教师教育一体化要求教学研究和教学实践一体化，即师范大学和中小学建立伙伴关系，分工协作，师范大学提供理论指导，中小学提供实验基地。

一质点在铅垂平面内作圆周运动,当质点恰好转过一周时,其重力的功为零,对吗?为什么?

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

用人工方法激发（），并通过其传播时间与距离的对应关系来研究地下岩层的（）性质及地层形态变化的物理方法称为（）.

流体内质点运动速度与方向均随时间而变化，称为（　　）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

●设AND、OR和NOT分别表示按位与、按位或和按位求反运算，且X=10011011，Y=01111010，Z=11101000，则(NOT(X) AND Y)= (9) ， (Y OR NOT(Z))= (10) 。10011011011110101110100001100000(10)

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。