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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) and atmospheric water vapor to produce highly corrosive sulfuric and nitric acids 答案为E。CD中的which没有合适的指代对象,确实只能选E,但是对E中的to produce始终耿耿于怀。我强烈的感觉这题GMAC弄错了。。。。to do根本不可能这么用,这在语法上几乎说不通,这是硬伤,不是可商量的。有人在其他地方见过这道题吗?如果没有,那说明这题被GMAC淘汰了,属于没设计好的题目! |
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