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 moderately 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 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 disgrace.The 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 success.Teachers,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. 1 A.denied B.conduced C.doubled D.ensured 3A.Instead B.However C.Likewise D.Therefore 5A.impact B.relevance C.assistance D.concern 7A.measures B.determines C.equals D.modifies 8A.in essence B.in contrast C.in turn D.in part 9A.complicated B.conservative C.variable D.straightforward 12A.start B.quality C.retire D.stay 11A.shape B.spirit C.balance D.taste 13A.strange B.changeable C.normal D.constant 15A.employed B.pictured C.imitated D.monitored 16A.united B.combined C.settled D.associated 17A.Even B.Still C.Yet D.Only 18A.despised B.corrected C.ignored D.grounded 19A.discussions B.businesses C.policies D.studies 20A.for B.against C.with D.without 6A.in terms of B.in case of C.in favor of D.in of 10A.so B.while C.since D.unless 14A.option B.reason C.opportunity D.tendency 2A.protective B.dangerous C.sufficient D.troublesome 4A.indicator B.objective C.origin D.example