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【判断题】
Producing more of a product always adds to total surplus (剩余) .A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Email,as well as telephones,________an important part in daily communication. [ ]
A.
is playing
B.
have played
C.
are playing
D.
play
【单选题】Choose the ONE that is a synonym for the word : postulate
A.
postage
B.
position
C.
posit
D.
spatulate
【单选题】______ him do this job by himself?
A.
Why don't let
B.
Why not letting
C.
Why not let
D.
Why you not to let
【单选题】This book is a bit difficult. ________ read something easier?
A.
Why not to
B.
Why don’t
C.
Why not
D.
Why not you
【简答题】What is the Hammond Postulate?
【单选题】Let‘s postulate that she is a lawyer，then what‘s her opinion about it.‘?
A.
challenged
B.
assumed
C.
deducted
D.
decreed
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