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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

前垫步中，后脚迅速向前，在后脚落地（）前脚向前蹬地移动。

历史上首届羽毛球比赛在（）举行。

腿稍屈膝站立，另一腿做摆动。这步伐名称是（）。

一腿稍屈膝站立，另一腿抬起，然后还原。这步伐名称是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。