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2019-2020年高中英语Unit2《WorkingthelandPeriod1Reading》教案新人教版必修4ThisperiodincludesWarmingupPre-readingReadingandprehendingofUnit
2.ItintroducessomethingaboutagricultureespeciallyaboutDrYuanandhissuperhybridrice.Itcanhelpthestudentsespeciallythestudentsincitiesknowsomethingaboutagriculture.Infactthisworldfacesaseriousproblem—starvation.SoafterreadingthepassageaboutDrYuanthestudentswillknowtheimportanceofhisachievementtoman.OfcoursetheywilllearnfromDrYuansomenoblecharactersandlearnhowtheyshouldtrytheirbesttomakecontributionstothesociety.TeachingImportantPointsHelpthestudentstounderstandthepassagebetter.Learnandmastertheimportantwordsandphrasesinthisperiod.HowtohelpthestudentsmakeuptheirmindstomakecontributionstothesocietyinthefuturelikeDrYuan.TeachingDifficultPointsHowtohelpthestudentsimprovetheirreadingabilityandunderstandthepassagebetter.Howtomastertheimportantlanguagepointsinthispassage.TeachingMethodsFastreadingtogetthegeneralideaofthetext.Detailreadingtounderstandthepassagebetter.Explanationtohelpthestudentsmastersomelanguagepoints.Discussiontohelpthestudentsunderstandbetterwhatthey’velearnedandtousetheknowledgethey’velearnedinthisperiod.TeachingAidsAtaperecorderAmultimediaThreeDimensionalTeachingAimsKnowledgeandSkillsTrainthestudents’readingability.Learnthefollowingusefulwordsexpressionsanddrills:Words:sunburnstrugglesuperexpandcirculateequipexportExpressions:rid...ofbesatisfiedwithleada...lifesearchforwouldratherthankstowiththehopeofratherthanDrills:1Thisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.2Hecareslittleaboutspendingthemoneyonhimselforleadingafortablelife.3Healsodoesn’tcareaboutbeingfamous.4Hefeelsitgiveshimlessfreedomtodohisresearch.5Hisotherhobbiesincludeplayingmah-jongswimmingandreading.6Wishingforthingshowevercostsnothing.Enablethestudentstolearnmoreaboutagriculturecountrysideandfarming.Theycanexchangetheirexperiencewitheachotherbytalkingandrealizetherolethatagricultureplaysinhumanlifefromthispart.ProcessandStrategiesFastreadingtomakethestudentsgetthemainideaofthepassage.Explanationtomakethestudentsmastersomelanguagepoints.FeelingsandValueItcanhelpthestudentsespeciallythestudentsincitiesknowsomethingaboutagriculture.TeachingProceduresStep1WarmingupT:Goodmorning/afternooneveryone.Ss:Goodmorning/afternoonteacher.T:Inunit1thepreviowswelearntsomegreatwomen.Todaywe’lllearnsomethingaboutafamousman.Atfirstlet’slookatthefollowingpicturesandtellmewhatthepeoplearedoingSs:Theyarefarming.T:Areyoufromafarmer’sfamilyWhatdoyouknowaboutfarmingShowthefollowingchartwordbywordonthescreenandaskthemtotellmore.soilcropsploughingweatherandclimateirrigating...T:MaybeeveryoneknowssomethingaboutthemodernagriculturebutdoyouknowanythingabouttheagricultureinthepastThenshowthestudentsthefollowingpictures:AgricultureinthepastThemodernagricultureStep2Pre-readingThepurposeofthisstepistoletthestudentsknowtheimportanceofrice.ByansweringthetwoquestionsthestudentscaneasilyunderstandwhywecallDrYuanLongpingapioneerforallpeopleandwhyhedevotesallhislifetothericeresearch.T:WhatisthemainfoodinallEastAsianandSoutheastAsiancountriesSs:Rice.Itissaidthatthereare
2.4billionpeopletoeatriceeverydaythroughouttheworld.T:WhatdoyouthinkwouldhappeniftherewassuddenlynoricetoeatSs:Ifthathappenedpeopletherewouldsufferfromstarvation.Peoplewouldbepanic惊慌andthewholecountrywouldgetintotrouble.T:ButtodayitwillnothappenbecauseDrYuanLongpinghelpsus.Sotodaywe’lllearnapassageaboutDrYuantheFatherofhybridrice.Let’setothetext.Step3FastreadingThereadingmaterialisaboutanagriculturalpioneernamedYuanLongpingwhoworkedhardatanewstrainofrice.Ithasprovedsosuccessfulthathistechnologyspreadintoothercountries.Thepurposeofthefastreadingistoletthestudentsfindsomeusefulinformation,andgetfamiliarwiththetext.Sointhissteptheteachercandesignsomequestionstheforthestudentssothattheycaneasilyfindtheanswersandfinishthereadingtask.T:Readthetextfastandfindouttheanswerstothequestionsonthescreen.ThenI’dliketoaskyoutoanswerthem.Showthequestionsonthescreenandgivethestudentsthreeminutestoreadthetextquickly.
