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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下属于跳高过杆技术的是（）

跳高技术分为助跑、起跳、过杆和落地四部分。

小明把自己练习跳高的过程用摄像机录下来，然后找体育老师分析技术动作，经过纠正后，跳高成绩得到了提高。这属于教学评价中的（ ）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。