C

　　A car needs gas to run and your body also needs food to work for you. Eating the right kind of food is very important. It can keep your body strong， so take care of what you eat.

　　There are four main food groups altogether. The dairy products group has food like milk， cheese and sour milk. The other three groups are the meat and fish group， the fruit and vegetable group， and the bread and rice group. Each meal should have at least one food from all the four main groups. With all these food together you will be given enough energy during the day.

　　It is easy to get into bad eating habits. You may eat your breakfast in a hurry to get to school on time. Or you may not have time for a good lunch. It may seem easy to finish your supper with fish and chips all the time. But you will find yourself tired during these days and you can not think quickly.

　　Watching what you eat will help keep your body healthy and strong. It is also good to take some exercise. It will help you eat more if you take a walk or play games in the open air. Having a good eating habit with some exercise is the key to your health.

　　43. Which of the following diets is the best one？

　　A. Eggs， tomatoes and chicken.

　　B. Milk， bread， cabbages and beef.

C. Corn， fish， cream and pork.

　　D. Rice， bean curd， apples， fish and chicken.

　　44. Which of the following is a good eating habit？

　　A. Going to school without any breakfast.

　　B. Eating fish and chips for supper all the time.

　　C. Finishing your lunch in a very short time.

　　D. Having at least one food from all the four groups.

　　45. In this passage the writer mainly tells us that ______.

　　A. every person needs food to grow well

　　B. taking exercise can keep your body strong

　　C. the right kind of food with exercise will keep you healthy

　　D. enough energy helps people think more quickly

　　46. The best title for this passage is “______”。

　　A. The Four food Groups

　　B. A Healthy Diet

　　C. Your body and Food

　　D. The Key to Your Health