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【单选题】
在某项目精制单元设计过程中,进行泡罩塔、浮阀塔和筛板塔形式的比较,下列说法正确的是:A.
泡罩塔造价低，浮阀塔操作弹性小
B.
泡罩塔操作弹性大，筛板塔单板压降小
C.
泡罩塔操作弹性小，相同材料的筛板塔造价低
D.
筛板塔操作弹性大，浮阀塔单板压降最小
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举一反三
【简答题】How many foreign languages should the applicants be fluent in? At least______.
【单选题】Does Tom speak French ______ Jean does?
A.
half as fluently as
B.
as half fluent as
C.
as fluently half as
D.
as half more fluent as
【简答题】休克病人微循环的变化一般分为______、______和_____三个时期。
【单选题】Suzan speaks English _______John.
A.
so fluently as
B.
as fluent as
C.
more fluent than
D.
much more fluently than