Network software consists of( )，or rules by which processes can communicate．

Which is heavier, a pound of cotton or half a kilogram of gold?

The merchant undertakes that no claim or allegation shall be made against any servant，agent or subcontractor of the carrier which（）to impose upon any of them or any liability whatsoever in connection with the goods.

儿科护理服务对象的年龄范围是______________。

儿科护理工作项目繁多，具有一定的复杂性，要求护理工作者_______准确，________娴熟，具有慎独精神。

(简答题)简述儿科护理工作的原则。

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.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

儿科护理研究工作包括