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标题: 急求助：86OG-15即CD22-20 [打印本页]

作者: winnie117 时间: 2007-11-29 11:24
标题: 急求助：86OG-15即CD22-20

86OG- 15.

Acid rain and snow result from the chemical reactions between industrial emissions of sulfur dioxide and nitrogen oxides with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids.

(A) with atmospheric water vapor to produce highly corrosive sulfuric and nitric acids

(B) with atmospheric water vapor producing highly corrosive sulfuric and nitric acids

(D) and atmospheric water vapor which have produced sulfuric and nitric acids which are highly corrosive（E）

(E) and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids

答案E，to produce....修饰的是谁？记得prep语法上曾经说过不要用to do修饰，会造成修饰对象不清楚的状况。谢谢！

作者: winnie117 时间: 2007-11-29 11:25
顶一下！我选的是c,nn能解释一下为什么不对吗？

作者: 遥遥G梦 时间: 2007-11-29 11:32

修饰的是chemical reactions

C is wrong because "water vapor" can not produce "corrosive sulfuric and nitric acids"

作者: winnie117 时间: 2007-11-29 11:44
非常感谢遥遥G梦！句子的结构是：

Acid rain and snow result from 。。。between。。。and。。。to produce。。。明白了！

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