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 （）.

俄国“二月革命”于（）历史性地推翻了沙皇政府和君主制度。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

民生主义在当时指的是“平均地权”，也就是孙中山所说的（）

孙中山“平均地权”是以“（）”的方式变革封建土地制度，为资本主义的发展扫清道路。

辛亥革命结束了统治中国两千多年的封建君主专制制度，使民主共和的观念开始深入人心。

孙中山“平均地权”是以“和平赎买”的方式变革封建土地制度，为资本主义的发展扫清道路。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。