PTSD的双重表征理论认为创伤经历形成双重表征即（）和（）。

在皮亚杰的认知发展理认中，大学生处于（）阶段。

皮亚杰认为语言与思维在发生上是（），思维起源于（），而语言来源于（）

皮亚杰认为表征发生于（）。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

中国现代心理学开创的标志是北京大学于（）年建立的心理学实验室。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。