If（如果） you want to live long to 100 years old，there are three rules you need to follow.
   First，you need healthy food.It's important to eat well.Milk and bread are healthy for breakfast. （1）

They

They

can give you energy（能量）.For lunch and dinner，you can have rice and vegetables.Healthy people never eat a lot of junk food like hamburgers and French fries.Ice-cream tastes good， （2）

but

but

it is not good for your health.
   （3）

Second

Second

，you need a lot of exercise.You can exercise（4）

for

for

about 30 minutes every day.There are many （5）

kinds

kinds

of sports you can do.You can swim in the pool.You can run on the playground.You can play basketball in the Students' Sports Center.You can also take a walk with your family after dinner.Do not play computer games（6）

or

or

talk with friends on the Internet（網(wǎng)絡） for too long.Always remember to go outside and play sports.
   Third，there's an old English saying（諺語）， "Early to bed and early to rise，make a man healthy，wealthy and wise." It means（意思） that we must go to bed （7）

early

early

at night and get up early in the morning.People say that students only study well when they get enough（足夠的）（8）

time

time

for sleep.Students with a good sleep usually get good grades（成績） in tests.