在盈亏平衡点上，企业利润为0，既无盈利，也无亏损。

盈亏平衡分析是通过盈亏平衡点分析项目成本与收益平衡关系的一种方法，在盈亏平衡点上，企业的销售收入总额与营业成本相等，企业处于不盈不亏状态。（　）

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。

在盈亏平衡点，销售价格和可变成本的差异乘以销售的单位数等于固定成本。（）

某信息系统企业产品销售收入1亿元，企业的固定成本3200万元，变动成本6000万元；则企业盈亏平衡点销售额为（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在盈亏平衡点上，企业利润为0，既无盈利，也无亏损。