标题: Prep08 202 Help ! 关于比较 [打印本页] 作者: DylanYue 时间: 2012-12-7 21:34 标题: Prep08 202 Help ! 关于比较 请问：The amount of pollutant emitted by A is twice as much as that emitted by B 等价于 the amount of pollutant emitted by A is twice as much as is emitted by B吗？ 后者这种比较该怎么理解呢？ 谢谢了。