单选题

• 1、

  Benefits of implementing EDI include( ).

• 2、

  The combination of the protocol name and the domai

• 3、

  ( )requires signing up with an ISP, which serves

• 4、

  specifies the format of a mail message and describ

• 5、

  ( )occurs when one business transmits computer-re

• 6、

  Electronic commerce refers to business activities

• 7、

  The two primary protocols on which the Internet is

• 8、

  请选择意思最为贴近的翻译语：Good to the last drop. (麦斯威尔咖啡)( )

• 9、

  A person can visit a ( ) at any time or at any po

• 10、

  The economic model that enables consumers to sell

• 11、

  A packet-switched network, files and E-mail messag