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上期划线句答案
They designed a 3-D printed tool they call the Papermachete, which, when loaded with a strip of printer paper, acts as a single-use knife.
他们设计了一款名为“Papermachete”（纸刀）的3D打印工具，当装入一条打印纸带时，它可以当作一次性刀具使用。
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本期内容
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双语阅读
Para.1
If you’ve long assumed that you must deprive yourself of delicious foods in order to be healthy, a new study published today in The BMJ offers encouraging news: Eating dark chocolate has been associated with a reduced risk of developing Type 2 diabetes.
Para.2
The research did not prove that the chocolate itself was responsible for this health benefit; it could be something else about the people who ate dark chocolate that made them less likely to develop diabetes. And dark chocolate should not be considered a “magic bullet” for preventing diabetes, said Dr. Qi Sun, an associate professor of nutrition and epidemiology at the Harvard T.H. Chan School of Public Health and the lead investigator on the study. But the findings do build on a larger body of research demonstrating links between dark chocolate consumption and reduced risks of certain health conditions like high blood pressure, cardiovascular disease and insulin resistance.
Para.3
While the study was large and well-designed, it could not prove cause and effect, said Dr. Susan Spratt, a professor of medicine in the division of endocrinology, metabolism and nutrition at the Duke University School of Medicine, who was not involved with the study. Perhaps the people who consumed dark chocolate were healthier in other ways, she said. Maybe they exercised more, followed a healthier diet or could more easily visit a doctor when they needed to, for example.
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The study group was also mostly white and well-educated, so the results may not apply to everyone, Dr. Sun and his coauthors noted. The researchers accounted for many factors related to diet, lifestyle, education and wealth in their analysis, Dr. Sun said. But proving that eating dark chocolate prevented Type 2 diabetes would require a clinical trial on a large group of people, giving half dark chocolate and the other half milk chocolate, and following them for decades.
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Cocoa is a bean extract that is rich in fiber and beneficial plant-based compounds called flavonoids, said Dr. Dariush Mozaffarian, a cardiologist and the director of the Food is Medicine Institute at Tufts University, who was not involved with the study. Some research suggests that flavonoids have antioxidant and anti-inflammatory effects and might help to open blood vessels, which may explain cocoa’s health benefits, he said.
本文节选自：The New York Times（纽约时报）
发布时间：2024.12.4
作者：Alice Callahan
原文标题：Could Dark Chocolate Reduce Your Risk of Diabetes?
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写作句总结
原句：The research did not prove that the chocolate itself was responsible for this health benefit.
结构：Sth did not prove that X was responsible for Y.
例句：Diligent practice does not guarantee that a musician will become famous.
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阅读理解题
Which of the following statements about the relationship between dark chocolate consumption and health is most accurate according to the provided sources?
A. Eating dark chocolate has been definitively proven to prevent Type 2 diabetes.
B. The flavonoids in dark chocolate have been shown to cure cardiovascular disease.
C. Consuming dark chocolate may be associated with a lower risk of some health conditions, but more research is needed.
D. The health benefits of dark chocolate are limited to individuals who are white and well-educated.
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全文概括
A new study suggests a correlation between dark chocolate consumption and a reduced risk of type 2 diabetes, although it does not definitively prove causation. Researchers acknowledge that other lifestyle factors could be responsible for this association. The study's limitations include a predominantly white and well-educated participant group, potentially limiting generalizability. While not a "magic bullet," the findings align with previous research linking dark chocolate to various health benefits, potentially due to the flavonoids in cocoa. Further research, such as a large-scale clinical trial, is needed to establish a causal link.
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打卡作业
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