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标题: 问一道过去没有定论的题谢谢 [打印本页]

作者: irence_928 时间: 2007-12-5 08:09
标题: 问一道过去没有定论的题谢谢

GWD21-1

According to analysts, an alliance between three major personal computer companies and most of the nation’s largest local telephone companies would enable customers to receive Internet data over regular telephone lines with speeds much higher than is currently possible.

with speeds much higher than is
with speeds that are much higher than are
at much higher speeds as are
at much higher speeds than that
at speeds much higher than are

这题答案是E.可我就是不明白这个 are咋回事啊......以前的讨论贴都没有定论啊....个个都不肯定的...

作者: Icanw 时间: 2007-12-6 00:47
E 省略了主语 speeds. the complete form is "at speeds much higher than (speeds) are currently possible.

作者: irence_928 时间: 2007-12-6 14:25
怎么用的啊到底??

作者: zsgc0011 时间: 2007-12-7 17:09

2楼正解

楼上的MM是想知道are是否省略的判断?

比较中主谓如果前后一致则主语可省可不省但是如果时态不同则助动词要给出不能省略

更具体的规则prep里有,建议去看看

刚开始回的时候都打错了```

[此贴子已经被作者于2007-12-8 19:12:53编辑过]

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