（）, 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。

假如某因素与某病关系的病例对照研究结果的OR值为0.3（P＜0.01），最可能的解释是（）。

在货币需求理论中，费雪方程式认为长期中不受总货币存量影响的变量是()。

在货币需求理论中，费雪方程式认为长期中不受总货币存量影响的变量有( )。

在货币需求理论中，费雪方程式认为，名义收入等于货币存量和流通速度的乘积，短期内商品交易数量和（）保持不变。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。