1.WhatisDrYuan’sappearance
2.What’shisachievement
3.DoyouthinkheisagreatmanWhyThreeminuteslater.T:NowwhowouldliketoanswerthefirstquestionS:
1.Hehasasunburntfaceandarmsandaslimstrongbody.Heismorelikeafarmerthanascientist.T:Youarerightverygood!WhataboutthesecondoneS:
2.Hegrowswhatiscalledsuperhybridricewhichmakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.ThankstohisresearchtheUNistryingtoridtheworldofhunger.Usinghishybridricefarmers’producingharveststwiceaslargeasbefore.T:DoyouthinkheisagreatmanWhySsgivetheirownanswers.Step4DetailedreadingT:Pleasereadthetextagainandtrytofindtheanswersforthefollowingquestions:I’llgiveyoufourminutes.
1.WhydidDrYuanwanttoincreasethericeoutputwhenhewasyoung
2.Howdoeshehelpridtheworldofhunger
3.WhatkindoflifeisDrYuanleading
4.UseafewwordstodescribeDrYuan’spersonality.Fourminuteslater.T:WhohavefoundtheanswerforthefirstquestionSuggestedanswers:
1.DrYuanwantedtoincreasethericeoutputbecausehesawmanypeoplegohungrywhenhewasyoung.
2.Hehelpstheworldgetridofhungerbyproducingahybridstrainofricewhichincreasetheharvest.
3.DrYuanisleadingasimplelifedoinghisresearchlisteningtohismusicandridinghismotor-bike.
4.DrYuanisasimpleacademicmanwhoismoreinterestedinhelpingothersthanbeingfamous.Step5ExtensivereadingT:Nowpleasereadthetextforthethirdtimethenfillthefollowingchart:Ssreadandfillthechart:NameYuanLongpingBornGraduatedAppearanceHehas__________faceandarms.Hisbodyis__________but__________.Allthismakeshimlookasareal__________.AchievementsHesucceededin__________.Hebecamethefirstagricultural__________intheworldtogrow__________ whoseoutputishigh.Hehelpedthegovernmenthighlyincreasethe__________ofgrain.Personality
1.carelittlefor__________
2.wouldliketolivealifeof__________
3.hasgreat__________.Step6DiscussionDoyouwanttoendthefamine饥荒intheworldIfyouhadthechancetodoonethingtohelpendhungerintheworldwhatwouldyoudoInventanewkindofplanttoproducemorefood.Findasortoffertilizer肥料togivericeenoughnutrition.Stopthepollutiontotheenvironmentandprotectthesoilinthefield.Step7LanguagepointsTheteacherexplainstheimportantwordsandexpressionsfromthereading.Trytouseasmanyexamplesaspossibletoillustratethepoint.Afterillustrationtheteachercangivethestudentssomeexercisetoconsolidatetheirunderstanding.Step8HomeworkFinishtheexercisesonWorkbook.Prepareforthenextclass.TheDesignoftheWritingontheBlackboardUnit2 WorkingthelandPeriod1 WarmingupandReadingLanguagefocus
1.rid...of makesb./sth.freefromsb./sth.unpleasante.g.Weallwishthatwewouldridtheworldoffamine.Thefarmerrecentlytriedtoridthehouseofrats.
2.leada...lifelivea...lifee.g.Nowweareleadingahappylife.Intheolddaysfarmersledaterriblelifeinthecountry.
3.wouldratherprefertoe.g.I’dratherwalkthantakeabus.I’dratheryouknewthatnowthanafterwards.RecordafterTeaching ActivitiesandResearchResearchoncropsThisactivityisintendedforgroupcooperation.Thestudentshavetoassignthemselvesthework.Thestudentsareaskedtostudythreeorfourcropsthataregrownonthelandincludingwhereitgrows;thevarieties;itsidealenvironment.Thisactivityisimportantforthestudentsasitencouragesindependentlearninganddevelopsresearchskills.
