Healthy eating habits along with regular exercise is the only way to become fit. If we have the correct number of calories （卡路里） and exercise regularly， we will lose weight， keep ft and feel great， too.
    During teenage years， it is important to give our body the energy（能量） it needs. If we don't eat meals， we won't get enough calories， and then we will feel tired. By the way， calorie is just another word for energy. About 50% of our calories should come from rice， bread，vegetables and fruit. We also need to drink a lot of water， 6 to 8 glasses a day. Drinking enough water will make our skin better and keep us healthy.
    Exercise is something that can help to make us look good， feel good and be healthy. Experts （專家） suggest that teenagers should spend at least 30 minutes exercising a day， five times a week.That's easy to do! They can walk or ride our bike to school， and do sports at school. However， some teenagers often give up sports， saying they have no time left after their studies. In fact， doing exercise can help them sleep better at night and increase their ability to focus on their study.
    If we follow the suggestions above， we will look and feel much better and become fit.

（1）How will we feel if we don't have meals？

We will feel tired.

We will feel tired.

（2）How many glasses of water do we need a day？

6 to 8 glasses .

6 to 8 glasses .

（3）What can make our skin better and keep healthy？

Drinking enough water .

Drinking enough water .

（4）How often do the experts suggest that teenagers should exercise？

Every day.

Every day.

（5）Why do they often give up sports according to （根據(jù)） some teenagers？

Because they think they have no time left after their studies.

Because they think they have no time left after their studies.