Keyboard Error or no keyboard present.表示哪个配件有问题（）

儿童具有辨音水平一般在下列哪个时期 (  )

择友的（），指儿童倾向于选择品行得到社会赞赏的人为朋友。

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。

年幼的儿童更倾向于（），随着年龄的增大，幼儿（）的能力逐步增强。

Demand curve（or demand schedule） 需求曲线（或需求表）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。