1.Assigneachgrouptofindouttheinformationofonekindofcrop.
2.StudentscansearchsomeinformationontheInternettheycanalsogainalotofinformationfromagoodsetofencyclopedia.
3.Encouragethemtodotheworkoutofschoolashomeworkorindependentprojectwork.
4.Helpthestudentsorganizetheirinformationunderthethreeheadings:geographyvarietiesandenvironment.
5.Whenstudentspresenttheirworkpraisetheireffortsinclassandgivethemencouragementandsuggestionstoimprovethequalityoftheirfutureprojects.
6.Teachercanalsodisplaythestudents’projectsforotherclassesandtheirparentstosee.ReferenceforTeachingBackgroundInformation
1.Crops1CucumbersCucumbersaregrownforeatingfreshorpreservingaspickles.Theymustbegrowninwarmtemperaturesandfullsunlightandwillnotstandfrost.Cucumbersmaturequicklyandarebestsuitedtolargegardensbutcanbegrowninsmallareasifcagedortrellised.Cucumbersdobestinloosesandyloamsoilbutcanbegrowninanywelldrainedsoil.Removerockslargesticksandtrashbeforepreparingthesoil.Leavefinepiecesofplantmaterialsuchasdeadgrassandsmallweeds.Theywillhelpenrichthesoilwhenturnedunder.Spadethesoiltoadepthof8to12inches.Thisisaboutthedepthreachedbymostshovelsorspadingforks.Turneachshovelofsoilpletelyoversoallplantmaterialsarecoveredwithsoil.2TomatoesTomatoesarewarmseasonplantsrequiringatleastsixhoursperday.Temperaturesareveryimportant.Mostvarietiesoftomatoeswillnotsetfruitunlesstheaveragenighttimetemperaturestaysabove55degrees.Ifnighttimetemperaturesareexpectedtodropbelow55degreesprotecttheplantsusingapolyethylenefilm.Oneofthemostmonproblemswithtomatoesiscalledblossomendrotwhichappearsasagrayordarkleatheryscarorrotontheblossomendofthefruit.Itisusuallycausedbysuddenorinconsistentmoisturelevelsinthesoil.Itcanalsobecausedbyalackofcalciuminthesoil.Anothermonproblemoftomatoesisblossomdrop.Thiscanoccurifnighttimetemperaturesdropbelow55degreesandplantsarenotprotected.Germinationandtubegrowtharesoslowthattheblossomsdropoffbeforetheycanbefertilized.3PeasPeasareafrost-hardycool-seasonvegetablethatcanbegrownthroughoutmostoftheUnitedStateswhereveracoolseasonofsufficientdurationexists.ForgardeningpurposespeasmaybeclassifiedasgardenpeasEnglishpeassnappeasandsnowpeassugarpeas.Gardenpeavarietieshavesmoothorwrinkledseeds.Thesmooth-seededvarietiestendtohavemorestarchthanthewrinkled-seededvarieties.Thewrinkled-seededvarietiesaregenerallysweeterandusuallypreferredforhomeuse.Thesmooth-seededtypesareusedmoreoftentoproduceripeseedsthatareusedlikedrybeansandtomakesplit-peasoup.Snappeashavebeendevelopedfromgardenpeastohavelow-fiberpodsthatcanbesnappedandeatenalongwiththeimmaturepeasinside.Snowpeasaremeanttobeharvestedasflattenderpodsbeforethepeasinsidedevelopatall.TheSouthernpeacowpeaisanentirelydifferentwarm-seasonvegetablethatisplantedandgrowninthesamemannerasbeans.
2.IsOrganicFoodSafeYes.Organicfoodisassafetoconsumeasanyotherkindoffood.Justaswithanykindofproduceconsumersshouldwashbeforeconsumingtoensuremaximumcleanliness.Ascitedaboveorganicproducecontainssignificantlylowerlevelsofpesticideresiduesthanconventionalproduce.ItisamonmisconceptionthatorganicfoodcouldbeatgreaterriskofE.colicontaminationbecauseofrawmanureapplicationalthoughconventionalfarmersmonlyapplytonsofrawmanureaswellwithnoregulationwhatsoever.Organicstandardssetstrictguidelinesonmanureuseinorganicfarming:Eitheritmustbefirstpostedoritmustbeappliedatleast90daysbeforeharvestwhichallowsampletimeformicrobialbreakdownofanypathogens.WhydoesorganiccostmoreThecostoforganicfoodishigherthanthatofconventionalfoodbecausetheorganicpricetagmorecloselyreflectsthetruecostofgrowingthefood:substitutinglaborandintensivemanagementforchemicalsthehealthandenvironmentalcostsofwhicharebornebysociety.Thesecostsincludecleanupofpollutedwaterandremediationofpesticidecontamination.Pricesfororganicfoodsincludecostsofgrowingharvestingtransportationandstorage.Inthecaseofprocessedfoodsprocessingandpackagingcostsarealsoincluded.Organicallyproducedfoodsmustmeetstricterregulationsgoverningallthesestepsthanconventionalfoods.Theintensivemanagementandlaborusedinorganicproductionarefrequentlythoughnotalwaysmoreexpensivethanthechemicalsroutinelyusedonconventionalfarms.Thereismountingevidencethatifalltheindirectcostsofconventionalfoodproductionwerefactoredintothepriceoffoodorganicfoodswouldcostthesameormorelikelybecheaperthanconventionalfood.
