1923年，冰心以优异成绩取得美国威尔斯利女子大学的奖学金。出国留学前后，开始陆续发表总名为（）的通讯散文，成为中国儿童文学的奠基之作。

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.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

“先天下之忧而忧，后天下之乐而乐”两句出自范仲淹的哪篇文章，为千古佳句？

名句“先天下之忧而忧，后天下之乐而乐”出自谁的文章？（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。