原核生物DNA复制过程中负责解开（）。

DNA复制延长中起催化作用的DNA聚合酶在原核生物是（），真核生物是DNA-polα。

DNA复制过程中，产生冈崎片段的原因是（）

（）片段的生成是因为DNA复制过程中，开链和复制的不一致。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Duty is an act or a course of action that people ______you to take by social customs, law or religion.

自然界中以DNA为遗传物质的大多数生物DNA的复制方式:( )

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.

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。