并不是世界所有的民族都是以四分法划分文学体裁的。

汉语名词没有数的变化，所以汉语没有区别单数和多数的概念。

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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

所有的文学作品都适合于被改编成影视剧。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

汉语里只能出现在名词前边的词是（）