Traditionally, people gave Christmas gifts or money to their staff or servants on （）which is the day after Christmas.

Is this（）longer or shorter?

完全垄断厂商的平均收益曲线为直线时，边际收益曲线也是直线，边际收益曲线的斜率为平均收益曲线斜率的（）

一般来说，IS曲线的斜率（）

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.

The （） is used for hauling in or letting out the wires or ropes.

Demand curve（or demand schedule） 需求曲线（或需求表）

IS曲线的斜率越大，总需求对利率的变化敏感度：（）

在两部门经济中，影响IS曲线斜率的因素主要有( )。

If you do not know the subject, you will not understand what is said or written, even if English is your mother （） what is said or written.

Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.