Do you often watch TV?Many middle school students like 41 TV very much.But 42 Monday to Friday,they must go to school.So on Saturday and Sunday they 43 at home and watch TV day and night.They don’t know it’s 44 for their eyes.Usually,children like to eat fish,meat and chicken,but they don’t like vegetables 45 fruit.They don’t know 46 more vegetables and fruit is 47 than eating meat.At school the children only do a few 48 of sports or never do any sport.They don’t know it isn’t good for their health.We always 49 of ways to keep healthy.We should eat 50 vegetables and fruits and do enough sports every day.And we should watch TV and read books in right ways.