刷题刷出新高度，偷偷领先！偷偷领先！偷偷领先！ 关注我们，悄悄成为最优秀的自己！
单选题
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 1 this into question.
One large-scale study 2 more than 19,000 healthy people ages 65 and older.Participants were 3 assigned to take either 100 mg of aspirin (slightly more than the 81 mg dose that 4 people take) or a placebo (aharmless substance given to a sick person 5 medicine, without telling them it is not real) every day for an average of 4.7 years. 6 did people in the aspirin group not 7 their risk of heart disease,dementia, or disability, but they were also more 8 to suffer from significant bleeding in the digestive tract or brain.And they were more likely to die 9 , apparently because of an increased risk of 10 cancer.
11 , a trial of more than 12,500 people ages 55 and older 12 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 13 heart attacks and strokes, but it also 14 major bleeding.And according to an analysis of data from more than 117,000 people, 15 people needed larger doses of aspirin to help 16 their risk of heart attack, stroke, and cancer.
The bottom line：Although there is good 17 that aspirin can help people who have already had or are at 18 risk for heart attacks or strokes, the drug's 19 is not so clear for people,especially older people, with less risk. 20 your doctor before starting—or stopping—aspirin.
第1题答案是
A
B
C
D
使用微信搜索喵呜刷题，轻松应对考试！
答案：
解析：
空格处需要一个动词，结合语境可知此处指的是几项研究对人们给婴儿服用阿司匹林的这种做法提出质疑。thrown into question为固定搭配，意为“对……提出质疑”，符合句意和语境。因此，正确答案为C。
创作类型：
原创
本文链接：第1题答案是
版权声明：本站点所有文章除特别声明外，均采用 CC BY-NC-SA 4.0 许可协议。转载请注明文章出处。让学习像火箭一样快速，微信扫码，获取考试解析、体验刷题服务，开启你的学习加速器！
分享考题 
