单项选择题

One of the reasons why half of PCs are not connected to the Web is that ______.

A．the software is not user-friendly
B．people have no interest in the Web
C．the Web information is not reliable
D．people are too busy to get connected to the Web

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热门试题

单项选择题

Electronic commerce becomes a new type of commerce when ______.

A．paper-based trading is moved on to the Web
B．the efficiency of the existing process is improved by the Internet
C．a Web site offers more goods than a store
D．new buyers and sellers find each other on the Internet

单项选择题

The use of computer will be much more widespread when ______.

A．the boundary between the computer and the TV disappears
B．electronic commerce brings about a fundamental change
C．computer and communication become simpler and cheaper
D．governments begin to move administration online