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 （）.

从性状上如何区别根类中药与根茎类中药？

违反国家有关法律和法规发放的贷款应至少归为次级类贷款。（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

根据消防法律法规规定，单位应当组织新上岗和进入新岗位的员工进行上岗前的消防安全培训。

执业药师资格考试科目包括药学（中药学）专业知识（一）、药学（中药学）专业知识（二）、（）、（）4个科目。

新上岗的爆破作业人员至少要进行（）学时的安全技术培训。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。