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【单选题】
( )电子商务模式在整个电子商务体系中处于主导地位。A.
B2C
B.
B2B
C.
C2C
D.
O2O
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反馈参考答案：
举一反三
【单选题】He _________the other students because he studies harder.
A.
has an edge on
B.
is an edge on
C.
will be an edge on
D.
sits an edge on
【简答题】经济生态学(Economic Ecology)是研究生态学和各类生态系统、种群、群落、景观、生物圈过程与( )过程相互作用方式、( )体制及其经济价值( )的科学;它谋求实现社会经济与自然生态的协调,以求得社会经济的可持续发展。
【简答题】A．She has been to all the countries in the world. B．He wants her to recommend some places she has been to. C．She is really lucky to have traveled a lot. D．She should he a guide for a travel agency.
【单选题】He has two friends here and he has _____ in Beijing. [ ]
A.
the other
B.
other
C.
another
D.
the one
【单选题】Henry has three good friends here and he has _____ one in London. [ ]
A.
the other
B.
other
C.
another
D.
the another
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