题目内容
_______ do not use streaming technology and are used to download media files to your computer.
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Which of the following is a website specially designed to allow visitors to use their browser to add, edit, or delete the site's content?
These special programs continually look for new information and update the databases used by search services.
When you enter a keyword or phrase into a search engine the results display as a list of these.
This type of e-commerce often resembles the electronic version of the classified ads or an auction.
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