下列合同情形中，属于无效合同的是（）。

下列情形中，合同无效的有()。

根据合同法律制度的规定，下列情形中，属于无效合同的有（）。

以下情形中，属于合同无效的有（　　）。

根据《合同法》，以下情形属于合同无效的是（）。

以下情形中属于无效合同的是（）

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.

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。