We need calories or energy to do things every day. For example, when we walk to school or (1) ………………..a bike to school we spend a certain amount of calories, and even when we sleep, we also use them. But how many calories should we have a day to stay in shape? It’s (2)………… for us to calculate. If people want to keep (3) …………….., they should remember that everyone should have between 1600 and 2500 calories a day. We get calories from the food we eat. If we get too much food and don’t take part in any activities, we can get (4)……… quickly. So besides studying, we should do some (5)………….., play sports or do the housework, such as cleaning the floor, cooking, etc.

 1. A. go.               B. ride                   C. have               D. play

2. A. healthy        B. easy                             C. weathy           D. unhealthy

 3. A. fit                B. fat.                   C. unhealthy.               D. good

 4. A. thin             B. sunburnt             C. fat                           D. sick

 5. A. exercise        B. homework          C. volunteer               D. makeup