填空题

The human body is a remarkable food processor. As an adult, you may consume (36) a ton of food per year and still not (37) or lose a pound of body weight. You are (38) harnessing, and consuming energy through the intricate (39) of your body in order to remain in energy balance. To (40) a given body weight, your energy input must balance your energy out put. However, sometimes the (41) energy balance is upset, and your (42) body weight will either fall or (43) . The term body image refers to the mental image we have of our own physical appearance, and (44) . Research has revealed that about 40 percent of adult men and 55 per cent of adult women are dissatisfied with their current body weight. (45) . At the college level, a study found that 85’percent of both male and female first year students desired to change their body weight. (46) . Thinness is currently an attribute that females desire highly. Males generally desire muscularity. The vast majority of individuals who want to change their body weight do it for the sake of appearance: most want to lose excess body fat, while a smaller percentage of individuals actually want to gain weight.