（）, 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 （）.

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

1998年以后，教育部的专业目录里规定了数学学科专业，包括数学与应用数学专业、（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

数学教育家波利亚举的例子“烧水”，说明了数学中的什么方法（）

初二一班的张小强不爱数学，他讨厌数学，甚至对数学恨之入骨。张小强为何如此讨厌数学?因为他考试总是不及格，而且数学老师经常用鲜艳的粗笔在他的试卷上批道：“卷面潦草，思维混乱，简直不是人写的!”

张小强因为数学考试总是不及格而放弃学数学，我们在教育心理学中称之为()。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。