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  3. If you can’t resist the chance to put on a bet, blame your insula—a region of your brain. Scientists think that when this brain

If you can’t resist the chance to put on a bet, blame your insula—a region of your brain. Scientists think that when this brain

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问题     If you can’t resist the chance to put on a bet, blame your insula—a region of your brain. Scientists think that when this brain area is overactive, the heart rules our head and we can’t help but【C1】________our losses.
    The Cambridge University researchers said: "Future treatments for gambling addiction could seek to reduce this overactivity, either by drugs or psychological techniques." The researchers made the【C2】________after asking people with various brain injuries and healthy people play slot machine and roulette (a gambling game). A near miss on the slot machines made the players,【C3】________those with the damaged insulas, extra-keen to try their luck again.【C4】________, all of the players, apart from those with faulty insulas, made a【C5】________mistake when playing roulette. Dr Luke Clark from the University of Cambridge, who led the research, explained that during gambling games, people often【C6】________their chances of winning【C7】________a number of errors of flunking called【C8】________distortions. For example, ’near-misses’ seem to encourage further play,【C9】________they are no different from any other loss. In a【C10】________sequence like tossing a coin, a【C11】________of one event (heads) makes people think the other【C12】________(tails) is due next; this is known as the ’gambler’s fallacy’.
    There is increasing【C13】________that problem gamblers are particularly prone to these erroneous beliefs. By studying these people, the researchers found that all of them—【C14】________the exception of the patients with insula damage—reported a【C15】________motivation to play following near-misses in the slot machine game, and also fell【C16】________to the gambler’s fallacy in the roulette game.
    The finding, which is published in the journal Proceedings of the National Academy of Sciences, suggests that the insula, which is【C17】________in gut feelings and decision-making, is key to the psychology of gambling. "Based on these results, we【C18】________that the insula could be overactive in problem gamblers, making them more【C19】________to these errors of thinking," said Dr Clarke. "Future treatments for gambling addiction could seek to reduce this overactivity, either by drugs or by psychological techniques like mindfulness【C20】________."
【C7】
选项 A、regardless of
B、due to
C、apart from
D、in exchange for
答案B
解析 上下文语义表明人们经常错误地判断自己的取胜机会，这当然是由人们的错误思想所致。因此，可判断空格后a number of errors of thinking是整个句子中表示原因的部分。B项due to“因为”符合逻辑和语义要求。A项regardless of“不顾，不管”、C项apart from“除……之外”和D项in exchange for “作为……的交换”都不能说明空格后的内容是前一部分的原因。
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