9.The number of children who are overweight is growing rapidly in China,(56)whichbecomes a big concern for their parents.When it comes to the problem of obesity,the reasons are not far(57)to seek(seek).One of the main factors that(58)accountfor the problem is children's love for junk food that adds too much fat and sugar(59)towhoever takes it.For those who are particularly overweight,parents can set strict limits on what the children eat and cut(60)downfat and sugar in the meal.Another factor is children's lack of exercise in everyday life.Parents always find their kids(61)lying(lie) on the sofa rather than work out(62)regularly(regular).To make matters worse,the fact that many children stay up late into night also contributes to the problem.Personally,I do believe(63)itis of great importance to keep a(64)balanced(balance) diet.What's more,a healthy life style is the key to a happy life.After all,a healthy body and mind is(65)whatreally matters.