[外语类试卷]大学英语六级模拟试卷594(无答案).doc
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1、大学英语六级模拟试卷 594(无答案)一、Part I Writing (30 minutes)1 For this part, you are allowed 30 minutes to write a composition on the topic: On college Students Renting Houses off Campus. You should write at least 150 words following the outline given below in Chinese:1. 眼下大学生在外租房居住的现象十分普遍2. 对比分析在外租房居住和在学校座的利弊3
2、. 我的看法On college Students Renting Houses off Campus二、Part 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 attached to the passage. For questions 1-4, mark:Y (for YES) if the statem
3、ent agrees with the information given in the passage;N (for NO) if the statement contradicts the information given in the passage;NG (for NOT GIVEN) if the information is not given in the passage.1 FatAdult fat rates have almost quadrupled in the last 25 years. Not 22% of Britons are fat and three-q
4、uarters are overweight. The number of fat tripled in 20 years. 10% of six year olds are fat, rising to 17% of 15 year olds. Becoming fat can lead to health problems, including arthritis, heart disease and diabetes; What is Fat?Your “body mass index“ or BMI is a measure of, body fat based on height a
5、nd weight.A BMI of:Under 20 = underweight20 - 25 = normal25 - 30 = overweight30 + = fatSo, according to the formula, people are classed as fat if they have a body mass index over 30. They are overweight if it is 25 - 30.Reasons to Get FatFat functions as energy reservoir. It is 1aid down when food i
6、s plentiful and then converted back to energy when needed. Normal levels of fat are not a problem for the body. In fact, theyre necessary for it to function smoothly.On a basic level, people become fat when their caloric intake is higher than their calorie expenditure. However, a host of factors com
7、plicate this picture. An individuals genetics, metabolism, culture and lifestyle all have a role to play.Where is Fat Stored in the Body?Most fat is stored under the skin. But there is also some on top of your kidneys and inside your liver and muscles. Other body parts that gather fat depend on your
8、 gender: adult men: chest, waist adult women: breasts, waist and hipsFat tissue is made up of fat cells. These are like tiny plastic bags that hold droplets of fat. Fat cells are only formed in our childhood. They start growing while we are in our mothers pregnancy. The next stage of generation is d
9、uring puberty (青春期), when the sex hormones are triggered. It defines the areas in which the fat cells grow. The amount of fat the body wants to store is thought to be proportional to the total number of fat cells.After puberty, we do not grow any more fat cells. Our ceils just expand or shrink to ac
10、commodate the fat inside our bodies.The problem with Childhood FatIf a child becomes fat their body processes can change. Some of these may Be difficult or even impossible to alter in adulthood.Fat ceils are laid down in the first few years of life. If fat is stored quickly, more fat cells are creat
11、ed. So a fat child can have up to three times as many as a normal child. Eventually, fat cells stop multiplying and an adult has a fixed number for the rest of their life. The existing cells simply enlarge or shrink to accommodate more fat.Health problems for kids Few health problems are observed in
12、 obsess children. But they may develop conditions that cause problems later in life, such as high blood pressure.They may also suffer from “sleep apnoea (呼吸暂停)“. When this happens, soft tissue in the throat blocks the airways during sleep. This can stop their breathing for up to a minute. This proce
13、ss can happen hundreds of times a night, leading to heart disease, memory problems, headaches and fatigue.Diabetes risk Some fat children may develop type diabetes. Normally this condition only starts much later in life. When it strikes, the body stops being able to process sugar properly and the ce
14、lls are starved of energy. Type diabetes cannot be cured, but it can be treated. It may lead to complications such as nerve damage, heart disease, kidney disease and blindness. Children with this condition will have to live with it all their lives, increasing the chance of complications.What Treatme
15、nts Are Available?New drugs Current weigh-loss drugs are mainly amphetamine (安非他明,一种药品) based. They increase the amount of some hormones in the blood, lowering hunger levels. However, they are not suitable for long term use and side effects can include high blood pressure, anxiety and restlessness.
16、New drugs are being developed that may give greater weight loss with fewer side effects.Lifestyle changes New drugs may help people to lose weight, but the problem is keeping it off. Most people who lose weight on a calorie controlled diet put it on again. Only 5% of fat people manage to keep their
17、weight down. What is required is a complete change in lifestyle. More exercise, a healthier balanced diet and realistic expectations can help make the change permanent. To become healthier doesnt require huge weight loss.Advice on Childhood FatProfessor Jane Wardle, an expert on childhood fat, gives
18、 her advice-on helping children lose weight.(1) Should kids ever be made of finish whats on their plate? Dont force children to eat more when they say they are full otherwise they could lose their ability to naturally regulate what they eat. Before serving up a second portion, wait a few minutes. It
19、 takes some time for the messages that tell us we have had enough to eat to reach the brain.(2) Can giving kids food as a reward cause fat? Using food as a reward is never a good idea because your child will learn to value certain “treat“ foods and may turn to food for comfort. Use non-food rewards
20、instead they dont need to be large material rewards. One of the best motivators is praise!(3) Is it worth forbidding fattening foods? Forbidding certain foods can make them seem more attractive. Teach your child about the health value of foods, particularly those that are rich in vitamins and nutrie
21、nts. Make your home a healthy food zone. Fill up the fruit bowl instead of buying biscuits and crisps. Your child is likely to model themselves on your behavior, so choose healthy food options whenever possible.(4) Should I offer my child a choice of food? Research has shown that when there is more
22、choice available we tend to eat more. Even the sight or smell of tempting food can override the bodys natural mechanism of regulation so we eat when were not hungry. You might want to offer your child a choice, but keep the options to a minimum.(5) At what age should kids be treated for fat? Parents
23、 of even young children can make sure the family changes to a healthy lifestyle rather than targeting weight loss specifically. Children grow at different rates and many overweight children will “grow out of it“ as they grow taller. Few treatments are targeted at children under the age of seven year
24、s. From age 8 to 10, a child who is fat should have a medical evaluation to assess the severity of the problem. The older your child is, the less likely they are to grow out of it. A 15-year-old who is over-weight is likely to remain so in adulthood.2 “body mass index“ or BMI can be used to indicate
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- 外语类 试卷 大学 英语六级 模拟 594 答案 DOC
