证券投资风险包括系统风险和非系统风险。

按照风险可否分散，证券投资风险可分为系统性风险和非系统性风险，市场风险属于系统性风险。（  ）

证券投资风险包括系统性风险和非系统性风险。

按照风险可否分散，证券投资风险可分为系统性风险和非系统性风险，以下选项属于系统性风险的是（）

股票及股票市场的风险包括系统性风险和非系统性风险。非系统性风险不能通过组合投资实现风险分散。（　）

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。