溶胶一般都有明显的丁达尔效应，这种现象产生的原因是（）。

渠道窜货现象产生的原因有（　　）。

语文教学评价中单项性试题和综合性试题的功能有什么不同？为什么要以综合性试题为主？

分立式试题和综合性试题

分立式试题和综合性试题

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

多胚现象不会因（）而产生。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。