2008年12月20日大学英语六级(CET-6)真题试卷(A卷)+听力原文+答案详解2008年12月20日大学英语六级(CET-6)真题试卷(A卷)+听力原文+答案详解.doc

2008年12月20日大学英语六级(CET-6)真题试卷(A卷) Part I Writing (30 minutes)Directions: For this part, you are allowed 30 minutes to write a short essay entitled How to improve psychological health? You should write at least 150 words following the outline given below.1. 学生心理健康的重要性2. 学校应该怎样做3. 学生自己应该怎样做How to improve psychological healthPart II Reading Comprehension (Skimming and Scanning) (15 minutes)Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1-7, choose the best answer from the four choices marked A), B), C) and D). For questions 8-10, complete the sentences with the information given in the passage.Supersize SurpriseAsk anyone why there is an obesity epidemic and they will tell you that its all down to eating too much and burning too few calories. That explanation appeals to common sense and has dominated efforts to get to the root of the obesity epidemic and reverse it. Yet obesity researchers are increasingly dissatisfied with it. Many now believe that something else must have changed in our environment to precipitate (促成) such dramatic rises in obesity over the past 40 years or so. Nobody is saying that the “big two” – reduced physical activity and increased availability of food – are not important contributors to the epidemic, but they cannot explain it all.Earlier this year a review paper by 20 obesity experts set out the 7 most plausible alternative explanations for the epidemic. Here they are.1. Not enough sleepIt is widely believed that sleep is for the brain, not the body. Could a shortage of shut-eye also be helping to make us fat?Several large-scale studies suggest there may be a link. People who sleep less than 7 hours a night tend to have a higher body mass index than people who sleep more, according to data gathered by the US National Health and Nutrition Examination Survey. Similarly, the US Nurses Health Study, which tracked 68,000 women for 16 years, fou