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 （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

事前通谋的共同犯罪

事前无通谋的共同犯罪

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

李某、方某、张某在事先通谋的情况下，持刀威胁，劫取财物，其行为符合抢劫罪的构成特征，因而三人的行为均构成抢劫罪，属于抢劫罪的共同犯罪

甲打击乙，乙奋力还击，丙路过，甲请丙帮忙，共同对乙实施打击，致乙重伤。甲、丙的行为属于事前无通谋的共同犯罪、一般共同犯罪。