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 （）.

以下不属于残障人群体育康复原则的是（）

体育康复学概论定义

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

大学生体育学习锻炼和保健的原则主要有（）、（）、（）、全面锻炼与发展原则。

组织幼儿体育活动时应该强调活动的节奏性，注意动静交替、急缓结合。体现了学前儿童体育教育的组织的（）原则。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

课外体育活动的整个实施过程，包括（）、课外体育活动的组织实施和（）三个环节。