主酵期间发酵液的pH值会（）。

购买肉制品、腌腊制品慎购（）的食品。

购买肉制品、腌腊制品慎购()的食品。

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。

食品广告中可以含有“最新技术”、“最先进加工工艺”等意思表示。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

某pH=5的盐酸溶液加水稀释1000倍时，溶液的pH值（）。