（）, 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 （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

简述市场问卷调查问句的基本类型有哪些？（答出五种即可）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

简述广播广告的主要类型和规格

在拟请名人做商品广告时，应该依据商品类型仔细选择不同类型的名人。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。