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1、Unit13 HealthyeatingⅠ.TeachingGoals:1.Talkabouteatinghabitsandhealth.Talkaboutseeingthedoctor.Practisegivingadviceandmakingsuggestions.2.Usethemodalverbs:hadbetter,shouldandoughttoLearnsomeusefulcookingterms.Readandwriterecipes.Ⅱ.TeachingTime:Fourperiods
2、Ⅲ.BackgroundInformation:1.HealthydietMostpeople,youngorold,don'tknowhowtoplanahealthydiet.Somepeopleeattoomuch,andsomeeattoolittle.Manypeopledon'teatbreakfastatallexceptforacupofcoffee,andmostpeopleeataveryheavyandgreasydinner.Oneimportantfactorinahealth
3、ydietisbalance.Abalanceddietcontainsenoughamountsoffoodforthethreemealsofadayandavarietyoffoodssuchasvegetables,fruits,eggs,milk,cereals(谷类食品)andmeat.Forbreakfast,whichstartsyouoffonalongday'swork,youneedenoughfoodtoprovideyouwithenoughenergy.Lunchisequa
4、llyimportant.Ifyoudon'tstoreenoughenergyatlunchtimeforalongafternoonofwork,youwilleasilyfeeltired.Butafterdinner,normallyyourelaxyourselfanddon'tneedmuchenergy,soit'spreferabletohavealightdinner.Moreover,varietiesoffoodgiveyoudifferentkindsofnutrientsyou
5、rbodyneeds.Ifyourdietlacksvariety,youareboundtobedeficientinnutrition.Yourdietisessentialtoyourhealth.Ifyouoftenfeeltiredorfallsick,it'slikelythatyoudon'thaveabalanceddiet.2.FastfoodIt'sSaturdayafternoonandyouaredowntownwithyourfriends.You'vebeenshopping
6、allmorningandyou'rehungry!Butwhereareyougoingtoeat?There'sagoodchancethatyou'llgotoafastfoodrestaurantlikePizzaHut,BurgerKingorWendy's.Thebiggestproblemischoosingonebecausetherearesomany.Inthelastthirtyyearsfastfoodhasbecomeamajorpartofourdiets.Fastfoodi
7、scheap,easytofindandeasytoeat.Youcaneveneataburgerwhileyouaredriving.Trydoingthatwithabowlofspaghetti(意大利面条)!FamiliesstopatPizzaHutonthewayhomefromadaytrip.YoungpeoplemeetatMcDonald'sforaburgeratlunchtime.BusyofficeworkersbuynicesandwichesatSubway(赛百味三明治
8、店).It'ssoquickandeasy.Butisfastfoodhealthy?RichardBentonisanutritionistandhesaysthatfastfoodcanbehealthyfood.“Mostfastfoodrestaurantshavehealthychoiceslikesaladsandthinchickensandwiches,”hesays.“FastfoodisOKaslongasyoudon'
