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Word 2007 中既可合并单元格,也可以拆分单元格。A.
正确
B.
错误
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【简答题】The cause of the fire was carelessness.英译汉
【单选题】The fire was _____ by the firefighters, but the cause of the fire was still unknown .
A.
put up
B.
put out
C.
put away
D.
put off
【简答题】带传动中弹性滑动的物理意义是什么?如何计算弹性滑动率
【单选题】He felt much warmer and then went to bed ______.
A.
the fire was burning
B.
with the fire burning
C.
the fire to be burning
D.
with the fire burnt
【简答题】带传动中弹性滑动的原因是 ,它是带传动中 的物理现象。
【单选题】关于阴极射线,下列 说法哪个正确?
A.
(A ）是放电管中的阴极材料自发发出的；
B.
(B)是放电管 中气体电离后的正电荷撞击阴极材料，阴 极释放的大量电子形成的；
C.
(C)其性质与阴极材料有关；
D.
(D)是一种类似于紫外线的以太波。
【单选题】It was announced that only when the fire was under control to return to their homes.
A.
the residents would be permitted
B.
had the residents been permitted
C.
would the residents be permitted
D.
the residents had been permitted
【简答题】英译汉：The cause of the fire was carelessness.
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