教师对学前儿童学习的支持体现在两方面，一是支持学前儿童（）学习，二是支持学前儿童（）学习。

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。

学前儿童科学教育环境是指为了促进学前儿童的科学素养的发展，由教育者创设、规划的一种具有科学教育价值的环境。

在参与集体教育活动指导时，保育员应尊重学前儿童的学习特点，接纳其在学习上的差异，促进学前儿童（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。