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2017高考英语（人教版）选修8U4一轮夯实练习及答案 选修8 (2016·广西桂林、崇左市高三4月联考)Our modern life is changing our eating habits.We are spending too much time in front of TV or computers and __1__(become) “couch potatoes” or “mouse potatoes”．We also eat too much junk food and we don’t get enough exercise.The foods we find in the supermarket are sometimes no __2__(benefit) to us，and it is difficult to know exactly __3__ we are eating when we buy ready－made or pre－prepared dishes.Considering this situation，it is becoming __4__(much) important than ever __5__(make) sure that we keep a healthy diet. A healthy diet gives us the calories we need and don’t contain too much fat.The number of calories we need __6__(change) depending on what kind of body we have (are we short，tall，heavy etc.)and how active we are.Quality food，or healthy food，gives us calories in the best way.Junk food，__7__ the other hand，gives us few calories and lots of fat and sugar.If we eat too much fat and sugar，we will put on __8__(weigh) easily，in order to live __9__ happy and long life，we should keep a __10__(balance) diet. 【语篇导读】 本文是一篇说明文。不良的饮食习惯给人们带来了很多危害，因此作者呼吁大家要养成健康的饮食习惯。 | 
