雅思机经听力试题--关于肥胖问题的调查及答案解析.doc

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1、雅思机经听力试题-关于肥胖问题的调查及答案解析(总分：15.00，做题时间：120 分钟)一、调查的重点人群(总题数：1，分数：3.00)Listen to the conversation and complete the following sentences with NO MORE THAN THREE WORDS.（分数：3.00）(1).There were 1 people being interviewed around the Bay Area.（分数：1.00）填空项 1:_(2). 1 take in the most amount of fat and are more

2、 likely to suffer from obesity.（分数：1.00）填空项 1:_(3).The survey also aims to find out adults 1 towards obesity.（分数：1.00）填空项 1:_二、调查对象的分组方式(总题数：1，分数：1.00)1.Which two of the following aspects are not the bases of group division in this survey?（分数：1.00）A.having children or notB.ageC.incomeD.education bac

3、kgroundE.physical condition三、调查形式(总题数：1，分数：2.00)Listen to the statement and circle the appropriate letter.（分数：2.00）(1).Which of the following statements is right about BMI?（分数：1.00）A.It is short for Baby Mass Index.B.It is used to measure our weight and our health condition.C.It refers to a persons

4、height in meters divided by his/her weight in kilograms.(2).The survey was done via the following ways except _ .（分数：1.00）A.questionnaireB.telephone interviewC.studying previous documents四、儿童肥胖问题产生的原因(总题数：1，分数：6.00)Listen to the statement and complete the blanks below. Use up to three words. （分数：6.0

5、0）填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_填空项 1:_五、肥胖问题调查的局限性之一(总题数：1，分数：2.00)Listen to the conversation and circle the appropriate letter.（分数：2.00）(1).According to the result, the increase of obesity rate is the highest among _ .（分数：1.00）A.people aged 9-16B.people aged 12-17C.people aged 3-9(2).The man

6、thinks the result they got is not that accurate because _ .（分数：1.00）A.the conclusion they made is too shocked to believeB.the number of children accepting the interview is not enoughC.the number of children they intended to interview is not enough六、肥胖问题调查的局限性之二(总题数：1，分数：1.00)2.The man thinks that th

7、e survey is a total failure because of the limitations that _ .（分数：1.00）A.the survey he is doing is meaningless.B.the answers to the questionnaires are all the same.C.he cannot withdraw all the questionnaires.D.the answers would be easily influenced by respondents friends.E.the answers will become o

8、utdated with time going by.雅思机经听力试题-关于肥胖问题的调查答案解析(总分：15.00，做题时间：120 分钟)一、调查的重点人群(总题数：1，分数：3.00)Listen to the conversation and complete the following sentences with NO MORE THAN THREE WORDS.（分数：3.00）(1).There were 1 people being interviewed around the Bay Area.（分数：1.00）填空项 1:_ （正确答案：about 6,000）解析：ma

9、n: What have you done recently? woman： I have been working on a survey on the obesity problem nowadays, which is called National Health and Nutrition Examination Survey. man： Obesity? It is elevated to a serious problem as peoples living standard has improved. So how does the survey go? woman： Well,

10、 we interviewed about 6,000 people of different ages and from different walks of life mainly from the Bay Area. man： I see, so what have you found? woman： According to the survey, teenagers consume more fat than other age groups. Approximately 17% of the teenagers that have been interviewed are over

11、weight. And teenagers are also at higher risk of suffering from obesity. man： Indeed. In that case, parents should pay more attention not only to what their children eat, but also to how much they take in. woman； Yeah! The survey also focuses on adults knowledge and attitudes related to obesity and

12、their own childrens weight and lifestyle.(2). 1 take in the most amount of fat and are more likely to suffer from obesity.（分数：1.00）填空项 1:_ （正确答案：Teenagers）解析：(3).The survey also aims to find out adults 1 towards obesity.（分数：1.00）填空项 1:_ （正确答案：knowledge and attitudes）解析：二、调查对象的分组方式(总题数：1，分数：1.00)1.Wh

13、ich two of the following aspects are not the bases of group division in this survey?（分数：1.00）A.having children or not B.ageC.incomeD.education backgroundE.physical condition 解析：As a representative sample, 1,175 randomly selected adults in the Bay Area were interviewed by telephone between November 1

14、1 and December 22, 2003. This includes 292 parents with children in Kindergarten through the 12th grade. They are divided into several groups according to their age, race, income, and education background. They were asked to answer questions about their basic physical condition and knowledge of obes

15、ity. The interviewing was conducted by International Communications Research of Media. The surveys margin of sampling error is plus or minus 3.4 percentage points overall.三、调查形式(总题数：1，分数：2.00)Listen to the statement and circle the appropriate letter.（分数：2.00）(1).Which of the following statements is

