以下运输方式中，在空间和时间方面具有充分的自由性，可以实现“门到门”运输的是( )

振动体上的质点只作绕轴线的振动称为（）

A．纵向振动

B．横向振动

C．扭转振动

D．绕轴振动

The CPU does not have to look (66) all of RAM to find the spot it needs. But RAM only (67) the data temporarily. As soon as you switch the computer (68) , all that information disappears from the RAM. When you switch the computer on again, the RAM is (69) , and ready (70) a new program and new data.

（70）处填（）。

A．receive

B．be received

C．receiving

D．received

磨煤机润滑油电加热器的用途？

（）后，由系统按照“税金计提行部关系”建立的入账关系，将计算出来的结果分别自动记入入账行的“（）”和“应交税金”相关分户。

集装箱车