2. 考研
  3. A single night of taking the drug Ecstasy can cause serious brain damage and hasten the【C1】______of Parkinson’ s disease, scient

A single night of taking the drug Ecstasy can cause serious brain damage and hasten the【C1】______of Parkinson’ s disease, scient

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问题     A single night of taking the drug Ecstasy can cause serious brain damage and hasten the【C1】______of Parkinson’ s disease, scientists say. Just two to three Ecstasy tablets-a quantity that thousands of clubbers take during raves-can permanently【C2】______brain cells that affect movement and【C3】______, according to American research that【C4】______the drug to Parkinson’ s for the first time.
    A study by a team at Johns Hopkins University in Baltimore, Maryland,【C5】______monkeys and baboons found that both species of primate【C6】______irreversible damage to key cells【C7】______dopamine neurons, which are lost in Parkinson’ s, after receiving three low doses of Ecstasy at three-hour【C8】______.
    The study is particularly significant because baboons are one of the best animal models for the human 【C9】______. George Ricaurte, who led the research, said that widespread【C10】______of the drug may already be【C11】______ victims of such neurological damage. "The most troubling【C12】______is that young adults using Ecstasy may be 【C13】______ their risk for developing Parkinsonism as they get older."
    Alan Leshner, a former director of the US National Institute on Drug Abuse, said: "This study emphasizes the multi-faceted damage that Ecstasy can do【C14】______users. We’ve long known that repeated use damages serotonin brain cells. This study shows that even very【C15】______use can have long-lasting effects【C16】______ many different brain systems. It sends an important message to young people: don’t 【C17】______with your own brain."
    Janet Berts, the Essex mother whose daughter Leah died after a single Ecstasy tablet in 1995, said: "This comes as no【C18】______. People can’t see the effects at first, and they’re in permanent denial, saying it’s not going to happen to them. But we’ ll see the【C19】______ later, just as we have【C20】______moking."
【C11】
选项 A、requiring
B、claiming
C、doing
D、enduring
答案B
解析 考查动词辨析。B．claiming表示“索取，夺走”，暗指采用一种貌似合理的暴力手段取走，此处是指吸毒可能已经夺走了一些神经系统遭受重大伤害的无辜者的生命，所以选择该词，其他三项均不合文意。
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