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Many Americans have been feeding a baby aspirin once a day, believing it would protect them from a heart attack, a stroke, and e
Many Americans have been feeding a baby aspirin once a day, believing it would protect them from a heart attack, a stroke, and e
admin
2022-11-16
265
问题
Many Americans have been feeding a baby aspirin once a day, believing it would protect them from a heart attack, a stroke, and even cancer. But several recent studies have 【C1】________this into question.
One large-scale study【C2】________more than 19,000 healthy people ages 65 and older. Participants were【C3】________assigned to take either 100 mg of aspirin (slightly more than the 81 mg dose that【C4】________people take) or a placebo (a harmless substance given to a sick person【C5】________medicine, without telling them it is not real) every day for an average of 4.7 years.【C6】________did people in the aspirin group not【C7】________their risk of heart disease, dementia, or disability, but they were also more【C8】________to suffer from significant bleeding in the digestive tract or brain. And they were more likely to die【C9】________apparently because of an increased risk of【C10】________cancer.
【C11】________, a trial of more than 12,500 people ages 55 and older【C12】________to have a moderate cardiovascular risk found no benefit to taking aspirin daily. In a study of more than 15,000 people with diabetes, a daily aspirin did【C13】________heart attacks and strokes, but it also【C14】________ major bleeding. And according to an analysis of data from more than 117,000 people,【C15】________ people needed larger doses of aspirin to help【C16】________their risk of heart attack, stroke, and cancer.
The bottom line: Although there is good【C17】________that aspirin can help people who have already had or are at【C18】________risk for heart attacks or strokes, the drug’s【C19】________is not so clear for people, especially older people, with less risk.【C20】________your doctor before starting—or stopping—aspirin.
【C9】
选项
A、overall
B、invariably
C、suddenly
D、always
答案
A
解析
本题空格处需要填入一个副词,需满足句意“……,似乎由于……癌症的风险增加,他们死亡的可能性更高”。本段第三句提到参与实验的人非但没有降低患病风险,反而增加了患其他疾病的可能性,由此可推断,最后很有可能会导致死亡,空格处为本段末句,所填副词起到归纳总结的作用。四个选项中只有A项overall“总体上”符合句意,故为答案。B项invariably意为“始终不变地,一贯地”;C项suddenly意为“突然地”;D项always意为“总是,始终”,三个选项代入原文均不符合句意,故排除。
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0
考研英语二
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