必修四unit2全單元課文講解市公開(kāi)課一等獎(jiǎng)省賽課微課金獎(jiǎng)?wù)n件

Unit2WorkingtheLand1策劃：《學(xué)生雙語(yǔ)報(bào)》1/641.darkenedskinfromspendingtoomuchtimeinthesun__________2.needforfood__________3.makesth.orsb.freeof__________4.becomelargerinsize,numberoramount__________5.makeinformationandideasknowntomanypeople__________6.preferto__________7.becauseof__________8.tryextremelyhardtoachievesth.__________9.sendthingstoforeigncountriesforsale__________sunburnthungerrid…ofexpandcirculatewouldratherthankstostruggleexport2策劃：《學(xué)生雙語(yǔ)報(bào)》2/64

3/4ofourearthiscoveredwithwater!1/2ofthispieceistoohot,coldorwetforfarming!3/4ofthispartisusedforroads,houses,schools!!_____oftheearthisusedforfarming!!!1/32Pre-reading3策劃：《學(xué)生雙語(yǔ)報(bào)》3/64Onlytheskincanbeusedtogrowplants!

population4策劃：《學(xué)生雙語(yǔ)報(bào)》4/64superhybridrice

APioneerForAllPeople5策劃：《學(xué)生雙語(yǔ)報(bào)》5/64Name_____________Age_____Job_________________Education__________________________Hobbies__________________________________________________________YuanLongping84agriculturescientistviolinmusic,mah-jong,swimming,reading

SouthwestAgriculturalCollege

PersonalInformation6策劃：《學(xué)生雙語(yǔ)報(bào)》6/64DetailedreadingRead

eachparagraphascarefullyasyoucan.Afteryoufinishthereading,let’sdosomeexercises.7策劃：《學(xué)生雙語(yǔ)報(bào)》7/64Para.1WhatdoesDrYuanlooklike?Hehasa

sunburntfaceandarmsandaslim,strongbody.Heismorelikeafarmerthanascientist.Whatdoeshegrow?Hegrowswhatiscalled

superhybridrice.8策劃：《學(xué)生雙語(yǔ)報(bào)》8/64Para.2A.

Hewasbornintoapoorfarmer’sfamily.B.

HegraduatedfromSouthwestAgriculturecollege.C.

In1950,Chinesefarmersproduced50million

tonsofrice.D.

Hesearchedawaytoincreasericeoutputs

withoutexpandingtheareaoffields.E.

Hehelpsridtheworldofhungerbycirculating

hisknowledgeinlessdevelopedcountries.inrighttimeorderacbed9策劃：《學(xué)生雙語(yǔ)報(bào)》9/64Para.3WhichoneisnottrueaboutDrYuan?A.He

issatisfiedwith

hislifebecauseheis

nowrichandfamous.B.Hecareslittleaboutmoneyandfame.C.He

wouldrather

workthan

leada

comfortable

life.D.Heenjoysasimplerlifethanmostrichandfamouspeople.10策劃：《學(xué)生雙語(yǔ)報(bào)》10/64Para.4WhatdidDrYuan’sricelooklikeinhisdream?Thericeplantswereastallassorghum.Eachearofricewasasbigasanearofcorn.Eachgrainofricewasashugeasapeanut.11策劃：《學(xué)生雙語(yǔ)報(bào)》11/64Achievements:1.

2.3.Hegrowssuperhybridricethathasahigh_________.He________hisknowledgeabroad.Hegivesmoneyto_____othersfortheirresearch.outputcirculatesequip12策劃：《學(xué)生雙語(yǔ)報(bào)》12/64Post-readingThereisstillhungerintheworldIfyouhadthechancetodosomethingtohelpendhungerintheworld,whatwouldyoudo?13策劃：《學(xué)生雙語(yǔ)報(bào)》13/64Measurestoendhunger:Useourenergyandfoodwisely.

