统计抽样是审计人员运用（），遵循随机原则，从审计对象总体中抽取一部分有效样本进行审查，然后以样本的审查结果推断总体的抽样方法。

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 （）.

在抽样调查中，样本的抽取必须遵循（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

（）指审计人员运用统计抽样或非统计抽样方式，从总体中抽取部分样本进行测试，并用样本的测试结果推断审计对象总体特征的审计方法。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。