卫生类:完形填空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 operating2_______and， your brain running. They also keep your body warm. A person 3______weight because he or she consumes more calories per day than needed. The only way to lose fat is to 4______the number of calories that you consume per day. This is the basic 5______behind going on a diet.
6______，diets dont 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. Its a good idea to wear firm-fitting clothes if you are on a diet. 15______clothing acts as a reminder of what you are trying to accomplish.
词汇：
typical α. 典型的，有代表性的
calory n. 卡路里
consume v. 消耗，消费，耗尽 (燃料、能量、时间等)
sensible α. 明智的，合情理的，切合实际的
consistent α. 一贯的，始终如一的
reminder n. 令人回忆起……的东西，提醒……的东西
accomplish v. 完成，实现，做成功
注释:
1. ...diets dont work for most people . . . :……节食并不是对大多数人都奏效……
2. You can ride an exercise bike while you are watching TV or you can…:你可以在看电视的时候骑自行车或者你可以......
练习:
1. A ticking B beating C running D kicking
2. A properly B appropriately C approximately D effectively
3. A adds B increases C gains D puts
4. A cut off B take down C remove D reduce
5. A way B principle C method D kind
6. A Similarly B Though C Unfortunately D Although
7. A go off B go on C go after D go under
8. A getting B measuring C maintaining D reserving
9. A preferably B actually C consistently D eventually