2. 考研
  3. The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and b

The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and b

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问题     The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions by consumers and business-to-business transactions. Conceptually, ecommerce does not【C1】________from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier【C2】________fax. Ecommerce follows the same model【C3】________ in other business transactions; the difference【C4】________ in the details.
    To a consumer, the most visible form of e-commerce consists【C5】________online ordering. A customer begins with a catalog of possible items,【C6】________an item, arranges a form of payment, and【C7】________ an order. Instead of a physical catalog,  e-commerce arranges for catalogs to be【C8】________ on the Internet. Instead of sending an order on paper or by telephone, e-commerce arranges for orders to be sent【C9】________a computer network.   Finally, instead of sending a paper representation of payment such as a check, e-commerce 【C10】________ one to send payment information electronically.
【C9】
选项 A、beside
B、over
C、beyond
D、up
答案B
解析 考查介词辨析。over a computer network意为“通过电脑网络”，符合题意，故选B。
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