2. 外语
  3. To be obese means to have too much fat in the body. Obese people are not just overweight. Such people are likely to suffer healt

To be obese means to have too much fat in the body. Obese people are not just overweight. Such people are likely to suffer healt

admin2019-08-04  46
问题
    To be obese means to have too much fat in the body. Obese people are not just overweight. Such people are likely to suffer health problems. The precise cause of obesity is a problem in most countries. People need to understand what obesity is and how to tell if they are obese, so that they can change their condition.
    An obese person does not have to look extremely fat. Even people who seem only slightly overweight can actually be considered obese. If a person has a certain amount of fat, 40% of the body’s total composition, then their health might be in danger. Finding a person’s exact fat percentage is troublesome. Most people still rely on their weight measurement to tell them if they are overweight or obese. There are problems with this method, however. There are recommended weights for different ages. In addition, weight alone says nothing about a person’s percentage of body fat. People have different body types, which can make weight measurements unreliable. For instance, athletes usually have more muscle mass than other people. Muscle weighs more than fat. Therefore, an athlete may weigh more than their recommended weight, but this does not mean they are not healthy.

    Probably the most popular method of determining body fat today is the Body Mass Index(BMI). BMI is a person’s weight(in kilograms)divided by the square of his or her height(in metres). For men, a BMI of 24 to 27 is normal. For women, it is 23 to 26. A BMI of 30 or more means a person is obese. Many experts feel that BMI is a reliable way to determine if a person’s weight is unhealthy. However, others feel that BMI is too general to be really useful.
    Despite the criticisms, there are strong positive aspects of BMI. The main one is that it is very simple. The measurement can be performed easily. It does not take special knowledge or equipment. Though BMI is a general measurement, it still gives useful information. It can also suggest that there might be a problem.
Questions 71—75
Complete the summary with a maximum of two words from the passage, changing the form where necessary.
    If a person weighs a lot, others may【R1】______that person obese. But using only a person’s weight is not the best method for【R2】______obesity. Now people use another method【R3】______if a person has a healthy or unhealthy weight. The new method is measured on the Body Mass Index(BMI). The BMI compares a person’s weight with her/his【R4】______and the resulting number is indexed with average people. The BMI is not a precise tool for measuring obesity, but it has many strong positive aspects, such as being easy to use, to give【R5】______about a person’s body.
【R4】
选项
答案height
解析 (文章第三段提到了测量肥胖的新的方法，其中第二句提到提到，“BMI is a person’sweight(in kilograms)divided by the square of his or her height(in metres)．”由此可知，BMI同时考虑了体重和身高的因素。因此本题填入height。)
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