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【多选题】
以下哪些是电子商务含义的正确描述？A.
包含产品 / 服务交易
B.
包含企业内部商务活动
C.
涵盖交易各个环节，如询价和订货等
D.
采用电子方式，特别是通过 Internet
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反馈参考答案：
举一反三
【简答题】向量 Vector 、链表 List 、时间 Date 等一些使用工具类所在的包是 _____________ 。
【单选题】库房内库存物品应当分类、分垛储存每垛占地面积不宜大于100平方米，垛与垛间距不小于()米，垛与墙间距不小于米，垛与梁、柱的间距不小于()米，主要通道宽度不小于()米。
A.
1， 0.3， 0.3， 2
B.
1， 0.5， 0.3 ， 2
C.
0.5，0.5， 0.3， 2
D.
1， 0.5， 0.3， 1
【单选题】In paragraph 3, the author states that female characters in Greek theatre
A.
had no featured parts in plays
B.
were mostly ignored by critics
C.
did not participate in the chorus
D.
frequently played the part of victims
【简答题】A．不小于30cm B．不小于50cm C．不小于10cm D．不小于100cm E．不小于200cm 中药货垛与货垛之间的间距
【单选题】In Maine the author had to drive to a bookstore 70 or 80 feet away because ______.
A.
it was practically impossible for him to cross the street on foot
B.
the street was actually too broad to cross on foot
C.
it was against the traffic regulations to cross the street on foot
D.
no one has ever walked across such a crowded street
【判断题】Gail and the author, Mark, had no illusions about what the future held for them as a mixed couple in Amrica.
A.
正确
B.
错误
【判断题】The author had no confidence in business, centralized government and armies.
A.
正确
B.
错误
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