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（）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

如何促进学前儿童自我意识的发展？

学前儿童自我评价的特点表现为从（）评价到初步客观的评价。

为什么说人的自我意识的觉醒和发展是审美意识的关键因素？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

试述学前儿童自我意识发展的阶段与特点。

试述学前儿童自我意识发展的阶段和特点表现在哪几个方面？

学前儿童自我意识内容不包括（）。