单项选择题

The consumer group complained about ______.

A．special, fees that Internet users were charged
B．Federal Trade Commission
C．Commercial Alert
D．online search engines
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单项选择题
Which of the following is NOT a correct statement
A．There are too many pages or hyperlinks on the Internet, so people usually use search engine to find a certain site.
B．More than 8 search engines are accused of selling their search engine spots by Commercial Alert.
C．The headquarters of Commercial Alert is in Portland Oregon.
D．The search engines are Web guides.
单项选择题
All the following share one similarity EXCEPT ______.
A．LookSmart
B．CMGI
C．Altavista
D．Microsoft
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