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。

高远、平远、深远是中国古代山水画的三种透视法，它出自古代画论（）

高远、平远、深远是中国古代山水画的三种透视法，它出自古代画论（）。

中国画按题材可分为人物、山水、花鸟等三类作品。

中国传统画通常可分为壁画和卷轴两大类，而每一类以题材不同分为人物画、山水画和花鸟画；以技法不同分为工笔、写意和半工半写。

写意花鸟画即用（）的手法绘写花鸟等对象的一种画法。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。