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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  3
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.
【C12】
选项 A、related
B、subject
C、similar
D、prior
答案C
解析 固定搭配题。此处将二手烟的影响与户外空气污染的影响联系起来。上一段末句提到研究报告指出了空气污染造成的影响，这里则承接上文以表转折的while引出二手烟的影响。根据“虽然此项研究并没有包括________吸烟”和the effect of second-hand smoke，推断此处想表达“二手烟的影响”与“户外空气污染的影响”存在相似性，故选C项be similar to“相似”。从上面分析可知，“二手烟的影响”与“户外空气污染的影响”只是存在相似性，并不相关联，故A项be related to“与……相关联”不正确。B项be subject to“遭受，经历”代入空格，句意不通。原文并未提及“二手烟的影响”与“户外空气污染的影响”的先后顺序，故D项be prior to“在……之前”也排除。
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