6 月份四级完形填空真题及答案The term e-commerce refers to all commercial transactions conducted over the Internet, including transactions conducted over the Internet, including transactions by consumers and business-to-business transactions. Conceptually, e-commerce does not 67 from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to a supplier -6 8- fax. Ecommerce follows the same model -69- in other business transactions; the difference - 70- in the details.To a consumer, the most visible form of e-commerce consists 71- online ordering. A customer begins with a catalog of possible items, -72- an item, arranges a form of payment, and – 73 - an order. Instead of a physical catalog, e-commerce arranges for catalog to be -74- onthe Internet. Instead of sending an order on paper or by telephone, e-commerce arranges for orders to be send -75 - a computer network. Finally, instead of sending a paper presentation of payment such as a check, e-commerce – 76 - one to send payment information electronically.In the decade - 77- 1993, e-commerce grew from an – 78 - novelty(新奇事物)to a mainstream business influence. In 1993, few – 79 - had a web page, and - 80 - a handful allowed one to order products or services online. The years- 81 -, both large and small businesses had web pages, and most – 82 -users with the opportunity to place an order. – 83 -, many banks added online access, - 84 - online banking and bill paying became – 85 -. More importantly, the value of goods and services – 8 6- over the Internet grew dramatically after 1997.67. a) distract b) descend c) differ d) derive68. a) with b) via c) from d)off69. a) appeare...