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（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在芝加哥大学实验学校（杜威于19世纪末创立的学校）中，孩子们在教师的指导下自己动手建设自己的校舍、购置学校的设备，也模拟社会上的商业活动在学校里开设商店，进行简单的买卖活动。他们课程的相当一部分，也是在教师的指导下，由学生选择一些他们感兴趣的话题，通过探究学习。这个学校的活动，反映了什么样的教育思想？对我国的教育改革有何启示？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

安全生产教育培训的主要内容有哪些？

学校心理学主要研究学生的( )等，同时也根据学校教育工作的内容和要求，对教师、家长进行适当的心理援助和咨询。