儿童学习某种知识和形成某种能力比较容易、儿童心理某个方面发展最为迅速的时期称为()。

儿童学习某种知识和形成某种能力或行为比较容易、儿童心理某个方面发展最为迅速的时期，称为(    )。

儿童学习某种知识和形成某种能力或行为比较容易、儿童心理某个方面发展最为迅速的时期，称为（）。

儿童学习某种知识和形成某种能力或行为比较容易、儿童心理某个方面发展最为迅速的时期，称为（）。

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.

（）在儿童的日常生活、游戏、学习和劳动等正常活动中，创设或改变某种条件，来引起并研究儿童心理的变化。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。