II. Cloze. Choose the best answer for each blank in the two passages. (20%)
Questions 21-25 Electronic commerce, commonly known as e-commerce, is the buying and selling of product or serviceover electronic systems such as the Internet and other computer networks. Electronic commerce__21__ such technologies as electronic funds transfer, supply chain management, Internet marketing, onlinetransaction processing, and the like. Modern electronic commerce typically uses the World Wide Web,although it may encompass a wider range of technologies __22__e-mail, mobile devices and telephonesas well. Electronic commerce is generally considered to be the sales aspect of e-business. It also consistsof the exchange of data to__23__the financing and payment aspects of business transactions. Amongst __24__economies, China's e-commerce presence continues to expand. With 384 million internet users,China's online shopping sales __25__ to $36.6 billion in 2009 and one of the reasons behind the hugegrowth has been the improved trust level for shoppers. To conclude, e-commerce has become animportant tool for businesses worldwide not only to sell to customers but also to engage them.
【題組】21.
(A)draws on
(B) puts down
(C)takes off
(D)gives out