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【简答题】
填料吸收塔正常操作时 , 气相为____相; 液相为____相
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举一反三
【单选题】—Some Chinese students find it hard to get used to the life in London. —Exactly, ______ they’ve learnt a lot about the city before.
A.
if
B.
now that
C.
as though
D.
even though
【简答题】蛋白质多肽链中氨基酸的排列顺序和连接方式称为蛋白质的______结构。
【单选题】—Some Chinese students find it hard to adapt to the life when in London. —Exactly, ______ they've learnt a lot about the city before. [ ]
A.
if only
B.
now that
C.
as though
D.
even though
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