下列房地产投资形式中，属于按经济活动类型划分的有( )。（2011年试题）

外包商品和服务时，以下哪项一般被视为辅助活动（）

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.

目前的大学生志愿服务活动主要指向有（）。

目前的大学生志愿服务活动主要指向有（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

试题试卷是按照考试的目的制作测量工具的活动

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。