56.
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E。没读懂句子的结构,
Acid
rain and snow
result from the chemical
reactions between ... and .... to
produce…
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