货物买卖谈判涉及二种形式，一是（）谈判，一是（）谈判。

在多边贸易谈判中，第一次涉及非关税壁垒谈判的是（）。

哪轮谈判首次涉及非关税措施（）

关于非关税措施的谈判是在（）进行的，是关贸总协定第7轮多边贸易谈判。

哪一轮谈判是关贸总协定的第七轮多边贸易谈判，主要是关于非关税措施的谈判（）

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。