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 （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

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

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

获得初级导游人员资格（）时间后才有获得中级导游认证的资格。

取得中级导游人员资格（）时间后才有晋升高级导游的资格。

高级导游是取得中级导游证又工作满几年才有资格考取的（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。