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1、阅读为主的学案(课前导学）→Step1Revision1.Checkthehomeworkexercises.2.Asksomestudentstotalkaboutproblemswithdiet,balanceddietandnutrition.→Step2ReadingandfindingGetstudentstoreadthroughWarmingUp,Pre-reading,ReadingandComprehendingtounderlineallthenewwordsandusefulexpressionsorcollocationsinthes
2、eparts.Collocations:haveto,ahealthydiet,indifferentways,energy-givingfood,body-buildingfood,protectivefood,abalanceddiet,sitinhisemptyrestaurant,feelveryfrustrated,averystrangemorning,preparehismenu,bylunchtime,bynow,oughtto,befullof,bemadeof,Nothingcouldbebetter.,hurryby,followsb.
3、into...,loseweight,befit,beamazedat,morethan,agoodmeal,getawaywith,hadbetter,dosomeresearch,toomuch,eventhough,energy-givingfood,feelmorehopeful,win...back,beonReadthemaloudandcopythemdownintheexercisebookafterclass.（课中学习方案）→Step3Practiceforusefulwordsandexpressions1.TurntoPage12.G
4、othroughtheexercisesinDiscoveringusefulwordsandexpressionswithstudentsandmakesuretheyknowwhattodo.2.Givethemseveralminutestofinishtheexercises.Theyfirstdothemindividually,thendiscussandcheckthemwiththeirpartner.3.Checktheanswerswiththewholeclassandexplaintheproblemstheymeetwherenec
5、essary.→Step4Studyingimportantlanguagepoints1.Everybodyhastoeat,butdoyoueatahealthydiet?每个人都得吃东西,不过你的饮食健康吗？diet1)n. sortoffoodthatisusuallyeaten(byaperson,community,etc.)（某人、共同生活的人等）通常吃的食物;日常饮食limitedvarietyoramountoffoodthatapersonisallowedtoeat限定的食物种类或数量;限定食谱Toorichadietisnotgood
6、foryou.吃太多油腻的食物对你身体不好。tobe/go/putsb.onadiet节食;限定某人的食物Hebeganhisdietaweekago.他在一星期前开始节食。Peoplewhoareonadietmustn’thavechocolate.正在节食的人不能吃巧克力。2)vt.&vi.(beallowedto)eatonlysomefoodsoralittlefood,esp.toloseweight节食Thedoctorhasdietedthepatientstrictly.医生严格规定病人的饮食。Nosugarinmycoffee,pleas
7、e;I’mdieting.请不要给我的咖啡放糖,我在节食。【辨析】diet&fooddiet指的是日常饮食或限定的食物,尤指维持健康的定量或定质的食物,通常为可数名词;food是一般用语,凡能吃能喝的具有营养的东西都可称为food,通常为不可数名词,但涉及食物的种类时可用作可数名词。Fillintheblankswithdietorfood.(1)Thedoctorhasorderedmeaspecial______________.医生给我安排了特殊的饮食。(2)Wemusthave______________toeatandclothestowear.我
8、们必须有东西吃,有衣服穿。(3)Thesickman
