【答案与解析】本文是一篇说明文。文章主要介绍了为何单纯强调“少吃”的节食建议往往适得其反。36.E根据空前“..because it focuses on reducing calories without addressing how hunger and eating behavioractually work.”及空后“the weight and physical amount of food on their plate一rather than by countingcalories.”可知,E项“人们往往通过食物的体积来调节进食量”符合。37.A根据空后“‘Because people tend to have an idea of how much food is appropriate,’”可知,A项“我不赞同“少吃’这个建议”符合,它与后句构成因果关系。38.F根据空前“The problem is compounded(恶化)when those smaller portions are made up of calorie-densefoods-一like chips,or heavily processed meals..”可知,F项“这些食物体积小而能量密集”符合,F项的They指代前一句中的calorie-dense foods。39.D根据空前“That combination allows people to consume calories rapidly.”可知,D项“这发生在身体尚未及时反应前”符合。40.G根据空前“Timing plays a critical role.”及空后“It can take 15to20 minutes for stretch receptors in thestomach to register fullness.”可知,G项“告知大脑‘已吃饱'的信号并不会立即启动”符合。