将下列单词填入空格，每空限填一词，每个单词只能填一次。

A. well       B. helps     C. become     D. meals     E. helpful        F. strong

Our food is very important. We like eating it, and it makes us healthy. In most countries, people have three or four 【小题1】 every day. Having food is like filling a car with petrol （汽油）. It gives us fuel （燃料） for the work we do.

The most important meal is breakfast. Doctors say that it is the beginning of a day and you can’t work 【小题2】 without it. You should eat a lot in the morning, eat well at noon, but you shouldn’t eat too much at night.

Protein （蛋白质） is very important. It builds our bones and makes our muscles （肌肉）【小题3】.

Meat, fish, chicken, and eggs give us protein. Beans and milk also have protein.

Vegetables and fruit are also very important. They give us vitamins and other chemicals. Vitamin C 【小题4】 us fight disease. Without it, we 【小题5】 sick.