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【简答题】
The ____________ look on his face suggested that he must have heard some ____________ news. (surprise)
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举一反三
【单选题】I asked my teacher _______.
A.
what courses should I take
B.
should I take what courses
C.
I should take what courses
D.
what courses I should take
【简答题】What qualifications should the applicants have? They should be good at _________, shorthand, data processing, computer and English.
【简答题】What should be depended on to judge your reading speed? We should know what you are reading and your ______ in reading something.
【单选题】I'm not sure __________. [ ]
A.
what should I do
B.
what I should do
C.
how should I do
D.
how I should do
【单选题】精馏塔中由塔顶向下的第n-1、n、n+1层塔板，其气相组成关系为（）
A.
yn+1＞yn＞yn-1
B.
yn+1＝yn＝yn-1
C.
yn+1＜yn＜yn-1
D.
不确定
【单选题】精馏塔中由塔顶向下的第n-1、n、n+1成塔板,其气相组成关系为( )。
A.
y n+1 >y n >y n-1
B.
y n+1 =y n =y n-1
C.
y n+1 < y n < y n-1
D.
不确定
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