Ascorbate readily oxidizes in aerated aqueous solutions, and the pH of such solutions, in part,________the rate of oxidation, si

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问题 Ascorbate readily oxidizes in aerated aqueous solutions, and the pH of such solutions, in part,________the rate of oxidation, since the higher the pH, the greater the rate of oxidation.
A. determines
B. accelerates
C. consolidates
D. governs
E. compounds
F. stabilizes

选项

答案A,D

解析因果类题目，since引导原因。空格表示的是溶液的pH值怎么样了氧化速度，后面告诉我们pH值越高，氧化速度越快，所以空格填入一个表示“决定”的词，A、D两项符合。注意这个题目容易错选B。pH越高氧化速度越快，所以有的同学选了B项accelerates，但是如果pH值越低呢，就不一定了。

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Ascorbate readily oxidizes in aerated aqueous solutions, and the pH of such solutions, in part,________the rate of oxidation, si

GRE VERBAL

GRE

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