16、right about BMI?（分数：1.00）A.It is short for Baby Mass Index.B.It is used to measure our weight and our health condition. C.It refers to a persons height in meters divided by his/her weight in kilograms.解析：Obesity is one of the growing ailments in the world today that affects a large chunk of the popu

17、lation mainly in developing countries. Obesity can be measured by a calculation of BMI, namely Body Mass Index, which equals a persons weight in kilograms divided by their height in meters squared. Obesity in children and adolescents is defined as a BMI greater than the 95th percentile. Last week, a

18、 brand-new survey was carried out around the city via questionnaires accompanied with telephone interviews. The obesity questionnaire can help people find out whether they are on the threshold to obesity or are already obese and how to overcome this disorder which can have far reaching consequences

19、on their health. (2).The survey was done via the following ways except _ .（分数：1.00）A.questionnaireB.telephone interviewC.studying previous documents 解析：四、儿童肥胖问题产生的原因(总题数：1，分数：6.00)Listen to the statement and complete the blanks below. Use up to three words. （分数：6.00）填空项 1:_ （正确答案：behaviorally）解析：The

20、 causes of obesity are complex and include genetic, biological, behavioral and cultural factors. Obesity occurs when a person eats more calories than the body burns up. If one parent is obese, there is a 50 percent chance that their children will also be obese. However, when both parents are obese,

21、their children have an 80 percent chance of being obese. Although certain medical disorders can cause obesity, less than 1 percent of all obesity is caused by physical problems. Obesity in childhood and adolescence can be related to poor eating habits such as drinking too much milk, lack of exercise

22、, medications like steroids, some psychiatric medications, stressful life events or changes such as separations, divorce, moves, deaths, abuse, or other emotional problems. If parents have no time to control their childrens diet, the occurrence of the obesity should be watched.填空项 1:_ （正确答案：calories

23、）解析：填空项 1:_ （正确答案：50 percent (or 50%)）解析：填空项 1:_ （正确答案：less than 1%）解析：填空项 1:_ （正确答案：drinking milk）解析：填空项 1:_ （正确答案：time）解析：五、肥胖问题调查的局限性之一(总题数：1，分数：2.00)Listen to the conversation and circle the appropriate letter.（分数：2.00）(1).According to the result, the increase of obesity rate is the highest amon

24、g _ .（分数：1.00）A.people aged 9-16B.people aged 12-17 C.people aged 3-9解析：man: Recently, I have done a survey on obesity among children and adolescents. woman： Oh, interesting. Whats the result? man： It shows that about 16 percent of children and adolescents we have interviewed are obese. Among them,

25、the largest increase in obesity rate over the past 5 years occurred among adolescents aged 12 to 17 with the rate increasing from 3% to 9%. woman: Childhood obesity is a serious problem! Some days ago, I learned from another survey that unhealthy weight gain due to poor diet and lack of exercise is

26、responsible for over 300,000 deaths each year. man: Yes, we are all shocked by the conclusion we have made through our survey. But due to some limitations, we cannot get more accurate results. woman： Er. Whats wrong with it? man： Well, weve planned to interview about 1,000 children at first, but onl

27、y about three quarters of them answered our calls. So the number of children involved is not large enough.(2).The man thinks the result they got is not that accurate because _ .（分数：1.00）A.the conclusion they made is too shocked to believeB.the number of children accepting the interview is not enough

28、 C.the number of children they intended to interview is not enough解析：六、肥胖问题调查的局限性之二(总题数：1，分数：1.00)2.The man thinks that the survey is a total failure because of the limitations that _ .（分数：1.00）A.the survey he is doing is meaningless.B.the answers to the questionnaires are all the same.C.he cannot w

29、ithdraw all the questionnaires.D.the answers would be easily influenced by respondents friends. E.the answers will become outdated with time going by. 解析：woman： Hi, Mathew. I heard that you are doing a research on childhood obesity, arent you? man： Yes, indeed. Ive been trapped in this matter for a

30、long time. woman： Glad that you are doing something meaningful. Anyway, how is it going? man： Id like to say, not very well. I am thinking maybe I have done it wrong. Maybe I can never get a conclusion, it is a total failure. woman： Whats the matter? man： You know, I distributed some questionnaires

31、in a primary school nearby. Then the problems began. woman： Yeah? If the questionnaires are not proper, why not get them back? man： Not quite true. I asked the teachers to supervise the students to ensure that each and every questionnaire would be filled out. But what really worries me is that I hav

32、e got lots of similar or even exactly the same answers. woman： Oh, the children must copy their friends or classmates. man： That is right. It is unavoidable to be influenced by their friends. Besides, I found the data weve got is not that accurate anyway. woman： Oh, how is that possible? man： Well, as children grow older, the influence of certain factors on obesity will decrease, so the answers weve got from the questionnaires might be out of date soon. Things are always changing.