（）, 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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

21世纪人人享有卫生保健的总目标中不包括（）

关于21世纪“人人享有卫生保健”的总目标正确的是（）。

21世纪人人享有卫生保健的总体目标不包括（）。

哪项不是21世纪人人享有卫生保健的目标（）

21世纪人人享有卫生保健的目标是什么？