北京成人本科学位英语考试真题及其答案详尽解析Word文档下载推荐.docx

1、s been a lot of research into whether coffees good for our health the results have really been mixed, admits Neal freedman who led the coffee study and published his findings in a medical journal recently.Theres been some evidence that coffee might increase the risk of certain diseases and theres al

2、so been maybe more recent evidence that coffee may protect against other diseases as well。Freedman and his colleagues undertook the biggest study yet to look at the relationship between coffee and health They analyzed data collected from more than 400,000 Americans ages 50 to 71 participating in the

3、 study We found that the coffee drinkers had a modestly lower risk of death than the non-drinkers ,he said .Heres what he means by modestly:those who drank at least two or three cups a day were about 10 percent or 15 percent less likely to die for any reason during the 13 years of the study when the

4、 researchers looked at specific causes of death ,coffee drinking appeared to cut the risk of dying from heart disease lung disease injuries ,accidents and infectionsNow ,Freedman stressed that the study doesnt prove coffee can make people live longer. A study like this can never prove a cause-and-ef

5、fect relationship （77）All it can really do is to point researchers in the right direction for further investigation And even if it turns out that coffee is really good for you, scientists have no idea why似乎每天都有关于我们喜爱的饮料是否对我们的身体有益的研究。（76）今天，科学研究声称每天喝一杯红酒会延年益寿。第二天，可能就会有不同的说法了。似乎新闻记者们对关于酒的研究十分感兴趣，同样对咖啡

6、也是如此。如今，很多人都在研究咖啡是否对人体有益。“得到的结果非常复杂，”尼尔 弗里德曼承认说，他最近曾领导了一项咖啡研究，并在一家医学杂志上发表了他的调查结果。“有一些证据表明咖啡可能会增加人患某些疾病的危险，同时还有一些更新的证据显示：咖啡同样会预防其他的一些疾病。”弗里德曼和他的同事们进行着迄今为止着眼于咖啡和人体健康之间的关系的最大的一次研究。他们分析了采自参与该研究的年龄在50到71岁之间的40万多名美国人的资料。他说：“我们发现喝咖啡的人比不喝咖啡的人有着较小的低死亡风险。”下面是他说的“较小的”含义：在该项研究所经历的13年里，那些每天至少喝2到3杯咖啡的人（比不喝咖啡的人）无论

7、什么原因都少了10%或15%的机会面对死亡。当研究人员审视那些令人死亡的具体原因时，发现喝咖啡明显地减少了因心脏病、肺病、外伤和感染等引起的死亡的风险。如今，弗里德曼强调说，该项研究并没有证明咖啡能够使人长寿。像这样的研究根本就不可能证明出一个因果关系出来。它所能做到的只是指引研究人员向正确的方向进一步展开研究。而且，即使最后得出咖啡对人体有益的结论，科学家们也不知道那是为什么1 According to the first paragraph, reporters would like to know the research findings of _A . tea B. beer C.

8、alcohol D. Coffee1.【答案】D。细节题。由题干可以定位到第一段。根据第一段It seems journalists are pretty interested in wine research and the same might be said for coffee.。可知新闻工作者们（journalists），即题干中的reporters Grimm，对酒（wine）和咖啡（coffee）的研究感兴趣，选项中只有coffee，因此选择D。2According to the passage, which of the following is TRUCE?A Freedma

9、n and his colleagues hired 400,00 Americans to collect date。B About four hundred thousand Americans worked for Freedmans team full time for 13 years。C People Who took part in Freedmans research are about 50 to 70 years old 。D People Who are 50 to 70 years old seldom drink coffee2. 【答案】C。根据第二段They an

10、alyzed data collected from more than 400,000 Americans ages 50 to 71 participating in the study，可知选项C正确，故为答案3 According to the author, scientists_。A have already proved that coffee is good for human healthB have a long way to go before they find a way to study coffeeC have avoided the cause -and -ef

11、fect approach to study coffeeD are still unable to figure out why coffee is good for us3. 【答案】C。根据第三段的A study like this can never prove a cause-and-effect relationship. All it can really do is to point researchers in the right direction for further investigation.可知弗里德曼的研究已经得出不能证明a cause-and-effect r

12、elationship的结论，以后科学家们可以避免用这种方法研究咖啡，所以选项C为答案。4 The word mixed in the first paragraph means_A both good and bad B. put togetherC. both sharp and soft D. Confused4. 【答案】A。词汇解释题。由题干定位到第一段的内容。Neal freedman承认说研究结果“have really been mixed”，他接着说道“Theres also been maybe more recent evidence that coffee may pr

13、otect against other diseases as well.”可知，研究证据显示了两种不同结论：咖啡增加患一些病的风险和咖啡抵御患另一些病的风险。所以A为答案5.Which of the following is an appropriate title for this passage?A. Can Beer Help You Live Longer?B. Can Coffee Help You Live Longer?C. Can Whine Help You Live Longer?D. Can Tea Help You Live Longer?5. 【答案】B。主旨题。文章虽然在第一段提到了酒（wine），但是通篇都是在谈论弗里德曼对咖啡和人体健康的关系的研究，所以B为答案。文章没有提到啤酒（Beer）和茶（Tea）。Passage 2Questions 6 to 10 are base