Health is the most important thing in the world．Nothing is more important than health．If we take away our money, houses, cars or even our clothes, we can still survive．    That is why we always try to eat in a healthy way and exercise regularly．
How can we keep healthy？In order to eat healthily, I usually avoid eating food high in fat, like French fries or cookies, which are junk foods．   Meanwhile, I eat a lot of vegetables and fresh fruit which are full of vitamins．
  Taking exercise every day helps us build a strong body．Regular exercise is an important part of keeping me healthy．
What’s more, I think friends are an important part of one’s health．  I always feel better when I am with friends than when I am alone．When I am with my friends, I always laugh．Laughing is also an important part of health．It is good to stay with my friends．
By eating properly and exercising regularly, I can keep my body at a proper weight and keep healthy．By spending time with my friends, I can keep my mind as well as my body happy．These things sound easy to do, but not many people can manage them．    

A．On the other hand, doing exercise is very important．

B．There are some people who like staying alone, but they keep healthy．

C．Many studies show that people with a range of social contacts don’t get sick．

D．But if our health was taken away, it is certain that we would surely die．

E． I only eat little meat．
F． So I think a strong will is necessary if we want to keep healthy．
G． Some people appear fat because they often eat too much．