問題詳情
Passage 4 Obesity is a common health problem. The criteria for obesity vary considerably. One simple,intermediate criterion is to classify people as obese if their weight exceeds their ideal body weight by20%. If this criterion is used, 31% of men and 35% of women in the United States qualify as obese.Many experts prefer to assess obesity in terms of body mass index (BMI)—weight (in kilograms)divided by height (in meters) squared (kg/m2). This increasingly used index of weight controls forvariations in height. A BMI of 25.0-29.9 is typically regarded as overweight, and a BMI over 30 isconsidered obese. Although American culture seems to be obsessed with slimness, recent surveysshow surprisingly sharp increases in the incidence of obesity. If a BMI over 25 is used as the cutoff,over 50% of American adults are struggling with weight problems! Obesity is similar to smoking in that it exerts a relatively subtle impact on health that is easy formany people to ignore. Nevertheless, the long-range effects of obesity can be quite dangerous.Obesity is a significanthealth problem that elevates one’s mortality risk. Overweight people are more vulnerable than othersto heart diseases, diabetes, hypertension, respiratory problems, gallbladder diseases, stroke, arthritis,muscle and joint pain, and back problems.
【題組】42.Which of the following is NOT discussed in the passage?
(A) Obesity rate in the United States
(B) Causes of obesity
(C) Measures of obesity
(D) Effects of obesity
參考答案
答案：B
難度：簡單0.736842
統計：A(0),B(14),C(3),D(1),E(0)