Don’twaste.Educatefarmerssothattheycanusehightechnologyinfarming.Findsomenewwaystostopthepollutiontotheenvironmentandprotectthesoilinthefield.Findanewsortoffertilizertogivericeenoughnutrition.5.Controlthepopulationintheworld.14策劃：《學(xué)生雙語(yǔ)報(bào)》14/64Exercise1

sunburnt;rid…of;expand;circulate;wouldrather;struggle;export;satisfiedwith;equip;crop;thankstoExercise2

1.Statistics;globe;2.Super;nationalities;3.Hunger,disease4.Vietnam,occupations5.Freedom,exportedExercise3Decade,struggle,expanding,equipped,output,grain,crops,battles,disturbing

15策劃：《學(xué)生雙語(yǔ)報(bào)》15/641Indeed,hissunburnt……farmers,forwhomhehasstruggledforthepastfivedecades.指出從句類(lèi)型，及為何用for我們必須努力為過(guò)上幸福生活而奮斗。Wemuststruggleforahappylife.這位老人一直與病魔斗爭(zhēng)。Theoldmanhasstruggledwithillness.struggleforstrugglewith/against16策劃：《學(xué)生雙語(yǔ)報(bào)》16/642DrYuangrowswhatiscalledsuperhybridrice.指出從句類(lèi)型，并分析句子成份17策劃：《學(xué)生雙語(yǔ)報(bào)》17/643.Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.指出it使用方法好天氣使我們下周出游成為可能。他不論在哪里，都把天天跑步一小時(shí)看成要求去執(zhí)行。Thefineweathermakespossibleforustogoforanoutingnextweek.Whereverheis,hemakesitaruletorunforanhoureveryday.18策劃：《學(xué)生雙語(yǔ)報(bào)》18/644.Nowmorethan60%ofthericeproducedinChinaeachyearisfromthishybridstrain.指出producedinChinaeachyear作用回想morethan使用方法19策劃：《學(xué)生雙語(yǔ)報(bào)》19/645.Bornintoapoorfarmer’sfamily,DrYuangraduatedfrom….為何不用beborninto回想graduate使用方法20策劃：《學(xué)生雙語(yǔ)報(bào)》20/646.Atthattime,hungerwasadisturbingprobleminmanypartsofthecountryside.兩國(guó)間爭(zhēng)端又有了令人不安新發(fā)展。Thereisadisturbingnewdevelopmentinthedisputebetweenthetwocountries.對(duì)不起，打攪你一下，你能否告訴我這機(jī)器怎樣運(yùn)作嗎？I’msorrytodisturbyou,butcouldyoutellmehowthismachineworks?21策劃：《學(xué)生雙語(yǔ)報(bào)》21/647.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.Usinghishybridrice,farmersareproducingharvesttwiceaslargeasbefore.多虧了你們幫助，我們提前完成了任務(wù)。Thankstoyourhelpwefinishedthetaskaheadoftime.袁博士努力使世界不再饑荒。Dr.Yuantrieshardtoridtheworldoffamine.getridof擺脫，除去Hecan’tgetridofthecold.回想倍數(shù)表示22策劃：《學(xué)生雙語(yǔ)報(bào)》22/648.DrYuanisquitesatisfiedwithhislife.Makesentencesusingbesatisfiedwithsatisfy/satisfying/satisfied/satisfaction23策劃：《學(xué)生雙語(yǔ)報(bào)》23/649.Hewouldmuchratherkeeptimeforhishobbies.Makesentencesusingwouldrather24策劃：《學(xué)生雙語(yǔ)報(bào)》24/6410.Hethereforegivesmillionsofyuantoequipothersfortheirresearchinagriculture.請(qǐng)準(zhǔn)備一支尖鉛筆和一支一塊橡皮參加考試。當(dāng)今全部汽車(chē)都配置安全帶。Pleaseequipyourselfwithasharppencilandarubberfortheexam.Allcarsmadenowadaysareequippedwithsafetybelts.25策劃：《學(xué)生雙語(yǔ)報(bào)》25/6411.Dr.Yuanawokefromhisdreamwiththehopeofproducingakindofricethatcouldfeedmorepeople.他天天早上都讀英語(yǔ)，希望自己在考試中有個(gè)好成績(jī)。HereadEnglisheverymorningwiththehope

