二0二三学年高中英语Unit2WorkingthelandPeriod1R

人教版必修四Unit2Workingtheland之Periods1WarmingupandReading教学设计ThisperiodincludesWarmingup,Pre-reading,ReadingandComprehendingofUnitintroducessomethingaboutagriculture,especiallyaboutDrYuanandhissuperhybridcanhelpthestudents,especiallythestudentsincities,knowsomethingaboutfactthisworldfacesaseriousproblem—starvation.SoafterreadingthepassageaboutDrYuanthestudentswillknowtheimportanceofhisachievementtocoursetheywilllearnfromDrYuansomenoblecharacters,andlearnhowtheyshouldtrytheirbesttomakecontributionstothesociety.TeachingImportantPointsHelpthestudentstounderstandthepassagebetter.Learnandmastertheimportantwordsandphrasesinthisperiod.HowtohelpthestudentsmakeuptheirmindstomakecontributionstothesocietyinthefuturelikeDrYuan.TeachingDifficultPointsHowtohelpthestudentsimprovetheirreadingabilityandunderstandthepassagebetter.Howtomastertheimportantlanguagepointsinthispassage.TeachingMethodsFastreadingtogetthegeneralideaofthetext.Detailreadingtounderstandthepassagebetter.Explanationtohelpthestudentsmastersomelanguagepoints.Discussiontohelpthestudentsunderstandbetterwhatthey’velearnedandtousetheknowledgethey’velearnedinthisperiod.TeachingAidsAtaperecorderAmultimediaThreeDimensionalTeachingAimsKnowledgeandSkillsTrainthestudents’readingability.Learnthefollowingusefulwords,expressionsanddrills:Words:sunburn,struggle,super,expand,circulate,equip,exportExpressions:rid...of,besatisfiedwith,leada...life,searchfor,wouldrather,thanksto,withthehopeof,ratherthanDrills:1)Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.2)Hecareslittleaboutspendingthemoneyonhimselforleadingacomfortablelife.3)Healsodoesn’tcareaboutbeingfamous.4)Hefeelsitgiveshimlessfreedomtodohisresearch.5)Hisotherhobbiesincludeplayingmah-jong,swimmingandreading.6)Wishingforthings,however,costsnothing.Enablethestudentstolearnmoreaboutagriculture,countrysideandcanexchangetheirexperiencewitheachotherbytalkingandrealizetherolethatagricultureplaysinhumanlifefromthispart.ProcessandStrategiesFastreadingtomakethestudentsgetthemainideaofthepassage.Explanationtomakethestudentsmastersomelanguagepoints.FeelingsandValueItcanhelpthestudents,especiallythestudentsincities,knowsomethingaboutagriculture.TeachingProceduresStep1WarmingupT:Goodmorning/afternooneveryone.Ss:Goodmorning/afternoon,teacher.T:Inunit1thepreviowswelearntsomegreatwe’lllearnsomethingaboutafamousfirstlet’slookatthefollowingpicturesandtellmewhatthepeoplearedoing?Ss:Theyarefarming.T:Areyoufromafarmer’sfamily?Whatdoyouknowaboutfarming?(Showthefollowingchartwordbywordonthescreen,andaskthemtotellmore.)soilcropsploughingweatherandclimateirrigating...T:Maybeeveryoneknowssomethingaboutthemodernagriculture,butdoyouknowanythingabouttheagricultureinthepast?Thenshowthestudentsthefollowingpictures:AgricultureinthepastThemodernagricultureStep2Pre-readingThepurposeofthisstepistoletthestudentsknowtheimportanceofansweringthetwoquestions,thestudentscaneasilyunderstandwhywecallDrYuanLongpingapioneerforallpeople,andwhyhedevotesallhislifetothericeresearch.T:WhatisthemainfoodinallEastAsianandSoutheastAsiancountries?Ss:issaidthattherearebillionpeopletoeatriceeverydaythroughouttheworld.T:Whatdoyouthinkwouldhappeniftherewassuddenlynoricetoeat?Ss:Ifthathappened,peopletherewouldsufferfromwouldbepanic(惊慌)andthewholecountrywouldgetintotrouble.T:ButtodayitwillnothappenbecauseDrYuanLongpinghelpstodaywe’lllearnapassageaboutDrYuan,theFatherofhybrid’scometothetext.Step3FastreadingThereadingmaterialisaboutanagriculturalpioneernamedYuanLongpingwhoworkedhardatanewstrainofhasprovedsosuccessfulthathistechnologyspreadintootherpurposeofthefastreadingistoletthestudentsfindsomeusefulinformation，andgetfamiliarwiththeinthisstep,theteachercandesignsomequestionstheforthestudents,sothattheycaneasilyfindtheanswersandfinishthereadingtask.T:ReadthetextfastandfindouttheanswerstothequestionsontheI’dliketoaskyoutoanswerthem.Showthequestionsonthescreenandgivethestudentsthreeminutestoreadthetextquickly.isDrYuan’sappearance?’shisachievement?youthinkheisagreatman?Why?Threeminuteslater.T:Nowwhowouldliketoanswerthefirstquestion?S:hasasunburntfaceandarmsandaslim,strongismorelikeafarmerthanascientist.T:Youareright,verygood!Whataboutthesecondone?S:growswhatiscalledsuperhybridrice,whichmakesitpossibletoproduceone-thirdmoreofthecropinthesametohisresearch,theUNistryingtoridtheworldofhishybridricefarmers’producingharveststwiceaslargeasbefore.T:Doyouthinkheisagreatman?Why?(Ssgivetheirownanswers.)Step4DetailedreadingT:Pleasereadthetextagain,andtrytofindtheanswersforthefollowingquestions:I’llgiveyoufourminutes.didDrYuanwanttoincreasethericeoutputwhenhewasyoung?doeshehelpridtheworldofhunger?kindoflifeisDrYuanleading?afewwordstodescribeDrYuan’spersonality.Fourminuteslater.T:Whohavefoundtheanswerforthefirstquestion?Suggestedanswers:Yuanwantedtoincreasethericeoutputbecausehesawmanypeoplegohungrywhenhewasyoung.helpstheworldgetridofhungerbyproducingahybridstrainofricewhichincreasetheharvest.Yuanisleadingasimplelife,doinghisresearch,listeningtohismusicandridinghismotor-bike.Yuanisasimple,academicmanwhoismoreinterestedinhelpingothersthanbeingfamous.Step5ExtensivereadingT:Nowpleasereadthetextforthethirdtime,thenfillthefollowingchart:Ssreadandfillthechart:NameYuanLongpingBornGraduatedAppearanceHehas__________faceandbodyis__________butthismakeshimlookasareal__________.AchievementsHesucceededin__________.Hebecamethefirstagricultural__________intheworldtogrow__________whoseoutputishelpedthegovernmenthighlyincreasethe__________ofgrain.Personalitylittlefor__________liketolivealifeof__________great__________.Step6DiscussionDoyouwanttoendthefamine(饥荒)intheworld?Ifyouhadthechancetodoonethingtohelpendhungerintheworld,whatwouldyoudo?Inventanewkindofplanttoproducemorefood.Findasortoffertilizer(肥料)togivericeenoughnutrition.Stopthepollutiontotheenvironmentandprotectthesoilinthefield.Step7LanguagepointsTheteacherexplainstheimportantwordsandexpressionsfromthetouseasmanyexamplesaspossibletoillustratetheillustration,theteachercangivethestudentssomeexercisetoconsolidatetheirunderstanding.Step8HomeworkFinishtheexercisesonWorkbook.Prepareforthenextclass.TheDesignoftheWritingontheBlackboardUnit2WorkingthelandPeriod1WarmingupandReadingLanguagefocus...ofmakesb./from(sb./allwishthatwewouldridtheworldoffamine.Thefarmerrecentlytriedtoridthehouseofrats.a...life,livea...lifeweareleadingahappylife.Intheolddaysfarmersledaterriblelifeinthecountry.rather,prefertoratherwalkthantakeabus.I’dratheryouknewthatnow,thanafterwards.RecordafterTeachingActivitiesandResearchResearchoncropsThisactivityisintendedforgroupstudentshavetoassignthemselvesthestudentsareaskedtostudythreeorfourcropsthataregrownontheland,includingwhereitgrows;thevarieties;itsidealactivityisimportantforthestudentsasitencouragesindependentlearninganddevelopsresearchskills.eachgrouptofindouttheinformationofonekindofcrop.cansearchsomeinformationontheInternet,theycanalsogainalotofinformationfromagoodsetofencyclopedia.themtodotheworkoutofschoolashomeworkorindependentprojectwork.thestudentsorganizetheirinformationunderthethreeheadings:geography,varietiesandenvironment.studentspresenttheirwork,praisetheireffortsinclassandgivethemencouragementandsuggestionstoimprovethequalityoftheirfutureprojects.canalsodisplaythestudents’projectsforotherclassesandtheirparentstosee.ReferenceforTeachingBackgroundInformation1)CucumbersCucumbersaregrownforeatingfreshorpreservingasmustbegrowninwarmtemperaturesandfullsunlight,andwillnotstandmaturequicklyandarebestsuitedtolargegardensbutcanbegrowninsmallareasifcagedortrellised.Cucumbersdobestinloose,sandyloamsoilbutcanbegrowninanywelldrainedrocks,largesticksandtrashbeforepreparingthefinepiecesofplantmaterialsuchasdeadgrassandsmallwillhelpenrichthesoilwhenturnedthesoiltoadepthof8to12inches.Thisisaboutthedepthreachedbymostshovelsorspadingeachshovelofsoilcompletelyoversoallplantmaterialsarecoveredwithsoil.2)TomatoesTomatoesarewarmseasonplantsrequiringatleastsixhoursperareveryvarietiesoftomatoeswillnotsetfruitunlesstheaveragenighttimetemperaturestaysabove55nighttimetemperaturesareexpectedtodropbelow55degrees,protecttheplantsusingapolyethylenefilm.Oneofthemostcommonproblemswithtomatoesiscalledblossomendrotwhichappearsasagrayordarkleatheryscarorrotontheblossomendoftheisusuallycausedbysuddenorinconsistentmoisturelevelsinthecanalsobecausedbyalackofcalciuminthecommonproblemoftomatoesisblossomcanoccurifnighttimetemperaturesdropbelow55degreesandplantsarenotandtubegrowtharesoslowthattheblossomsdropoffbeforetheycanbefertilized.3)PeasPeasareafrost-hardy,cool-seasonvegetablethatcanbegrownthroughoutmostoftheUnitedStates,whereveracoolseasonofsufficientdurationgardeningpurposes,peasmaybeclassifiedasgardenpeas(Englishpeas),snappeasandsnowpeas(sugarpeas).Gardenpeavarietieshavesmoothorwrinkledsmooth-seededvarietiestendtohavemorestarchthanthewrinkled-seededwrinkled-seededvarietiesaregenerallysweeterandusuallypreferredforhomesmooth-seededtypesareusedmoreoftentoproduceripeseedsthatareusedlikedrybeansandtomakesplit-peapeashavebeendevelopedfromgardenpeastohavelow-fiberpodsthatcanbesnappedandeatenalongwiththeimmaturepeaspeasaremeanttobeharvestedasflat,tenderpodsbeforethepeasinsidedevelopatSouthernpea(cowpea)isanentirelydifferentwarm-seasonvegetablethatisplantedandgrowninthesamemannerasbeans.OrganicFoodSafe?foodisassafetoconsumeasanyotherkindofaswithanykindofproduce,consumersshouldwashbeforeconsumingtoensuremaximumcitedabove,organicproducecontainssignificantlylowerlevelsofpesticideresiduesthanconventionalisacommonmisconceptionthatorganicfoodcouldbeatgreaterriskofcontaminationbecauseofrawmanureapplicationalthoughconventionalfarmerscommonlyapplytonsofrawmanureaswellwithnoregulationstandardssetstrictguidelinesonmanureuseinorganicfarming:Eitheritmustbefirstcomposted,oritmustbeappliedatleast90daysbeforeharvest,whichallowsampletimeformicrobialbreakdownofanypathogens.Whydoesorganiccostmore?Thecostoforganicfoodishigherthanthatofconventionalfoodbecausetheorganicpricetagmorecloselyreflectsthetruecostofgrowingthefood:substitutinglaborandintensivemanagementforchemicals,thehealthandenvironmentalcostsofwhicharebornebycostsincludecleanupofpollutedwaterandremediationofpesticidefororganicfoodsincludecostsofgrowing,harvesting,transportationandthecaseofprocessedfoods,processingandpackagingcostsarealsoproducedfoodsmustmeetstricterregulationsgoverningallthesestepsthanconventionalintensivemanagementandlaborusedinorganicproductionarefrequently(thoughnotalways)moreexpensivethanthechemicalsroutinelyusedonconventionalismountingevidencethatifalltheindirectcostsofconventionalfoodproductionwerefactoredintothepriceoffood,organicfoodswouldcostthesame,or,morelikely,becheaperthanconventionalfood.CoalitionProposesWorldHungerReformsRome,Italy,May28\—Aninternationalcoalitionpromotingplant-basedsolutionstoworldhungerproposedsweepingreformstodelegatestotheFoodandAgricultureOrganizationmeetingonworldfoodsecurityinpurposeofthemeetingwastorepairaflawedprocessthatwassupposedtoreducethenumberofchronicallyhungrypeopleintheworldbyhalfbytheyear2022.Thecoalition’spositionpapermakesseveralcreativepointstocleartheimpasse:Akeyrootcauseofworldhunger,asidefromnaturaldisasters,pests,andwars,hasbeentheinsistencefirstbycolonialpowersandnowbycorporateinterestsonproductionofcashcropsforexport,inplaceofsufficientnutritious,safe,andaccessiblefoodforthelocalpopulation.Internationaltradecannotsolveworldhungerbecauseitshiftslimitedagriculturalresourcestoproductionofcashcropsforexport,andpeoplewhodon’thaveaccesstofoodandotherbasicnecessitiesoflifehavenothingtotrade.Westernmeatindustries,facingpublicawarenessofthehealthimpactsandstrictenvironmentalregulationsathome,seektoexploitthenaturalresources,cheaplabor,andpotentialmarketsoflow-incomefood-deficientnations(LIFDNs).Thedefinitionoffoodsecurityasthesustainableavailabilityofsufficientamountsofnutritious,safe,andaccessiblefoodstuffsleadsinevitablytothechoiceofplant-basedsolutionsandtheavoidanceofanimal-basedsolutions.Affluentnationsshouldactupontheirmoralobligationtoprovidetheresourcesnecessarytotransportanddistributewesternfoodsurplusestotheworld’shungrypeopleandtohelpsetupsustainableproductionofsufficientnutritious,safe,andaccessiblelocallygrownplant-basedshouldreducetheirowndependenceonanimal-baseddietstoreleasefoodstuffsforthehungry.LIFDNsshouldscrutinizecarefullyalloffersofresourcestomakesurethatthesetrulymeettheirneeds,ratherthanthoseofwesterncorporateshouldinsistonbuildingupsustainableproductionofsufficientnutritious,safe,andaccessiblelocallygrownplant-basedfoods.Inadditiontodistributingthepositionpapertothedelegates,coalitionactivistsalsohandedoutleafletsattheFAORomeactionsareplannedinconnectionwiththeWorldFoodSummittobeheldinRomeinNovember.MembersofthecoalitionincludeFARM,aorganizationwhichhaspromotedsustainable,humanefarmingpracticessince1976，andtwoItaliangroups,SocietaVegetariana(Milan)andProgettoVivereVegan(Florence).:VegetarianSolutionsNow—VegfamVegfamisacharitableorganizationwiththemissiontofeedthehungrywithoutexploitinanimals.Itwasfoundedin1963inEnglandbyChrisandJanetRuthandFriedensternHowardbecameandotherscontinueitsworktodayoutoftheofficeinDevon,England.(VEGFAM,TheSanctuary,NrLydford,Okehampton,DevonForover30years,Vegfamhasbeenworkingwithandinfluencingmajorcharitiesaroundtheworld,byco-financingprojectsthatdonotexploitworksthroughindigenouson-the-spotrepresentatives,andworkswithexistingcharitiestosupportimmediateandlong-termfoodandwater-aidworkingwithexistingcharities,Vegfameducatesthesegroupsabouttheneedforreliefeffortsthatdonotfeedthehungryattheexpenseofanimalsandtheenvironment.Short-termaidforfaminevictimsincludespurchasinggrains,legumes,fruits,nuts,andvegetables,andprovidingwateraidincludesprovidingseedsforplanting,irrigationprojects,diggingwaterwells,providingfruitandnuttrees,providingvegetableplotsand/ortrainingpeopletogrowvegetables,andLeafConcentrateofthecountriesaidedbyVegfamareIndia,Bangladesh,Vietnam,Sudan,Ethiopia,Nigeria/Biafra,Somalia,Syria,Lebanon,Zimbabwe,andmanymore.In1994helpwassenttoAngola,Rwanda,andmadein1995were,insterling;(1=about$,andtheamountsaresmallcomparedtoneed,to:MALAWI(MonkeyBay)1000tofinancerunningaFruitTreeINDIA(Madurai)1265fortwowellsinKarumbalaiforpoorvillagerswhowouldotherwisehavetowalktofeedorphansintheorphanageatChathirpatti.