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【单选题】
电子商务交易的基本原则不包括以下内容（）A.
必须有良好的可扩展性
B.
必须确保提供7天24小时服务
C.
良好的容错性能
D.
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举一反三
【简答题】(ambition) Alfred was intensely , obsessed with the idea of becoming rich.
【单选题】某工程的双代号网络计划如下图所示，则其关键路径时间为 (50) 天，作业F的自由时差为 (51) 天，节点5的最迟完成时间为 (52) 天。 （50）
A.
20
B.
19
C.
16
D.
15
【单选题】The country should focus on producing the products with ( ).
A.
a bsolute advantage
B.
comparative advantage
C.
scarce resources
D.
economies of scale
【单选题】All the products should meet the criteria____ in the contract, otherwise the buyer will reject them.
A.
sets
B.
set
C.
setting
D.
be set
【简答题】While many people are attracted to the idea of becoming an astronaut, there are many ers involved, and the idea of spending so many days in space can be ( ) .
【单选题】The idea of becoming a writer had ______ me off and on since my childhood.
A.
got on
B.
haunted
C.
convinced
D.
deprived
【单选题】When did Mr. Stevenson have the idea of becoming a lawyer?
A.
When he was in elementary school.
B.
When he was in junior high.
C.
When he was in senior high.
D.
When he was in law school.
【单选题】The idea of becoming a writer has come to me _____ since my childhood in Belleville.
A.
off and on
B.
or something
C.
right away
D.
kind of
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