3.InternationalCoalitionProposesWorldHungerReformsRomeItalyMay28\—Aninternationalcoalitionpromotingplant-basedsolutionstoworldhungerproposedsweepingreformstodelegatestotheFoodandAgricultureOrganizationmeetingonworldfoodsecurityinRome.Thepurposeofthemeetingwastorepairaflawedprocessthatwassupposedtoreducethenumberofchronicallyhungrypeopleintheworldbyhalfbytheyearxx.Thecoalition’spositionpapermakesseveralcreativepointstocleartheimpasse:Akeyrootcauseofworldhungerasidefromnaturaldisasterspestsandwarshasbeentheinsistencefirstbycolonialpowersandnowbycorporateinterestsonproductionofcashcropsforexportinplaceofsufficientnutritioussafeandaccessiblefoodforthelocalpopulation.Internationaltradecannotsolveworldhungerbecauseitshiftslimitedagriculturalresourcestoproductionofcashcropsforexportandpeoplewhodon’thaveaccesstofoodandotherbasicnecessitiesoflifehavenothingtotrade.Westernmeatindustriesfacingpublicawarenessofthehealthimpactsandstrictenvironmentalregulationsathomeseektoexploitthenaturalresourcescheaplaborandpotentialmarketsoflow-inefood-deficientnationsLIFDNs.Thedefinitionoffoodsecurityasthesustainableavailabilityofsufficientamountsofnutritioussafeandaccessiblefoodstuffsleadsinevitablytothechoiceofplant-basedsolutionsandtheavoidanceofanimal-basedsolutions.Affluentnationsshouldactupontheirmoralobligationtoprovidetheresourcesnecessarytotransportanddistributewesternfoodsurplusestotheworld’shungrypeopleandtohelpsetupsustainableproductionofsufficientnutritioussafeandaccessiblelocallygrownplant-basedfoods.Theyshouldreducetheirowndependenceonanimal-baseddietstoreleasefoodstuffsforthehungry.LIFDNsshouldscrutinizecarefullyalloffersofresourcestomakesurethatthesetrulymeettheirneedsratherthanthoseofwesterncorporateinterests.Theyshouldinsistonbuildingupsustainableproductionofsufficientnutritioussafeandaccessiblelocallygrownplant-basedfoods.InadditiontodistributingthepositionpapertothedelegatescoalitionactivistsalsohandedoutleafletsattheFAORomeheadquarters.AdditionalactionsareplannedinconnectionwiththeWorldFoodSummittobeheldinRomeinNovember.MembersofthecoalitionincludeFARMaU.S.non-profitorganizationwhichhaspromotedsustainablehumanefarmingpracticessince1976,andtwoItaliangroupsSocietaVegetarianaMilanandProgettoVivereVeganFlorence.