(TheorphansaretakeninfromvariousdisastersinIndia:flood,earthquake,plague,etc.)BothoftheseeffortsareinsupportoftheworkofPastorJesudoss.INDIA(Jaipur)500fortheleafconcentratechildfeedingprogramsrunbyFindYourFeet.INDIA(HimalayasKumaon)500foramedicinalandculinaryherbnurserywhichwillhelpsubsistencefarmersearnalivingandovercomeafoodshortage,andpreservethewild-growingherbsthatarebeingexcessivelyharvested.ELSALVADOR2500forgrowinganddryingcowpealeavestoaddtochildren’ssnackstoalleviatemalnutrition,incooperationwithalocalagency,andFindYourFeet.Sofarin1996donationshavebeenmadeto:INDIA,throughPastorJesudoss:500tohelpfeedrefugeesfromSriLanka,and1220totheorphanage.ZAMBIA:3000foramaizegrindingmill,donatedthroughtheZambianSocietyOfVegetarians.MEXICO:2000foradriedleafprojectofFINDYOURFEETwithcooperationofalocalagency.NIGERIA，andawaitingfunding,isasoyflourdistributionprojecttobeconductedbytheNigerianVegetarianSociety.AboutChineseAgricultureChinaisacountrywhosepopulationranksthefirstintheordertofeedthewholepopulation,Chinesefarmersmustproduceenoughtheotherhand,theyshouldproducemoreandbetterproductswhichcanbeexportedtoimprovetheirlivingChinaonlyhas7%ofthelandwhichcanbeusedfor,farmersinChinahavealwaysbeenlookingforbettermethodsandtechniquestoproducemorehavealsohadtofindwaystoworkonmorelandwithfewerthepast20years,greatachievementshavebeenmadeinChinaandChina’sthehelpofnewtechniquesandtheoutstandingworkofscientists,Chinahasnotonlysolvedtheproblemofhungerbutalsotakenaleadinagriculturalresearch,especiallyinsuperhybridrice,cropgenome,fertilizerandsoon,causingproductstomultiply.Itisakindofagriculturealthoughtherearedifferencesbetweenlandagricultureandwaterfarminginvolveshumanhelpandproducesfishproteincropsratherthanvegetableormeatproteinhasbeenusedfor2000yearsinChina,Egyptandcaneitherbekeptinearthenpondsorincageswithflowingwaterpassingoverthefisharekeptinearthenpondstheycanbefedeitherwithextranaturalfoodorwithspeciallyproducedfishfisharekeptincagestheyhavetobefedonthespeciallyproducedfishthefisharereadytobeharvestedandsoldforeating,theearthenpondscanbeemptied(ifallthefisharetobeharvested)orthewaterreduced(ifsomeofthefisharetoremain).Inthecagesallthefishwouldbeharvestedistheproblemofdiseasewithfishkeptinaregenerallytooclosetogethersotheygetparasitescanbekilledbygivingmedicinetotheastimegoesby,themedicineisnotabletokillalltheifsomeofthelicegetontothewildfishtheykillmanyofthemaswildfishhavenomedicinetoprotectfishfarmingcancauseproblemsforwildpopulationsoffish.AgricultureForthousandsofyearstraditionalagricultureinChinadidnotchangeveryfarmswereone-familyChinaisaverybigcountry,only7%ofthelandcanbeusedforisonthisarablelandthatthefarmersproducefoodforthewholepopulationofChina.Itisfromtheearly1990sthatscientistsstartedtodevelopnewtechniquestoincreaseagriculturalproductionwithoutharmingthefertilization,forexample,helpstoproducebettercrops,butisharmfultothetechniquesshouldincreaseagriculturalproductionbutalsobefriendlytoagricultureshoulddependonhightechnologyaswellastraditionalonlyfoodproductionisimportantbutalsotakingcareoftheenvironment.ThebiggestproblemofChinesefarmersistheshortageofarablethelatesttechnologies,Chinesescientistsgrowvegetablesinrootsofthesevegetablesarenotpl