人教版高中英语Book 4 Unit 2 using language课件

11fertilizer2fertilizer2Newwordsc__________producedbyorusingchemistryo__________growfoodwithoutusingartificialchemistryp__________insectsorsmallanimalsd_________tofindinformation,aplaceespeciallyforthefirsttimes________thematerialonthesurfaceofthegroundinwhichplantsgrowr_________tomakesomethingsmallerinsize,amount,degree,importancehemicalrganicestiscoveryoileduce3Newwordsc__________producedPhrasesbuildupleadtofocusonkeep…freefrom/of逐渐增加，建立；开发通向；导致；造成（后果）集中（注意力、精力等）于是。。。免受。。。Allroads_______Rome.Thechildren’sattentionis__________theirtoys.Hehas_________agoodbusinessWemust______theworld______________hunger.leadto

focusedon

builtupkeepfreefrom4Phrasesbuildup逐渐增加，建立；开发通向；导致Fast-readingCanyoutellthemainideaofthispassage?Long-termuseofchemicalfertilizerscancausedamagetothelandandtopeople’shealth,sonowadayssomefarmersandmanycustomersarebeginningtoturntoorganicfarming.5Fast-readingCanyoutelltheReadingfordetailsPara1—21.Whyarechemicalfertilizerssopopularinfarmingtoday?Theyareagreatwaytostopcropdiseaseandincreaseproduction.2.Whatproblemscanbecausedbyusingchemicalfertilizers?Theycandamagethelandbykillinghelpfulbacteriaandpests.Theycanstayinthegroundandundergroundwaterforalongtime.Theydamagepeople’shealthbybuildingupintheirbodiesandleadingtocancerorotherillnesses.Fruit,vegetablesandotherfoodgrowngrowtoofasttofullofmuchnutrition.6ReadingfordetailsPara1—2ThePara3—41.Whatisorganicfarming?Readingfordetails2.What’sthemainreasonforusingorganicfarmingmethods?Organicfarmingissimplyfarmingwithoutusinganychemicals.Themainreasonforusingorganicfarmingmethodsistogrowgoodfoodandtoavoiddamagingtheenvironmentorpeople’shealth.7Para3—4Readingfordetails2.Findandunderlinethetopicsentenceofeachparagraph.TopicsentencePara1:

Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandandevenmoredangerous,topeople’sheath.Para2:

Whataresomeoftheproblemscausedbychemicalfertilizers?Para3:

Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Para4:

Organicfarmersalsousemanyothermethodstokeepthesoilfertile.8FindandunderlinethetopicTopicsentence----SummaryPara1:Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandandevenmoredangerous,topeople’sheath.开头：Scientistshavediscovered…Itisreportedthat…Itisfoundthat…long-termuseof?causedamagetodoharmtobeharmfulforhurthaveharmfuleffects/influencesonusing….foralongtimetheoverusingof…Yoursentence?9Topicsentence----Summary开头：ScPara2:Whataresomeoftheproblemscausedbychemicalfertilizers?Itcausesmanyproblems.Thereareseveralproblemscausedbychemicalfertilizers.1.damagetheland2.affectcrops3.growtoofasttobefullofmuchnutritionreducenutritioninfruitsandvegetablesYoursentence?10Para2:WhataresomeofthepPara3:Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomers.Somefarmersandmanycustomersstarttopayattentionto/focusonorganicfarming.合成一句话？1.用定语从句2.用介词结构11Para3:WiththesediscoveriesPara4:Organicfarmersalsousemanyothermethodstokeepthesoilfertile.fertile=makethesoilrichandproductive

methods=ways;approachesYoursentence?12Para4:OrganicfarmersalsouTopicsentence----SummaryPara1:Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandandevenmoredangerous,topeople’sheath.Para2:Whataresomeoftheproblemscausedbychemicalfertilizers?Para3:

Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturn

toorganicfarming.Para4:Organicfarmersalsousemanyothermethodstokeepthesoilfertile.Recently,scientistshavediscoveredthatusingchemicalfertilizersforalongtimecanhurtthelandandalsopeople’shealth.Thereareseveralproblemscausedbychemicalfertilizers.Organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomersafterthesediscoveriescameout.Therearemanyorganicfarmingmethodsformakingthelandhealthyandproductive.13Topicsentence----SummaryRecenMethodsoforganicfarmingAdvantagesofmethods1.Farmersusenaturalwastefromanimals.1.Thismakesthesoilricherinmineralsandsomorefertile.2.Farmersoftenchangethekindofcropineachfieldeveryfewyears.3.Farmersplantcropswithdifferentlengthsofroots.2.Changingthecropsrenewsthemineralsinthesoilandhelpsitbecomerichandhealthy.3.Thisusesdifferentlevelsofsoil.4.Farmerssometimesplantgrassbetweencropsandleaveitintheground.4.Thispreventswindorwaterfromcarryingawaysoilandactsasanaturalfertilizer.Fillintheform14MethodsoforganicfarmingAdvaYourfarm---anorganicfarm15Yourfarm---anorganicfarm151616BUYTHEBESTVEGETABLESHEREWesellonlygreenfoodinthisfarmshop!Thebestchoiceatthebestprices!Greenfoodissafeandhealthyforyouandallthefamily.NochemicalfertilizersGrownincleanairGrownwithcleanwaterNopesticidetopoisonyourfamilyEatinggreenfoodisanimportantstepontheroadtostayingfitandhealthy!17BUYTHEBESTVEGETABLESHERE17SampledialogueF=farmerC=customerF:Goodmorning!Wouldyoulikesomeorganiccarrotsthismorning?C:Hmm…They’realittleexpensive.Whatistheadvantageof…?F:Theadvantageofthesevegetablesisthattheyaregreenfoodsothey’resafetoeatandgoodforyourfamily.C:Butwhat’stheadvantageofhavinggreenfood?Iknowallvegetablesaregoodforyouandthoselookgreentoo.AndIcanbuythemathalfprice.F:Well,letmeexplain.I’dratherfeedmyfamilyongreenfoodthanothervegetablesbecausetheyaregrownwithoutchemicalfertilizers.C:Butthepriceistooexpensive!I’dprefertobuygoodfoodifIcanaffordit.18SampledialogueF=farmerC=F:Thisisgoodvalueformoneybecauseyou’llhavehealthierchildren.Theywon’thavetogotothedoctorsooftenandyouwon’thavetotaketimeoffwork.Inthelongrunyou’llbebenefit.C:CertainlyI’dliketobuywhatissafeandhealthy.PerhapsI’lltrysomeofyourvegetablesandiftheyareasgoodasyousay.I’llbebacknextweek!19F:Thisisgoodvalueformone2020211fertilizer22fertilizer2Newwordsc__________producedbyorusingchemistryo__________growfoodwithoutusingartificialchemistryp__________insectsorsmallanimalsd_________tofindinformation,aplaceespeciallyforthefirsttimes________thematerialonthesurfaceofthegroundinwhichplantsgrowr_________tomakesomethingsmallerinsize,amount,degree,importancehemicalrganicestiscoveryoileduce23Newwordsc__________producedPhrasesbuildupleadtofocusonkeep…freefrom/of逐渐增加，建立；开发通向；导致；造成（后果）集中（注意力、精力等）于是。。。免受。。。Allroads_______Rome.Thechildren’sattentionis__________theirtoys.Hehas_________agoodbusinessWemust______theworld______________hunger.leadto

