班级授课制的奠基人是17世纪捷克教育家（ ）。

17世纪捷克教育家（）说：教师是太阳底下最光荣的职业.

17世纪捷克教育家（）说：教师是太阳底下最光荣的职业。

17世纪捷克教育家（）总结了前人经验对班级组织进行了论证。

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。

认为教师是“太阳底下最光辉的职业”的教育家是(　　)。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。