裸子植物具有明显的世代交替，孢子体寄生在配子体上。

在高等植物世代交替中，（）的孢子体独立生活，配子体寄生在孢子体上。

裸子植物具明显的世代交替，配子体寄生在孢子体上，受精作用需要水。

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.

皮类生药是木本植物茎、根、枝的（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

1949年5月，中共河南省委决定重组河南大学，任命谁为校长？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。