ofagoodresultintheexamination.26策劃：《學(xué)生雙語(yǔ)報(bào)》26/64Bebornintoa….familyGraduatefromSearchforlessdevelopedcountriesCareaboutMakeitpossibletodosthCareforbesatisfiedwithwiththehopeof27策劃：《學(xué)生雙語(yǔ)報(bào)》27/64HomeworkRememberthesentences.Pre-viewtheVer-ingform(P90),finishExx.P13.youhuaP24-27.28策劃：《學(xué)生雙語(yǔ)報(bào)》28/64ChemicalOrOrganicFarming?29策劃：《學(xué)生雙語(yǔ)報(bào)》29/64Revision1.我們必須努力為過(guò)上幸福生活而奮斗。Wemuststruggleforahappylife.2.這位老人一直與病魔斗爭(zhēng)。Theoldmanhasstruggledwithillness.3.他不論在哪里，都把天天跑步一小時(shí)看成要求去執(zhí)行。Whereverheis,hemakesitaruletorunforanhoureveryday.4.兩國(guó)間爭(zhēng)端又有了令人不安新發(fā)展。Thereisadisturbingnewdevelopmentinthedisputebetweenthetwocountries.5.多虧了你們幫助，我們提前完成了任務(wù)。Thankstoyourhelpwefinishedthetaskaheadoftime.30策劃：《學(xué)生雙語(yǔ)報(bào)》30/64Evenwhenhewasayoungman,heknewhowimportantitwastoproducebiggerricecrops.Duringhisearlyyears,muchofthecountrysidewastroubledbyhunger.Astheyusehishybridrice,farmersareproducingtwiceasmuchriceasbefore.Heisnotinterestedinbuyingthingsforhimselforinhavingacomfortablelife.Itdoesnotcostanythingtodreamforsomething.Paraphrase31策劃：《學(xué)生雙語(yǔ)報(bào)》31/64Ex.3decadestruggleexpandingEquippedoutputgraincropsbattlesdisturbingEx.31stgroup:promisefailhopeaffordhopeplan2ndgroup:enjoyfinishmindmisskeep3rdgroup:trystopbeginforgetlikestart32策劃：《學(xué)生雙語(yǔ)報(bào)》32/64Ex.4toseelearninghavingtoexperimenttryingouttofindouttodeveloptofailowningsending33策劃：《學(xué)生雙語(yǔ)報(bào)》33/64Firstreading:getthemainideaofeachparagraph.para1:Anewdiscoveryofscientists.para2:Severalproblemscausedbyusingchemicalfertilizers.para3:Theadvantagesofusingorganicfarming.para4:Somemethodstokeepthesoilfertile.34策劃：《學(xué)生雙語(yǔ)報(bào)》34/641Whyarechemicalfertilizerssopopularinfarmingtoday?2Afterthelong-termuseofchemicalfertilizers,whathavescientistsfound?Manyfarmerswelcomedthemasa

greatwaytostopcropdiseaseandincreaseproduction.Long-termuseofchemicalfertilizerscancausedamagetothelandand,evenmoredangerous,topeople’shealth.Recently,however,therefore;meanwhile;anyhow;thus;otherwise;moreover;besidesetc.SecondreadingTips:theusageofseveraladverbsmeansclearandreasonableconnectionbetweenparts.35策劃：《學(xué)生雙語(yǔ)報(bào)》35/64Readparagraph2andfindouttheproblemscausedbyusingchemicalfertilizers.Therearethreeproblems.First,theycandamage…aswellas….Theyalsostayinthe…and….Inaddition,…growtoofastto….Tips:connectives（過(guò)渡詞）andtransitionalphrases（過(guò)渡詞）fordevelopmentfirst;second;finally;lastbutnotleast,etc.36策劃：《學(xué)生雙語(yǔ)報(bào)》36/64Readparagraph3-4

Whataretheadvantagesoforganicfarming?

