有用精品文档2 / 43有用精品文档有用精品文档section i use of english directions: read the following text. choose the best word(s) for each numbered blank and mark a, b, c or d on answer sheet. (10 points) thinner isn’t always better. a number of studies have __1___ that normal-weight people are in fact at higher risk of some diseases compared to those who are overweight. and there are health conditions for which being overweight is actually ___2___. for example, heavier women are less likely to develop calcium deficiency than thin women. ___3___ among the elderly, being somewhat overweight is often an ___4___ of good health. of even greater ___5___ is the fact that obesity turns out to be very difficult to define. it is often defined ___6___ body mass index, or bmi. bmi ___7__ body mass divided by the square of height. an adult with a bmi of 18 to 25 is often considered to be normal weight. between 25 and 30 is overweight. and over 30 is considered obese. obesity, ___8___,can be divided into moder
ately obese, severely obese, and very severely obese. while such numerical standards seem 9 , they are not. obesity is probably less a matter of weight than body fat. some people with a high bmi are in fact extremely fit, 10 others with a low bmi may be in poor 11 .for 有用精品文档2 / 43有用精品文档有用精品文档example, many collegiate and professional football players 12 as obese, though their percentage body fat is low. conversely, someone with a small frame may have high body fat but a 13 bmi. today we have a(an) _14 _ to label obesity as a overweight are sometimes_15_in the media with their faces covered. stereotypes _16_ with obesity include laziness, lack of will power,and lower prospects for ,employers,and health professionals have been shown to harbor biases against the obese. _17_very young children tend to look down on the overweight, and teasing about body build has long been a problem in schools. negative attitudes toward