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时间:2020-07-05
《高中英语 unit2 using language学案新人教版必修4.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、unit2usinglanguageWritedownthemainidea(主要大意)foreachparagragh.P1.P2.P3.P4.1.Whatproblemsarecausedbyusingchemicalfertilizers?2.Whyarenaturalfertilizersbetter?Readthetextcarefullyandfillintheblanks.ChemicalFarmingAdvantagesStoppingcropdiseaseandincrease________________ChemicalFarmingDisadvantage
2、sDamagingtheland:killingthehelpful________________Damagingpeople’shealth:◆Manychemicalsinthefoodsupplycanleadtocancerorotherillnesses.◆Foodgrowstoofasttobefullofmuch________.3.Whatspecialwaysoffarmingdoorganicfarmersuse?WhatspecialwaysorganicfarmersdoWhydoso?Usenaturalfertilizers.Changecropse
3、veryfewyears.Growcropsthatneeddifferentlevelsofthesoil.True(T)orFalse(F).1.Organicfarmerspreferusingnaturalwastefromanimalsandchemicalfertilizers.( )2.Usingnaturalwastemakesthesoilricherinmineralsandsomorefertile.( )3.Usingorganicfarmingmethodsistogrowgoodfoodandtoavoiddamagingtheenvironmen
4、torpeople’shealth.( )4.Usingchemicalfertilizershasbecomeverycommoninfarmingoverthepasthalfcentury.( )5.Chemicalfertilizersonlykillharmfulbacteriaandpests.( )Discussion:AdvantagesofgreenfoodTakenotes:*tastedelicious*grownin_________air*freeofp___________*_________nutrition*do_______topeople
5、’shealthandthee___________SummaryWhatdowelearntoday?___________________________________________________________
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