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。

含（）的防冻剂严禁用于预应力砼结构。

用于亚硝酸盐中毒的解救药物是（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

亚硝酸盐属剧毒类化学物质，又叫工业用盐，如酸菜中就含一定量的亚硝酸盐，吃酸菜时最好吃一些什么，可减少亚硝酸盐的危害。（）