郁金香是百合科（）属。鳞茎花单生蒴果。

卫矛属树种枝常为绿色，单叶对生，蒴果

杨柳科的主要特征是单叶互生，为（）花序；花常具花盘或腺体；蒴果，种子有白色丝毛。

八角属的观赏树种有哪些？

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.

树木在一年的生长中按不同树种可分前期生长型、全期生长型。下列属前期生长型的树种是（）。

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。