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。

HSK考试分为基础汉语水平考试、____汉语水平考试、高级汉语水平考试三种，共分为____级。

我国55个少数民族中，除了（）通用汉语外，其他少数民族都有自己的语言。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

汉语作为中国各民族的通用语言，承载着中国数千年的优秀文化，与国外“汉语热”形成鲜明对照的是中国社会外语风潮蔓延，许多人能讲一口流利的外语，而写出的汉语文章却错误连篇，这与多年来中国忽视学生的汉语教育是分不开的。对此（）①国家应加强教育在民族文化传承和发展中的功能②我们应变革教育方式，以开放的心态全面接受外来文化③我们应学会对自己民族语言文化的热爱和尊重④国家应加强对世界文化遗产的保护