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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
158
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.
【C17】
选项
A、guidance
B、evidence
C、expectation
D、phenomenon
答案
B
解析
本题空格处需要填一个名词,满足句意“尽管有充分的……表明,阿司匹林可以帮助那些已经患有心脏病或中风……的人”。本句为although引导的让步状语从句,空格处名词由good修饰,作表语,且后面由that引导的从句修饰,从句旨在说明阿司匹林的积极作用,同时也是对上一段末句研究结果的呼应,即有“证据”说明阿司匹林的有效性,四个选项中只有B项evidence“证据,证明”符合句意,故为正确答案。A项guidance意为“指导,引导”;C项expectation意为“期盼,期望”;D项phenomenon意为“现象”,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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