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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在创设情境教学的方法中，教师通过生活实践中遇到的问题引导学生进入情境属于（ ）。

作为一名师范生或在职教师除了应具备各种教学技能外，还应具备较高的对（）、（），只有这样才具备了进一步提高教学技能和研究教学艺术的条件。

创设教学情境应当选择教师认为存在问题的情境。

情境导入技能是教师通过一定的情境导入新课的教学行为方式。这些情境可以是教师精心创设的，也可以是临时捕捉的。情境导入技能主要包括（）和现场导入。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。