And chocolate, particularly dark chocolate, does contain antioxidants (抗氧化剂) which can help to wipe away harmful free radicals—unstable chemicals that can damage our cells. However, while there's no harm in allowing yourself a treat like chocolate now and again, eating too much might be harmful because it often contains a lot of sugar and fat too. And if you are looking to change your diet, you are likely to benefit most from eating more fresh fruit and vegetables. 文章大意:最新研究发现,经常吃巧克力有助于减肥,但大量食用会对健康有害。 1.What does the underlined word “that” in Paragraph 1 refer to? A.The study. B.The findings. C.The researchers.
D.The 1,000 US people. 答案:A 文章结构题。分析第一段第一句可知,that指的是这项研究的方法是观察了解这些人的饮食、摄入的热量和他们的体重指标,因此that指的是the study,故答案为A。 2.The results of the research indicate that what matters the
most is ________. A.when we eat chocolate B.how much chocolate we eat C.what type of chocolate we eat D.how often we eat chocolate 答案:D 推理判断题。根据第二段It found those who ate chocolate a few times a week were, on average, slimmer than those who ate it occasionally和第三段... regular chocolate consumption was related to lower BMI in the study...可推断,答案为D。 3.According to Dr Beatrice Golomb, the factors that influence weight include ________. A.the number and the components of antioxidants B.the quality and the number of calories C.the quality and the composition of calories D.the number and the composition of calories 答案:D 细节理解题。根据第五段... the composition of calories, not just the number of them, matters for determining their impact on weight可知,答案为D。 4.We can infer from the passage that both insulin and cholesterol ________. A.do harm to humans' health B.affect humans' weight C.have impact on humans' heart D.contain certain antioxidants 答案:C 推理判断题。根据第六段Other studies have claimed chocolate may be good for the heart和Consumption of certain types of chocolate... insulin sensitivity and cholesterol level可推断,它们是身体内对心脏有影响的物质,故答案为C。 5.What is the best choice to keep healthy according to the
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