题目

阅读理解 Do you love holidays but hate the increase weight that follows? You are not alone. Holidays are happy days with pleasure and delicious foods. Many people, however, are worried about the weight that comes along with the delicious foods. With proper planning, it is possible to control your weight. The idea is to enjoy the holidays but not to eat too much. You don't have to turn away from the foods that you enjoy. The following suggestions may be of some help to you. Do not miss meals. Before you leave home for a feast, have a small, low-fat snack. This may help to keep you from get下列函数中，属于反比例函数的是（ ）A．B．C．y=5-2D．y=x2+1