学前教育心理学研究的核心是幼儿学习心理和幼儿（）

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。

学前儿童科学教育的心理环境主要是指在幼儿园内，创设浓厚的科学学习氛围，为学前儿童的科学活动营造良好的心理气氛，重视儿童及教师科学素养、科学习惯的形成等。

学前教育心理学研究的核心是幼儿学习心理和幼儿

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。