题目

阅读理解 People are more willing to change their mind about people they initially hold. Common wisdom holds that negative first impressions are hard to shake—and some research backs this up. But such studies often unfairly compare impressions based on immoral deeds that are extreme and relatively rare with impressions based on kindnesses that are more common. A new set of studies involving precisely balanced behaviors finds that people are more willing to change their mind about individuals who initially come off as selfish than about those they think selfless. In three of the experiments, 336 laboratory and online participants read about two people who each made a series of 50 decisions regarding how many electric shocks to give someone in exchange for money. One fictional subject required more money per shock than the average person did to inflict (施加) pain on others. The other's price-per-shock threshold (界限) was comparably lower than the average person's. Study participants read about each subject's decisions one at a time. Before seeing each decision, they predicted what it would be. After every three decisions the fictional subject made, participants rated the individual on a scale from "nasty" to "nice," and then specified their confidence in the rating. As expected, participants rated the person who gave shocks for a lower price as nastier than the higher-price shocker. But they expressed less confidence in the "nasty" ratings, and their predictions of how many shocks that person would give fluctuated (波动) more. In other words, their beliefs about the "bad" subject were more changeable. "A well-designed brain system would not write someone off completely at the first sign of trouble," says Molly Crockett, a psychologist at Yale University. The test scenarios (情况) are a far cry from real-world interactions. Still, the experiment offers "a really elegant pattern that drills down on a question that's so central to our everyday human life," says Peter Mende-Siedlecki, a psychologist at the University of Delaware. （1） According to the passage, what does the new set of studies find? A . Bad first impressions may be lasting. B . Bad first impressions are not set in stone. C . People often judge others by first impressions. D . People are reluctant to change first impressions. （2） What are the researchers' findings based on? A . The number of electric shocks someone was given. B . Some specific laboratory and online questionnaires. C . Comparisons between decisions made by two subjects. D . An analysis of information collected from participants. （3） The underlined phrase in Paragraph 4 means "______". A . very secure B . much different C . completely hidden D . almost withdrawn 答案： B D B

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