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
(C) and atmospheric water vapor which has produced 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
the answer is E. but why its E.
why A is wrong?
between....and阿
with的话就是水蒸气修饰氮氧化物了。
原文要表达的应该是氮氧化物和水汽 produce
我的理解。。。。。
i got it . thank u~
| 欢迎光临 ChaseDream (https://forum.chasedream.com/) | Powered by Discuz! X3.3 |