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1、Unit2HealthyEatingListening2ListentothewholedialoguebetweenWangPengandanexpert.Writedownthemainideaofthedialogue.______________________________________________________________________3Listentothetapeagainandjointhenamesoftheillnessestotheircauses.illnes
2、sesCausesScurvyToomuchrice,noodles,sugarandfatRicketsnotenoughvitaminCObesitynotenoughproteinandvitaminD4Afterlistening,workinpairsanddiscusswhatproblemsWangPengandYongHuihaveandwhatsuggestionsyouwouldgivethem.OwnerofrestaurantProblemswithfoodofferedWha
3、tfoodisneededWangPengYongHuiLISTENINGTEXTHOWANUNBALANCEDDIETCANAFFECTYOURHEALTHWangPengwenttothelibrary,wherehehappenedtomeetanexpertondiets.Heaskedhimforhelp.WP=WangPengE=ExpertWP：Hello.Canyouhelpme,please?Iwanttofindoutmoreaboutbalanceddiets.E：Ofcours
4、e.Abalanceddietneedsenergyfoodlikericeandnoodles,body-buildingfoodlikefishandmeatforproteinandfat,andprotectivefoodlikefruitandvegetablesforfibreandvitamins.WP：Yes,butdoesitmatterhowmuchrice,noodlesandsugarIeat?E：Yes.Ifyoueattoomuch,youmaybecomeobese.Th
5、ismeansyouaretoofatanditmayleadtootherillnesses.However,ifyoudon’teatenoughrice,noodlesorsugar,you’llgettiredeasily.WP：Isee.I’llbecarefulaboutthat.Doesitmatterhowmuchfish,meatorcheeseIeat?E：Toomuchcanalsomakeyoufat,butifyoudon’teatenough,yourboneswon’tg
6、rowstrong.Alongtimeago,childrenwhodidn’teatenoughvitaminDandbody-buildingfooddidn’tgrowstraightlegs.Theygotanillnesscalledrickets.WP：Ohdear!Dopeoplestillhavetheproblem?E：Sometimes.WP：Thenwhataboutfruitandvegetables?HowmuchshouldIeat?E：Yououghttoeatabout
7、fivebigspoonfulsofdifferentfruitandvegetableseveryday.WP：Really?Ididn’tknowthat.E：Yes.Inthe18thcenturysailorsatseausedtofindthattheirteethfelloutandtheyhadbadspotsontheirskin.Theygotitbecausetheydidn’teatenoughfruitandvegetables.Theillnessiscalledscurvy
8、.WP：Goodness!Whataboutnow?E：It’sveryrarenow.Peopleeatmorefruitandvegetables.Youneedprotectivefoodlikethatforclearskinandbrighteyes.WP：Thankyouverymuch.Youhavegivenmealottothinkabout.AnswerkeyforExercise2：WangPengisdoingresearchto
