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【简答题】
效率=最大化经济剩余(efficiency=maximizing economic surplus)
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举一反三
【单选题】In my family there is a rule that anybody( ) comes first cooks the dinner for the whole family.
A.
that
B.
who
C.
what
D.
why
【单选题】Jack won the championship of the competition, () made the whole family excited.
A.
that
B.
who
C.
which
D.
what
【单选题】The whole family greeted me as though I ____a member of the family. [ ]
A.
am
B.
were
C.
would
D.
should be
【单选题】She has succeeded in gaining ________ to the university, which the whole family are pleased with. [ ]
A.
congratulation
B.
admission
C.
cooperation
D.
reaction
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