自用合理数量原则是海关对进出境物品监管的基本原则,也是对进出境物品报关的基本要求。 ( )
A.
正确
B.
错误
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【判断题】均质物体的重心就是物体几何形状的中心,即形心。
A.
正确
B.
错误
【判断题】物体的重心就是物体几何形状的中心,即形心 。
A.
正确
B.
错误
【判断题】均质物体的重心就是该物体的几何形体的形心。
A.
正确
B.
错误
【简答题】阅读理解。 This is a talk by a London taxi (出租车) driver. 'I've been a taxi driver for nearly ten years. Most London taxi drivers have their own taxis.' 'It's a nice job most of time. You meet a lot of peop...
【单选题】—Why ______ you _______ give such a talk? —Well, I've applied for this job. They've asked all the applicants to give a talk as part of the selection process. [     ]
A.
don't; have to
B.
had; had to
C.
are; used to
D.
have; got to
【判断题】物体的重心就是物体几何形状的中心,即形心。
A.
正确
B.
错误
【简答题】阅读理解。 This is a talk by a London taxi(出租车)driver. 'I've been a taxi driver for nearly ten years. Most London taxi drivers have their own taxis.' 'It's a nice job most of time. you meet a lot of people...
【简答题】补全对话. S:I've just been to the English Corner: T: 1 Did you talk with Ben and Andy? S: 2 And I'm not sure if they understood me. T: 3 You have had a good start. S: But I'm afraid of mistakes whe...
【简答题】在重力场中均质物体的重心与物体的重力无关,只取决于物体的形状,即均质物体的重心就是其几何形体的中心,简称为__。
【判断题】均质物体的重心就是物体几何形状的中心,即形心。
A.
正确
B.
错误
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