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【单选题】
公共物品供应的最优均衡条件为( )。A.
每一个消费者的边际替代率必须相等
B.
生产者的边际成本应等于消费者的边际支出
C.
提供公共物品的私人成本等于提供公共物品的社会成本
D.
消费者的边际支付意愿之和应等于提供该公共物品的边际成本
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【简答题】Have you discussed with your group members before your submitting the rating? Yes or No
【简答题】试分析全桥式变换器的工作原理。
【单选题】If you find yourself submitting to your fears, stop and ________ your situations. [ ]
A.
assume
B.
assist
C.
asses
D.
asset
【简答题】试分析全桥式变换器的工作原理。
【单选题】Before submitting your article to a journal, read through your manuscript quickly and double check its __________.
A.
format
B.
spelling and punctuation
C.
tables and figures
D.
all of the above
【单选题】As the smallest child of his family, Alex is always longing for the time ____ he should be able to be independent.
A.
when
B.
whose
C.
which
D.
who
【单选题】What are needed in your application process except________?
A.
submitting an application for admission
B.
submitting two letters of recommendation from teachers, counselors, or advisors
C.
demonstrating their English language proficiency scores from TOEFL or GRE
D.
submitting SAT or ACT test scores
【单选题】Before submitting your essay, please be sure to include your_____at the end of it.
A.
signing
B.
signed
C.
to sign
D.
signature
【简答题】写出下列梯形图对应的指令表程序:
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