4.Hunger:VegetarianSolutionsNow—VegfamVegfamisacharitableorganizationwiththemissiontofeedthehungrywithoutexploitinanimals.Itwasfoundedin1963inEnglandbyChrisandJanetAldous.LaterRuthandFriedensternHowardbecameTrustees.FriedenandotherscontinueitsworktodayoutoftheofficeinDevonEngland.VEGFAMTheSanctuaryNrLydfordOkehamptonDevonEX204ALEnglandForover30yearsVegfamhasbeenworkingwithandinfluencingmajorcharitiesaroundtheworldbyco-financingprojectsthatdonotexploitanimals.Vegfamworksthroughindigenouson-the-spotrepresentativesandworkswithexistingcharitiestosupportimmediateandlong-termfoodandwater-aidprojects.InworkingwithexistingcharitiesVegfameducatesthesegroupsabouttheneedforreliefeffortsthatdonotfeedthehungryattheexpenseofanimalsandtheenvironment.Short-termaidforfaminevictimsincludespurchasinggrainslegumesfruitsnutsandvegetablesandprovidingwatersupplies.Long-termaidincludesprovidingseedsforplantingirrigationprojectsdiggingwaterwellsprovidingfruitandnuttreesprovidingvegetableplotsand/ortrainingpeopletogrowvegetablesandLeafConcentrateprojects.SomeofthecountriesaidedbyVegfamareIndiaBangladeshVietnamSudanEthiopiaNigeria/BiafraSomaliaSyriaLebanonZimbabweandmanymore.In1994helpwassenttoAngolaRwandaandBosnia.Donationsmadein1995wereinsterling;1=about$
1.60andtheamountsaresmallparedtoneedto:MALAWIMonkeyBay1000tofinancerunningaFruitTreeNursery.TheprojectisdoneinconjunctionwithConcernUniversalandtheWildlifeSocietyofMalawi.INDIAMadurai1265fortwowellsinKarumbalaiforpoorvillagerswhowouldotherwisehavetowalkafar.1935tofeedorphansintheorphanageatChathirpatti.TheorphansaretakeninfromvariousdisastersinIndia:floodearthquakeplagueetc.BothoftheseeffortsareinsupportoftheworkofPastorJesudoss.INDIAJaipur500fortheleafconcentratechildfeedingprogramsrunbyFindYourFeet.INDIAHimalayasKumaon500foramedicinalandculinaryherbnurserywhichwillhelpsubsistencefarmersearnalivingandovereafoodshortageandpreservethewild-growingherbsthatarebeingexcessivelyharvested.ELSALVADOR2500forgrowinganddryingcowpealeavestoaddtochildren’ssnackstoalleviatemalnutritionincooperationwithalocalagencyandFindYourFeet.Sofarin1996donationshavebeenmadeto:INDIAthroughPastorJesudoss:500tohelpfeedrefugeesfromSriLankaand1220totheorphanage.ZAMBIA:3000foramaizegrindingmilldonatedthroughtheZambianSocietyOfVegetarians.MEXICO:xxforadriedleafprojectofFINDYOURFEETwithcooperationofalocalagency.NIGERIA,andawaitingfundingisasoyflourdistributionprojecttobeconductedbytheNigerianVegetarianSociety.
5.SomethingAboutChineseAgricultureChinaisacountrywhosepopulationranksthefirstintheworld.InordertofeedthewholepopulationChinesefarmersmustproduceenoughfood.Ontheotherhandtheyshouldproducemoreandbetterproductswhichcanbeexportedtoimprovetheirlivingstandard.ButChinaonlyhas7%ofthelandwhichcanbeusedforfarming.ThereforefarmersinChinahavealwaysbeenlookingforbettermethodsandtechniquestoproducemorefood.Theyhavealsohadtofindwaystoworkonmorelandwithfewerhands.Inthepast20yearsgreatachievementshavebeenmadeinChinaandChina’sfarming.WiththehelpofnewtechniquesandtheoutstandingworkofscientistsChinahasnotonlysolvedtheproblemofhungerbutalsotakenaleadinagriculturalresearchespeciallyinsuperhybridricecropgenomefertilizerandsooncausingproductstomultiply.Itisakindofagriculturealthoughtherearedifferencesbetweenlandagricultureandwateragriculture.Fishfarminginvolveshumanhelpandproducesfishproteincropsratherthanvegetableormeatproteincrops.IthasbeenusedforxxyearsinChinaEgyptandRome.Fishcaneitherbekeptinearthenpondsorincageswithflowingwaterpassingoverthefish.Iffisharekeptinearthenpondstheycanbefedeitherwithextranaturalfoodorwithspeciallyproducedfishfood.Iffisharekeptincagestheyhavetobefedonthespeciallyproducedfishfood.Whenthefisharereadytobeharvestedandsoldforeatingtheearthenpondscanbeemptiedifallthefisharetobeharvestedorthewaterreducedifsomeofthefisharetoremain.Inthecagesallthefishwouldbeharvestedtogether.Thereistheproblemofdiseasewithfishkeptincages.Theyaregenerallytooclosetogethersotheygetlice.Theseparasitescanbekilledbygivingmedicinetothefish.Butastimegoesbythemedicineisnotabletokillallthelice.Soifsomeofthelicegetontothewildfishtheykillmanyofthemaswildfishhavenomedicinetoprotectthem.Sofishfarmingcancauseproblemsforwildpopulationsoffish.
