单项选择题


Going on a Diet
A typical person needs about 1,800 calories per day to stay alive. These calories keep your heart 1 and your lungs breathing. They keep your organs operating 2 and your brain running. They also keep your body warm. A person 3 weight because he or she takes in more calories per day than needed. The only way to lose fat is to 4 the number of calories that you take in per day. This is the basic 5 behind going on a diet.
6 , diets don’t work for most people. They do lose weight but then 7 the diet and put it back. Building a sensible diet and exercise plan is the key to 8 a consistent weight. You need to figure out how many calories you need in a day and how many you 9 take in. The next step is to add exercise so that you can 10 the number of calories you can consume per day.
Exercise charts can show you how many calories different 11 of exercise can burn. Burning 250 or 500 calories per day can 12 a big difference. You can ride an exercise bike while you are watching TV or you can 13 the stairs instead of the elevator. Find an exercise 14 . Exercise can be a lot easier if there is someone to talk to. It’s a good idea to wear firmfitting clothes if you are on a diet. 15 clothing acts as a reminder of what you are trying to accomplish.

A. walk
B. climb
C. run
D. take
热门 试题