皮皮学，免费搜题
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【单选题】
吸收塔尾气超标，可能引起的原因是： 。A.
吸收剂降温
B.
塔压增大
C.
吸收剂纯度下降
D.
吸收剂用量增大
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举一反三
【单选题】What can you find in Second Avenue and Union Street according to the author?
A.
The Opera House.
B.
The Davidson Galleries.
C.
Paul Allen's Experience Music Project.
D.
Benaroya Hall.
【简答题】What do we know about Madison Avenue in hard economic times? A) It becomes more thriving by advertising. B) It turns to advertising so as to survive. C) It helps spread the influence of advertising. D...
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