填空题

Questions 47 to 56 are based on the following passage.
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 hours a week on the Internet (47) more depression and loneliness than those who logged on less (48) , 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 (49) to cause the bad feelings.
Researchers are puzzling over the results, which were completely (50) to their expectations. They expected that the Net would prove socially healthier than television, since the Net (51) users to choose their information and to communicate with others.
The fact that Internet use reduces time available for family and friends may (52) for the drop in well-being, researchers hypothesized. Faceless, bodiless "virtual" communication may be less psychologically satisfying than (53) conversation, and the relationships formed through it may be (54) . Another possibility is that (55) 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, virtually; 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 (56) of how you design applications and services for technology."

• A) experiencedI) terms
• B) subsequentlyJ ) contrary
• C) actual K) exposure
• D) testified L) occurred
• E) appeared M) allows
• F) admits N) shadowy
• G) shallow O) account
• H) frequently