对于二级资质物业管理公司，专业人员以及工程、管理、经济等相关专业类的专职管理和技术人员不少于（　　）人。

一级资质物业服务企业，物业管理专业人员以及工程、管理、经济等相关专业类的专职管理和技术人员不少于（）人。

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。

商业性展会宣传的重点在于展会展会的（），文化性展会宣传的重点在于展会的（）。小型展会特别是短期展会宣传的重点是时间、地点等与展会（），大型展会尤其是长期展会宣传的重点则在于展会的（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。