focusedon

builtupkeepfreefrom24Phrasesbuildup逐渐增加，建立；开发通向；导致Fast-readingCanyoutellthemainideaofthispassage?Long-termuseofchemicalfertilizerscancausedamagetothelandandtopeople’shealth,sonowadayssomefarmersandmanycustomersarebeginningtoturntoorganicfarming.25Fast-readingCanyoutelltheReadingfordetailsPara1—21.Whyarechemicalfertilizerssopopularinfarmingtoday?Theyareagreatwaytostopcropdiseaseandincreaseproduction.2.Whatproblemscanbecausedbyusingchemicalfertilizers?Theycandamagethelandbykillinghelpfulbacteriaandpests.Theycanstayinthegroundandundergroundwaterforalongtime.Theydamagepeople’shealthbybuildingupintheirbodiesandleadingtocancerorotherillnesses.Fruit,vegetablesandotherfoodgrowngrowtoofasttofullofmuchnutrition.26ReadingfordetailsPara1—2ThePara3—41.Whatisorganicfarming?Readingfordetails2.What’sthemainreasonforusingorganicfarmingmethods?Organicfarmingissimplyfarmingwithoutusinganychemicals.Themainreasonforusingorganicfarmingmethodsistogrowgoodfoodandtoavoiddamagingtheenvironmentorpeople’shealth.27Para3—4Readingfordetails2.Findandunderlinethetopicsentenceofeachparagraph.TopicsentencePara1:

Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandandevenmoredangerous,topeople’sheath.Para2:

Whataresomeoftheproblemscausedbychemicalfertilizers?Para3:

Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Para4:

Organicfarmersalsousemanyothermethodstokeepthesoilfertile.28FindandunderlinethetopicTopicsentence----SummaryPara1:Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandandevenmoredangerous,topeople’sheath.开头：Scientistshavediscovered…Itisreportedthat…Itisfoundthat…long-termuseof?causedamagetodoharmtobeharmfulforhurthaveharmfuleffects/influencesonusing….foralongtimetheoverusingof…Yoursentence?29Topicsentence----Summary开头：ScPara2:Whataresomeoftheproblemscausedbychemicalfertilizers?Itcausesmanyproblems.Thereareseveralproblemscausedbychemicalfertilizers.1.damagetheland2.affectcrops3.growtoofasttobefullofmuchnutritionreducenutritioninfruitsandvegetablesYoursentence?30Para2:WhataresomeofthepPara3:Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturntoorganicfarming.Organicfarmingissimplyfarmingwithoutusinganychemicals.Organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomers.Somefarmersandmanycustomersstarttopayattentionto/focusonorganicfarming.合成一句话？1.用定语从句2.用介词结构31Para3:WiththesediscoveriesPara4:Organicfarmersalsousemanyothermethodstokeepthesoilfertile.fertile=makethesoilrichandproductive

methods=ways;approachesYoursentence?32Para4:OrganicfarmersalsouTopicsentence----SummaryPara1:Recently,however,scientistshavebeenfindingthatlong-termuseofthesefertilizerscancausedamagetothelandandevenmoredangerous,topeople’sheath.Para2:Whataresomeoftheproblemscausedbychemicalfertilizers?Para3:

Withthesediscoveries,somefarmersandmanycustomersarebeginningtoturn

toorganicfarming.Para4:Organicfarmersalsousemanyothermethodstokeepthesoilfertile.Recently,scientistshavediscoveredthatusingchemicalfertilizersforalongtimecanhurtthelandandalsopeople’shealth.Thereareseveralproblemscausedbychemicalfertilizers.Organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomersafterthesediscoveriescameout.Therearemanyorganicfarmingmethodsformakingthelandhealthyandproductive.33Topicsentence----SummaryRecenMethodsoforganicfarmingAdvantagesofmethods1.Farmersusenaturalwastefromanimals.1.Thismakesthesoilricherinmineralsandsomorefertile.2.Farmersoftenchangethekindofcropineachfieldeveryfewyears.3.Farmersplantcropswithdifferentlengthsofroots.2.Changingthecropsrenewsthemineralsinthesoilandhelpsitbecomerichandhealthy.3.Thisusesdifferentlevelsofsoil.4.Farmerssometimesplantgrassbetweencropsandleaveitintheground.4.Thispreventswindorwaterfromcarryingawaysoilandactsasanaturalfertilizer.Fillintheform34MethodsoforganicfarmingAdvaYourfarm---anorganicfarm35Yourfarm---anorganicfarm153616BUYTHEBESTVEGETABLESHEREWesellonlygreenfoodinthisfarmshop!Th