（）, 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 （）.

当电话久呼对方无人接听，有可能引发这种现象的原因有（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

接听电话时，如果想知道对方是谁，不礼貌的用语是（）。

所有电话，必须在铃响（）之内接答。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在汽车销售4S店接听电话时，当听到对方的谈话很长时（）。