根据短文大意和所提供的首字母，完成短文，使短文内容完整。 Will it matter if you don't take your breakfast? A short time ago, a test was given in the United States. People of different ages, from 12 to 83, were asked to have a test. D   1 the test,these people were given all kinds of breakfasts and s   2 they got no breakfast at all. Scientists wanted. to see how w   3 their bodies worked when they had different kinds of breakfasts. The results show that if a person eats a right breakfast, he or she will work b  4 than if he or she has no breakfast. If a student has fruit,eggs,bread and milk before going to school,he will learn m   5_ quickly and listen more carefully in class. The results also show that having no breakfast will not help you lose weight. This is because people become so hungry at noon t   6__ they eat too much for lunch. So they will gain weight instead of losing weight.