文档介绍：Part II prehension (35 minutes)
Passage One
Questions 21 to 25 are based on the following passage.
There are good reasons to be troubled by the violence that spreads throughout the media. Movies, Television and video games are full of gunplay and bloodshed, and one might reasonably ask what’s wrong with a society that presents videos of domestic violence as entertainment.
Most researchers agree that the causes of real-world violence plex. A 1993 study by the . National Academy of Sciences listed “biological, individual, family, peer, school, munity factors” as all playing their parts.
Viewing abnormally large amounts of violent television and video games may well contribute to violent behavior in certain individuals. The es when researchers downplay uncertainties in their studies or overstate the case for causality (因果关系). Skeptics were dismayed several years ago when a group of societies including the American Medical Association tried to end the debate by issuing a joint statement: “At this time, well over 1,000 studies... point overwhelmingly to a causal connection between media violence and aggressive behavior in some children.”
Freedom-of-speech advocates accused the societies of catering to politicians, and even disputed the number of studies (most were review articles and essays, they said). When Jonathan Freedman, a social psychologist at the University of Toro