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问题 选择题

如果|a|=|b|，那么a与b的关系是（　　）

A．相等

B．互为相反数

C．都是零

D．相等或互为相反数

答案

根据绝对值性质可知，若|a|=|b|，则a与b相等或互为相反数．

故选D．

单项选择题

By using (26) , a 600M -byte music CD can be compressed to 50M bytes or less. It can be streamed (downloaded in chunks) so that you can begin listening to the opening bars while the (27) of the file arrives in the background. And, most important, the music files of this kind retain good listening (28) that earlier (29) schemes lacked. That (30) of features makes accessing and distributing music on the web practical for the first time.

A．next

B．past

C．rest

D．host
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不定项选择

资产证券化要将资产从资产负债表中剔除，说明它是一种（）

A.结构性融资方式

B.导向性融资方式

C.表外融资方式

D.低成本融资方式
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