题目内容：

阅读短文，选词填空，每空一词，每词只能使用一次。

as, tired, favorite, serious,enough, about, habits,else,eat,healthy

Hua Lin, a Chinese boy of 13 years old, likes eating snacks（零食） very much. His ____snack is cream biscuits （奶油饼干）. Sometimes he can eat three packs a day.” I like eating them and I do not want to have anything _____.” he said.

  Now in China there are many children like Hualin. They also enjoy snacks. It’s a _____problem. Because they can’t get _____nutrition（营养） from these things, and if they don’t try to eat more __food, they may become overweight.（肥胖的）

  So parents, teachers and schools are worried _____them. Health experts （营养专家）tell students that they should have healthy eating ______. First, they must eat regular（规律的） meals instead of too many snacks, and have a good breakfast. Then they should have many different kinds of food, such ____vegetables, eggs and milk. They can give you what your bodies need. Some students also like fast food, like McDonalds or KFC. They think they are delicious, but ____too much is also unhealthy. Third, they can’t drink too many sugar（糖）drinks or eat too much fried food.

  If they can do as the experts say, they will be healthier. They won’t be _____at school. They will have enough energy.