3.4（1）实际问题与一元一次方程

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1、Children`sDiet韩城市实验小学孙鑫利Children’sDietMaryLilyMynameisLily.Iameleven.Ialwayseatcakes.Ittastesverynice.Ienjoysweetfoodverymuch.SometimesIhaveicecream.It’syummy.ButIdon’tlikefruit.Iseldomeatfruit.MikeIamMike.Hamburgersaremyfavouritefood.SoIalwaysgotoMcDonald’sandeathamburgerswithmyfriends.

2、SometimesIhavesomeFrenchfries.It’syummy.ButIseldomeatvegetables.Idon’tlikethematall.IamMary.Ilovevegetablesverymuch.Ithinktheyarehealthyfood.SoIalwayseattomatoes.SometimesIhavesomeoranges.Theyaremyfavouritefruit.ButIdon’tlikemeat.Iseldomeatit.Iamafraidoffat.IamMary.Ilovevegetablesverymuc

3、h.Ithinktheyarehealthyfood.SoIalwayseattomatoes.SometimesIhavesomeoranges.Theyaremyfavouritefruit.ButIdon’tlikemeat.Iseldomeatit.Iamafraidoffat.MynameisLily.Iameleven.Ialwayseatcakes.Ittastesverynice.Ienjoysweetfoodverymuch.SometimesIhaveicecream.It’syummy.ButIdon’tlikefruit.Iseldomeatfr

4、uit.IamMike.Hamburgersaremyfavouritefood.SoIalwaysgotoMcDonald’sandeathamburgerswithmyfriends.SometimesIhavesomeFrenchfries.It’syummy.ButIseldomeatvegetables.Idon’tlikethematall.MaryLilyMynameisLily.Iameleven.Ialwayseatcakes.Ittastesverynice.Ienjoysweetfoodverymuch.SometimesIhaveicecream

5、.It’syummy.ButIdon’tlikefruit.Iseldomeatfruit.MikeIamMike.Hamburgersaremyfavouritefood.SoIalwaysgotoMcDonald’sandeathamburgerswithmyfriends.SometimesIhavesomeFrenchfries.It’syummy.ButIseldomeatvegetables.Idon’tlikethematall.IamMary.Ilovevegetablesverymuch.Ithinktheyarehealthyfood.SoIalwa

6、yseattomatoes.SometimesIhavesomeoranges.Theyaremyfavouritefruit.ButIdon’tlikemeat.Iseldomeatit.Iamafraidoffat.One-sidedDietQuestion:Whatfooddoweneed?Let’sreadandfind.Ourfoodisveryimportant.Itmakesusstrongandhealthy.Weneedapples,orangesandcarrots.Theygiveusvitamins.Weneedfish,chickenandeg

7、gs.Theygiveusprotein.Weneedrice,breadandnoodles.Theygiveusstarch.Someofusenjoysweetfood,butwedonotneedtoomuchofit.Question:Whydoweneedthesefood?Let’sreadandunderline.Ourfoodisveryimportant.Itmakesusstrongandhealthy.Weneedapples,orangesandcarrots.Theygiveusvitamins.Weneedf