【正文】
usiness.A. Internet B. Web C. ARPA D. ARPANET2. The ( ) evolved into the Internet. A. Internet B. web C. ARPANET D. 3. ( ) is the meaning of EDI in Emerce. A. Economic Development Institute B. Electron Diffraction Instrument C. Engineering Demonstrated Inspection D. Electronic Data Interchange4. ( ) are the three ponents of markets according to the Text. A. sellers, buyers and goods B. agents, products and processes C. businesses, consumers and Internet D. businesses, products and consumers5. ( ) sites do give visitors the chance to find almost everything they are looking for in one place.A. Portal sites B. Auction sites C. Storefront sites D. Online shopping mall6. Internet users can assume the role of either seller or bidder through ( ). A. Portal sites B. Auction sites C. Shopping malls D. Bartering sites7. ( ) is emerce that uses security procedures and techniques, including cryptography and digital signatures, mensurate with anticipated risks. A. Secure management B. Secure transactions C. Secure emerce D. Emerce 8. Although ( ) are a popular form of payment for online purchases, many people resist the appeal and simplicity of ( ) transactions due to security concerns. A. digital cash