14．Just as a car needs gas to run，your body needs food to work for you．It is very important to eat the right kind of food．Eating the right food can help your body grow strong．
There are four main food groups in all．The diary group has food like milk，cheese and yoghurt（酸奶）．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 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 in these days and you can't think quickly．
If you watch what you eat，you can 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．
49．Which of the following diets do you think is the best？D
A．Eggs，tomatoes and chicken．
B．Rice，apples，fish and chicken．
C．Corn，fish，cream and pork．
D．Milk，bread，cabbages and beef．
50．Which of the following is a good eating habit？D
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 four groups each meal．
51．What does the underlined word"dairy"mean in the second paragraph？A
A．Food made out of cows such as milk and butter．
B．A farm where cows are kept．
C．A place where milk products are made．
D．The shop that sells milk and butter．
52．This passage mainly tells us thatC
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．
分析 文章大意：本文敘述了人們要想保持健康的身體第一要講究吃好，文中把食物分為四類，人們在一天中所吃的食物必須包活在這四類之中，然后再進(jìn)行適當(dāng)?shù)捏w育鍛煉就行了．
解答 49-52：DDAC
49題答案：D 細(xì)節(jié)理解題．根據(jù)第二段Each meal should have at least one food from all four main groups．可知這四樣?xùn)|西在四個不同的組里，故選D．
50題答案：D 細(xì)節(jié)理解題．根據(jù)第二段Each meal should have at least one food from all four main groups．With all of these foods together，you will be given enough energy during the day．挑選不同的食物來自這四個組里，才是最有營養(yǎng)的，故選D．
51題答案：A 詞義猜測題．根據(jù)后面like milk，cheese and sour milk．像牛奶，奶酪和酸奶．可知故選A．
52題答案：C 主旨大意題．根據(jù)Having good eating habits with some exercise is the key to your health．這是中心句，吃合適的食物再加上適當(dāng)?shù)腻憻�，故選C．
點評 本文是一篇日常生活類閱讀，題目涉及多道細(xì)節(jié)理解題，做題時結(jié)合原文和題目有針對 性找出相關(guān)語句進(jìn)行仔細(xì)分析，結(jié)合選項選出正確答案．推理判斷也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確的答案．
