Unit8Lesson3课件-冀教版英语八年级上册

ProtectingtheenvironmentUnit83ThegreenmiracleLearningobjectivesInthislesson,wewillbeableto:UnderstandthemainideaofthepassageaboutSaihanba,includingitspastdesolatesituation,thegovernment'sdecisionin1962,anditscurrentstatusasthelargestman-madeforestintheworld.Mastertheusageoftheto-infinitiveaftercertainverbs,suchas“tocarryoutthetask”and“tocompletethedifficulttask”,andbeabletocreatemoresentencesusingthisgrammarstructure.Improvestudents'readingcomprehensionabilitybyanalyzingthetextaboutSaihanbaandansweringrelatedquestions,suchasfindingoutthedifferencesbetweenthetwopicturesandthereasonsforthechanges.1Lookatthepicturesofthesameplaceandanswerthequestions.AWhat'sthedifferencebetween

thetwopictures?BWhatdoyouthinkledtothe

difference?2Readthepassageandcompletethetimeline.Saihanba,locatedinthefar-northernpartofHebeiProvince,becameagreenmiracle.

Aroundthelate1950s,youcouldhardlyseeatreeorafloweranywhereinSaihanba.In1962,thegovernmentdecidedtochangethisdeadlandintoaforest.Tocarryoutthetask,agroupof369foresters,mostlyintheir20s,wasorganised.“Attheverybeginning,Ididnotrealisethattheworkingconditionswouldbesoharshandtheweathersobad,”saidZhaoZhenyu,oneofthefirst-generationforesters.Buttheynevergaveup.Theforesterscarriedon,overcomingthechallengesoftheland.Theyusedscienceandtechnologytohelptreestosurviveharshconditions.TheSaihanbapeopleworkedhardwiththeirheartsandmindsformorethanhalfacentury.

TheSaihanbaSpiritinspiredtheforesterstocompletethedifficulttask.Saihanbaisnowthelargesthuman-madeforestintheworld.Itplaysanimportantroleinenvironmentalprotection.Peoplecanenjoyfreshair,birdssinging,andbeautifulscenerythere.2Readthepassageandcompletethetimeline.aroundthelate1950s1962nowPeoplecould____________atreeorafloweranywhere.Saihanbais___________________________________________.Thegovernmentdecided_________________________________________.2Readthepassageandcompletethetimeline.hardlyseetochangethisdeadlandintoaforestthelargesthuman-madeforestintheworldReadParagraphs1-2andanswerthequestions.1.WhatwasSaihanba’sconditioninthelate1950s?Hardlyseetreesorflowers.2.Whendidtheforestationprojectbegin,andwhoinitiatedit?In1962,bythegovernment.3.Describetheteamofforesters(numberandagegroup).369foresters,mostlyintheir20s.ReadParagraph3andanswerthequestions.1.WhattwodifficultiesdidZhaoZhenyumentionabouttheearlywork?Harshworkingconditionsandbadweather.2.Howdidtheforestershelptreessurvivedifficultconditions?Byusingscienceandtechnology.3.HowlonghavetheSaihanbapeoplebeenworkingonthisproject?Morethanhalfacentury(orover50years).ReadParagraph4andanswerthequestions.1.Whathelpedtheforesterscompletetheirdifficulttask?TheSaihanbaSpirit.2.WhatrecorddoesSaihanbaForesthold?Thelargesthuman-madeforestintheworld.3Readthesentencesandpayattentiontothepartsinyellow.Thenwritemoreexamples.Tocarryoutthetask,

agroupof369foresters,mostlyintheir20s,wasorganised.TheSaihanbaSpiritinspiredtheforestersto

completethedifficulttask.____________________________________________________________________________________________________________________________________Weusetheto-infinitivetoexpresspurpose.

Weaslousetheto-infinitiveaftercertainverbs.Someverbsarefollowedbyadirectobjectandthentheto-infinitive.Togo10kilometres,Ineedtendonuts.Iwouldliketogotothesupermarkettobuyawatermelon.4Readandcompletetheconversation.A.tosurviveharshconditionsB.tovisititsomedayC.TochangethesituationJenny:DoyouknowaboutSaihanba?LiMing:Yes.Itusedtobeadesertedlandaroundthelate1950s.Jenny:Really?That'shardtoimagine.Whathappenednext?LiMing:______,thegovernmentorganisedmanyforestersandstartedplantingtrees.Jenny:Didtheymeetanydifficulties?LiMing:Ofcourse.Theworkingconditionsweresoharshandtheweatherwasbad.Butscientificandtechnologicalmethodshelpedtrees______.Jenny:Howbravetheforesterswere!WhatisSaihanbalikenow?LiMing:Nowadays,Saihanbaisnotonlythelargesthuman-madeforestbutalsoapopulartouristspot.Jenny:Wow,Iwant______.CABIt’severyone’sresponsibilitytoprotecttheenvironment.1.Aroundthelate1950s，youcouldhardlyseeatreeorafloweranywhereinSaihanba.aroundthelate1950s意为“大约20世纪50年代末”。late表示“晚期的；后期的”。inthelate1950s意为“在20世纪50年代末”Point例句： Rockandrollmusicbecameverypopularamongyoungpeopleinthelate1950s.（20世纪50年代晚期，摇滚乐在年轻人中变得非常流行。）carryout是一个动词短语，意为“执行；实施；贯彻”，通常用于描述将计划、任务、命令等付诸实践。Point用法：其后可直接接名词或代词作宾语。当宾语为代词时，需将代词置于carry和out之间。例句：Wemustcarryouttheplanassoonaspossible.（我们必须尽快执行这个计划。）Theycarrieditoutsuccessfully.（他们成功地实施了它。）2.Tocarryoutthetask,agroupof369foresters,mostlyintheir20s,wasorganised.3.Attheverybeginning,Ididnotrealisethattheworkingconditionswouldbesoharsh.attheverybeginning意思是“在一开始；起初”Point用法：在句中作时间状语，可置于句首或句中。例句：Attheverybeginning,Ididn'tunderstandwhathewassaying.（在一开始，我不明白他在说什么。）Shehadalotofconfidenceintheprojectattheverybeginning,butlatershebecameworried.（她在一开始对这个项目很有信心，但后来她开始担心了。）inspiresb.todosth.意为“激励某人做某事”，inspire是动词，后接宾语再加动词不定式作宾补。Point例句：Hiswordsinspiredmetoworkharder.（他的话激励我更加努力工作。）Theteacherinspiredthestudentstobecreative.（老师激励学生要有创造力。）4.TheSaihanbaSpiritinspiredtheforesterstocompletethedifficulttask.5.Itplaysanimportantroleinenvironmentalprotection.playanimportantrolein意为“在……中发挥重要作用”。Point用法：in是介词，后接名词、代词或动名词形式。例句：Treesplayanimportantroleinprotectingtheenvironment.（树木在保护环境中发挥重要作用。）Teachersplayanimportantroleinstudents'growth.（老师在学生的成长中发挥重要作用。）一、单项选择Myfatherdecided______anewcarlastweek.A.buy B.buys C.tobuy D.buyingTheytriedtheirbesttocarry______thedifficultplan.A.on B.out C.away D.offYoushouldnevergive______whenyoufacedifficulties.A.up B.in C.out D.away______thebeginningofthemovie,itwasalittl