西方经济学家认为，失业率不超过（）就属于正常。

当经济中由于需求不足而存在失业时,可以采用的政策工具是( )

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。

当宏观经济出现衰退、失业增加时，应采取（）财政政策。

计划经济的资源配置方式，即通过国家的行政权威所发布的经济命令而完成的资源配置。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

一些西方经济学家认为，经济危机主要是由于市场中的有效需求不足造成的。为此提出，可以通过政府对经济活动进行必要的干预，来消除生产过剩和失业。以下能体现这一思想的是（）