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【简答题】
一反应在某条件下的平衡转化率为18.6%，当有一催化剂存在时，其转化率是 (A) ＞18.6% (B) =18.6% (C) ＜18.6% (D) 接近100%
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举一反三
【单选题】The Gift of the Magi was written by
A.
Theodore Dreiser.
B.
O' Henry.
C.
William Faulkner.
D.
Mark Twain.
【单选题】In the story "The Gift of the Magi" by O · Henry, how did Della try to save money? Which of the following is NOT right?
A.
She bargained at the grocery, at the bakery and at the butcher’s.
B.
She had her long hair cut and sold it.
C.
She bargained at the grocery.
D.
She sold Jim’s gold watch.
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