Thefarmersfocusonkeepingtheirsoilrichandfreeofdiseaseandkeepingtheair,soil,waterandcropsfreefromchemicals.Tips:severalphrasescanbeused.37策劃：《學(xué)生雙語(yǔ)報(bào)》37/64Themethodstokeepthesoilfertile1usingnaturalwastefromanimalsasfertilizer.2changingthekindofcropineachfield.3plantingcropstousedifferentlevelsofsoil4

plantinggrassbetweencropstoprevent…

Thesamegoal:____________________________________________________________________________________________

togrowgoodfoodandtoavoiddamagingtheenvironmentorpeople’shealth.Tips:infinitive”to”isusedtoexpressthepurpose38策劃：《學(xué)生雙語(yǔ)報(bào)》38/641…suchaswheatorcornthatneedrichandfertilesoil.2…plantingpeanutsthatusetheground’ssurfacefollowedbyvegetablesthatputdowndeeproots.Readthefollowingsentence,andfindwhattheyhaveincommon?Tips:clausesmakethepassagelogical（邏輯）andbeautifulNounClauses&AttributiveClauseThetwosentencesbothincludeattibutiveclause.39策劃：《學(xué)生雙語(yǔ)報(bào)》39/641.好好準(zhǔn)備在考試那天發(fā)揮出最高水平。Buildyourselfuptopeakperformanceonthedayoftheexam.Revisionbuildup加大；加強(qiáng)；增多；建立40策劃：《學(xué)生雙語(yǔ)報(bào)》40/642.抽煙可能造成肺癌。Smokingcanleadtolungcancer.Makeasentenceusingleadtoleadto造成；通向=cause;resultin41策劃：《學(xué)生雙語(yǔ)報(bào)》41/64他發(fā)覺(jué)極難集中注意一件事在5分鐘以上。Hefoundithardtofocusononethingforlongerthanfiveminutes.3.我們必須把精力集中在緊迫問(wèn)題上。Wemustfocusourattentionontheurgentproblem.focusone’sattention/eyeson42策劃：《學(xué)生雙語(yǔ)報(bào)》42/644.戒煙會(huì)降低得心臟病危險(xiǎn)。Givingupsmokingreducestheriskofheartdisease.企業(yè)正在努力降低開(kāi)支。Thecompanyistryinghardtoreduceexpenses.這條旁道通車(chē)后，城里來(lái)往車(chē)輛就降低了。Trafficinthetownhasdroppedoffsincethebypassopened.43策劃：《學(xué)生雙語(yǔ)報(bào)》43/645.堅(jiān)持體育鍛煉會(huì)使你遠(yuǎn)離感冒。Constantexercisecankeepyoufreefromcold.必須制訂一些可行辦法預(yù)防學(xué)生作業(yè)過(guò)多。Somepracticalmeasuresmustbemadeto

keepstudentsfreefromtoomuchhomework.keep…(free)from/of…Makeasentence44策劃：《學(xué)生雙語(yǔ)報(bào)》44/64para1:Anewdiscoveryofscientists.para2:Severalproblemscausedbyusingchemicalfertilizers.para3:Theadvantagesofusingorganicfarming.para4:Somemethodstokeepthesoilfertile.ThestructureofthispassagePara1TopicPara2ProblemsPara3AdvantagesPara4Severalmethodsillustration（說(shuō)明）comparisonconclusionThetypeofthearticleis_____________exposition（說(shuō)明文）45策劃：《學(xué)生雙語(yǔ)報(bào)》45/64WritingWriteasummaryofthispassagefollowingtheprocedure.step1.skimthepassagetofinditsmainidea.Writeitdowninyourownwords.

