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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

酶活性调节速度比酶合成调节速度（）

合成代谢的调节机制主要有酶活性的反馈阻遏和酶合成的反馈抑制。

酶活性的反馈抑制的调节方式及其特点有哪些？

能抑制C1r和C1s酶活性的物质是()

能抑制C1r和C1s酶活性的物质是 ( )

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。