题目内容
A(n) _______ engine is a specialized program that assists you in locating information on the web and the Internet.
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_______ 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.
_______ computing provides access to software, programs, and data from anywhere through an Internet connection.
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