Chemicalfertilizercancausemanyproblems,soorganicfarmingisbecomingmorepopular.46策劃：《學(xué)生雙語(yǔ)報(bào)》46/64Step3:writeasummary.step2:underliningandrewordingtopicsentences.Step4:Swapsummarieswithyourpartnerandgiveeachothercomments.47策劃：《學(xué)生雙語(yǔ)報(bào)》47/64Homework1.Recitetherestofthewords.2.recitethesentences（書(shū)本80頁(yè)和優(yōu)化30-31頁(yè)）.3.做優(yōu)化P27-2948策劃：《學(xué)生雙語(yǔ)報(bào)》48/64請(qǐng)以“PLASTICORCLOTHBAGS?”為題模仿這篇文章篇章結(jié)構(gòu)和句子結(jié)構(gòu)去寫(xiě)一篇說(shuō)明文。49策劃：《學(xué)生雙語(yǔ)報(bào)》49/64DiscussionandpracticePlasticOrClothBags?illustration（說(shuō)明）comparisonconclusionPara1:Para2:Para3:Para4:Haveabriefillustrationofthepresentsituation.Theproblemscausedbyusingplasticbags.Theadvanagesofusingclothbags.Conclusion.50策劃：《學(xué)生雙語(yǔ)報(bào)》50/64Thefollowingwordsmayhelpyou.Overthepasthalfcentury,…h(huán)avebecomeverycommon….…welcomedthemasa…wayto….Recently,however,wehavebeenfindingthattheycancausedamageto…,even…,topeople’shealth.51策劃：《學(xué)生雙語(yǔ)報(bào)》51/64UsingStructures52策劃：《學(xué)生雙語(yǔ)報(bào)》52/64Listening:Ex.1Thepossiblebadeffectsofchemicalfertilizersonthefruitandvegetablesthatweeattoday.Ex.2TFTFT53策劃：《學(xué)生雙語(yǔ)報(bào)》53/64What’swrongwiththevegetables?Girl:Hey,Paul,listentothis…amagazinearticleaboutafarmerwhousedtoomuchchemicalfertilizeronhisfields.whenhisvegetableswerepicked,theywereallfoundtobeempty!Boy:Empty?Youarejoking,Carrie…thatcan’tbetrue!G:Ididn’tbelieveiteither!Thisarticlesaysthiscanhappensometimeswithvegetableslikecucumbers,carrotsandpumpkins.Thechemicalfertilizermakesthevegetablesgrowfasttolookbigandbeautiful,butthey’reemptyinside!54策劃：《學(xué)生雙語(yǔ)報(bào)》54/64B:Youknow,I’venoticedthatsometimesmymumbuyscarrotsfromthesupermarketthathavebigholesdownthecenter.Iguessthatmustbefromusingchemicalfertilizers!G:Yeah,that’swhatthemagazinesays!Themainpointofthearticle,though,isn’taboutholesinourvegetables.It’stalkingaboutwhythefruitandvegetablesweeattodayaren’tasnutritiousastheonesourgrandparentsate.B:What?Mymumisalwaystellingmetoeatmorevegetables,becausethey’regoodforme!55策劃：《學(xué)生雙語(yǔ)報(bào)》55/64G:Yeah,Iknow-mymothersaysthatsamething!Andit’strue-they’regoodforus…butthepeoblemisthattheyaren’thealthyenough!Allthesechemicalfertilizers-theykilloffboththebadANDthegoodthingsintheground.thegrounddoesn’thaveenoughvitaminsandmineralsanymoretohelpcropsgrowhealthy.B:So…ifourfruitandvegetablesweregrownwithchemicalfertilizers,theymightLOOKhealthy,butprobablyaren’tREALLYhealthy?Iguesswe’vegottostopusingsomanychemicalfertilizerstogrowourfood!56策劃：《學(xué)生雙語(yǔ)報(bào)》56/64Homework1.書(shū)本P49-50.2.優(yōu)化unit2.3.周日早讀：全部單詞、短語(yǔ)和句子57策劃：《學(xué)生雙語(yǔ)報(bào)》57/64Workbook58策劃：《學(xué)生雙語(yǔ)報(bào)》58/64OnepossibleversionInrecentdays,scientistshavediscoveredthatusingchemicalfertilizersforalongtimecanhurtthelandandalsopeople’shealth.

Thereareseveralproblemscausedbychemicalfertilizers.Theyhurtthehealthoftheland,stayinthewaterforalongtimeandgetintopeople’sbodiesthroughtheirfood.Organicfarmingisbecomingmorepopularwithsomefarmersandmanycustomersafterthesediscoveri