6个月以内的婴儿每月测量一次。7-12月婴儿每两个月测一次，13-36个月婴儿每三个月测一次，是在给婴儿测量（）。

殿试是封建科举制度最高的一级考试，请问每几年举行一次？（）

（）是指普调考、技能竞赛、新员工结业考试或技能竞赛等规模较大的考试考核活动。

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

职业技能鉴定每一项实操考试点下试题数量不小于4道。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

沿线设施定期检查每隔（）个月进行一次。