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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
145
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.
【C7】
选项
A、limit
B、maintain
C、lower
D、increase
答案
C
解析
本题空格处需要填入一个动词,需满足句意“服用阿司匹林的那组人不仅没有……患心脏病、痴呆或残疾的风险……”。根据第一段末句的“但最近几项研究却对此提出了质疑”可知,研究结果应该是证明了服用阿司匹林对预防疾病没有效果或者用处不大。四个选项中只有C项lower意为“降低,使下降”符合本句的句意,故为答案。A项limit意为“限制,限定”;B项maintain意为“保持,维持”;D项increase意为“增加,增大”,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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