题目内容
"Wiki" comes from the Hawaiian word for _______.
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A(n) _______ engine is a specialized program that assists you in locating information on the web and the Internet.
_______ search engines focus on subject-specific websites and can save time by narrowing your search.
When evaluating a website's content, whether or not the information is up to date is considered part of the _______ element.
_______ cash is the Internet’s equivalent to traditional cash.
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