从德育的角度来说，“一把钥匙开一把锁”反映的德育原则是（）。

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。

所谓在教学时要“用一把钥匙开一把锁”，是指教师要有（）。

所谓在教学时要“用一把钥匙开一把锁”，是指教师要有（）。

所谓在教学时要“用一把钥匙开一把锁”，是指教师要有（）

所谓在教学时要“用一把钥匙开一把锁”，是指教师要有（）

所谓在教学时要“用一把钥匙开一把锁”，是指教师要有()．

一把钥匙开一把锁。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。