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