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  3. Air pollution triggers more heart attacks than using cocaine and poses as high a risk of sparking a heart attack as alcohol, cof

Air pollution triggers more heart attacks than using cocaine and poses as high a risk of sparking a heart attack as alcohol, cof

admin2022-08-04  14
问题     Air pollution triggers more heart attacks than using cocaine and poses as high a risk of sparking a heart attack as alcohol, coffee and physical exertion. The findings, published in The Lancet journal, suggest population-wide【C1】________like polluted air should be【C2】________more seriously when looking at heart risks, and should be put into context beside higher but relatively【C3】________risks like drug use. Researchers combined data【C4】________36 separate studies and calculated the relative risk【C5】________by a series of heart attack triggers. They found that of the triggers for heart attack studied, cocaine is the most【C6】________to trigger an event in an individual,【C7】________traffic has the greatest population effect as more people are【C8】________to it. A report published late last year found that air pollution in many major cities in Asia【C9】________the WHO’s air quality guidelines and that toxic cocktails of pollutants【C10】________more than 530,000 premature deaths a year.
    While【C11】________smoking was not included in this study, the researchers said the effects of second-hand smoke were likely to be【C12】________to that of outdoor air pollution, and noted previous research which found that bans on smoking in public places have significantly【C13】________heart attack rates. British researchers said last year that a ban on smoking in public places in England【C14】________to a swift and significant drop in the number of heart attacks,【C15】________the health service 8.4 million pounds in the first year.
    【C16】________, what triggers the heart attack should be considered the "last straw." The【C17】________of heart disease that lead to a heart attack are【C18】________down over many years. If someone wants to【C19】________a heart attack they should focus on not smoking, exercising, eating a healthy diet and【C20】________their ideal weight.
【C19】
选项 A、remove
B、check
C、ease
D、avoid
答案D
解析 动词辨析题。根据空格后的should focus on not smoking和eating a healthy diet：可知，此空应该是表示 “避免”心脏病发作，故选D项avoid“避免”。A项remove“移开；去除”一般接具体的某个物体，而不接“心脏病发作”。B项check “检查”填入空格为“检查心脏病发作”，这跟下文“应该专注于不抽烟……”语义上完全不相关。C项ease“减轻”一般也不接“心脏病发作”。
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