阅读短文还原句子，其中有一多余选项

It’s the best medicine. Many old people like watching TV. You must stay safe when you are playing sports. You must avoid（避免） smoking and drinking. So don’t go to school without breakfast.

You need to have healthy eating habits. Breakfast gives you enough energy（能量） for the morning.  _______1_______ Fruit and vegetables are good for your health, but fast food, like potato chips, will make you fat and unhealthy. So eat the right food to keep you healthy.
Playing sports can also help you keep fit. But sometimes it may cause accidents（引发事故）. _______2_______
Happiness is important for your health. _______3_____ When you are ill, try to be happy and you’ll feel better. On the other hand, you may feel sick if you are always unhappy. So, be happy to be healthy.
______4______. Many students thinks it’s cool to smoke and drink. But they don’t know smoking and drinking can cause many illness. You should say no to smoking and drinking.