问题描述：
Internet use appears to cause a decline in psychological well-being, according to research at Carnegie Mellon University.Even people who spent just a few hour's a week on the Internet experienced more depression and loneliness than those who logged on less frequently, the two-year study showed. And it wasn't that people who were already feeling bad spent more time on the Internet, but that using the Net actually appeared to cause the bad feelings.
Researchers are puzzling over the results, which were completely contrary to their expectations. They expected that the Net would prove socially healthier than television, since the Net allows users to choose their information and to communicate with others.
The fact that Internet use reduces time available for family and friends may account for the drop in well-being, researchers hypothesized.Faceless, bodiless "virtual" communication may be less psychologically satisfying than actual conversation, and the relationships formed through it may be shallower. Another possibility is that exposure to the wider world via the Net makes users less satisfied with their lives.
"But it's important to remember this is not about the technology; it's about how it is used," says psychologist Christine Riley of Intel, one of the study's sponsors. "It really points to the need for considering social factors in terms of how you design applications and services for technology."
The word"well-being"is closest in meaning to?
A.Trouble B.Health C.Depression D.excitement
What is the intended conclusion of the research conducted by Carnegie?
A.Internet use may lead to mental dissatisfaction
B.Internet use is sure to cause a decline in mental well-being
C.people who spend just a few hours on the Internet will be happier
D.people who use TV are less socially healthier than those who use the Internet
Which of the following CANNOT explain the result of the research according to the passage?
A.Internet users may spend less time with their family and friends
B.the "virtual"communication may be less psychologically satisfying
C.Internet users may be less satisfied with their lives
D.Internet users make too many friends through the Internet
What lessons may be drawn from the result of the research?
A.we should not have developed the Internet technology
B.we should change the way we use the Internet
C.we need Internet technology very much
D.TV is more useful than the Internet
What is the best title for the passage?
A.the popularity of Internet use
B.the history of Internet use
C.the harm of Internet use
D.the fast development of Internet use
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