6.ModernAgricultureForthousandsofyearstraditionalagricultureinChinadidnotchangeverymuch.Mostfarmswereone-familybusinesses.AlthoughChinaisaverybigcountryonly7%ofthelandcanbeusedforfarming.ItisonthisarablelandthatthefarmersproducefoodforthewholepopulationofChina.Itisfromtheearly1990sthatscientistsstartedtodevelopnewtechniquestoincreaseagriculturalproductionwithoutharmingtheenvironment.Chemicalfertilizationforexamplehelpstoproducebettercropsbutisharmfultotheenvironment.Newtechniquesshouldincreaseagriculturalproductionbutalsobefriendlytoenvironment.Futureagricultureshoulddependonhightechnologyaswellastraditionalmethods.Notonlyfoodproductionisimportantbutalsotakingcareoftheenvironment.ThebiggestproblemofChinesefarmersistheshortageofarableland.UsingthelatesttechnologiesChinesescientistsgrowvegetablesingreenhouses.Therootsofthesevegetablesarenotplantedinearthbuthanginwaterthatcontainsallthenutrientstheyneedtogrow.Todaymanyvegetablesarenotgrowningardensbutingreenhouses.Theyareprotectedfromthewindrainandinsects.Thetemperatureiscontrolledwithputersorkeptthesamenomatterhowtheweatherisoutside.Languagepoints
1.DrYuangrowswhatiscalledsuperhybridrice.袁博士种植了被人称作超级杂交水稻的稻谷what=thethingsthatThisspecialstrainofricemakesitpossibletoproduceone-thirdmoreofthecropinthesamefields.这种特殊的稻种使得同样的田地多收获三分之一的产量it在句中作形式宾语真正的宾语为toproduce...结构为:动词(makefeelthinkregard...)+it+adj.+todoe.g.WethinkitimportanttolearnEnglishwell.
2.Sincethenhehasdevotedhislifetofindingwaystogrowmoreandmorerice.从那以后他就把毕生精力投入到水稻高产的研究中devoteoneselfto+n./doing献身于致力于注意:to为介词后面接v.-ing类似的短语还有lookforwardtolistentogettoreplytoapologizetobelongtoagreeto等等
3.DrYuansearchedforawaytoincreasericeharvestwithoutexpandingtheareaoffields.袁博士寻求一种在不扩大种植面积的情况下提高水稻产量的方法注意:search强调搜查一般表示目标明确范围较小searchsb.搜身;searchsomeplace搜查某地searchfor强调寻找一般表示范围较大searchforsb.寻找某人e.g.Thepolicesearchedthewoodsforthelostchild.警察在树林里寻找失踪的小孩Scientistsarestillsearchingforacuretothemoncold.科学家们仍然在寻找普通感冒的治疗方法
4.ThankstohisresearchtheUNistryingtoridtheworldofhunger.由于他的研究联合国正在努力清除世界饥饿thanksto=becauseof;owingtoe.g.Thankstoyoursupportwewonthegame.由于你的支持我们赢得了比赛
5.Usinghishybridricefarmersareproducingharveststwiceaslargeasbefore.用他的杂交水稻种子农民们种出比以前多一倍的粮食倍数词(twice/half/threetimes/aquarteretc.)+as+形容词原级+as...表示“是……的多少倍”e.g.Thenumberofthestudentsinourschoolistwiceaslargeasthatintheirschool.我们学校学生的数量是他们学校的两倍
6.Howeverhecareslittleaboutspendingthemoneyonhimselforleadingafortablelife.但是他很少想到要把钱花在自己的身上或享受舒适的生活leada...life过……生活英语中少数动词包括一些不及物动词的宾语可能是与它同源的名词类似的短语动词有:diea...deathsmilea...smiledreama...dreamlivea...lifesigha...sighetc.carelittle/muchabout:beconcernedabout“关心介意”后面跟从句时about常省略carefor:lookafter照料;likeorwant想要喜欢e.g.AlbertEinsteindidn’tcaremuchaboutwhattowear.WouldyouhelptocareformypetwhileIamaway
7.DrYuanismoreafarmerthanascientist.与其说袁博士是一个科学家不如说他是一个农民bemorethan=notonly不仅仅超过e.g.Learningismorethanreading.bemore+A+than+B 与其说是B还倒不如说是Ae.g.Heismoreanordinarypersonthanaleader.。