以下（）语句可以嵌套使用。

循环语句可以嵌套使用。

try-catch语句不可以嵌套使用。

以下哪些语句可以嵌套使用？（）

有SQL语句： SELECT * FROM 教师 WHERE NOT (工资＞3000 OR 工资＜2000) 与如上语句等价的SQL语句是

有SQL语句：SELECT * FROM教师WHERE NOT（工资>3000 OR 工资<2000）与如上语句等价的SQL语句是

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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

以下哪些情况会造成提示“Incorrect number or IP address”？（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。