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简述教小学儿童学习迁移有哪些基本策略
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简述教会小学儿童学习迁移有哪些基本策略
自然教育策略针对儿童的低动机和迁移能力差问题当儿童的时候正是教他学习相关技能的最佳时机
自然教育策略针对儿童的低动机和迁移能力差问题当儿童表现出某种的时候正是教他学习相关技能的最佳时机
简述促进学习迁移的教学策略
何谓迁移结合自己的教学实际谈谈教会小学儿童学习迁移有哪些基本策略
迁移主要有哪些类型如何培养小学儿童学习迁移的能力
何谓迁移结合自己谈谈教会小学儿童学习迁移有那些基本策略
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Thevillagershavealreadyknown______we'lldoistobuildthebridge.
Expressinggratitudeisanimportantformofgoodmanners.NowadaysmoreandmorepeopleinChinahavefoundit’shightimeto16athankfulheartfortheyoung. Everyonelikestogetpraisedandappreciated.Gratitudeisthegreatestofvirtueswhichletsotherssmileandmakestheworldmorebeautiful.Youjustneedseveralminutestowritedownathank-younotebutitbringsmuchjoytothe17. Weliveinasocietywhereweenjoythedifferentservicesofothers.But18ofthemshouldbetakenforgranted. Gratitudeisalsoakindof19inlife.Indevelopinggratitudeforeverymoment--forthesimplejoysandevenforthe20times--wecometotrulyenjoyandappreciatelife.Thenweareabletoseethe21thatsurroundsus. Trytowriteathank-youlettertoyourparentsforworkinghardto22youahappylife. Begratefultoyourteachersbecauseoftheir23withyourstudiesandcharacterbuilding. Saythankstoyourfriendswho24bothyourhappinessandsorrow.Wearesureitwillbringthemmuchjoyandadd25intoyourownlifeaswell. 18
Lastyearthenumberofstudentswhograduatedwithadrivinglicencereached200000anof40000peryear.
Marysendsyoubestwishes______aHappyNewYear.
Expressinggratitudeisanimportantformofgoodmanners.NowadaysmoreandmorepeopleinChinahavefoundit’shightimeto16athankfulheartfortheyoung. Everyonelikestogetpraisedandappreciated.Gratitudeisthegreatestofvirtueswhichletsotherssmileandmakestheworldmorebeautiful.Youjustneedseveralminutestowritedownathank-younotebutitbringsmuchjoytothe17. Weliveinasocietywhereweenjoythedifferentservicesofothers.But18ofthemshouldbetakenforgranted. Gratitudeisalsoakindof19inlife.Indevelopinggratitudeforeverymoment--forthesimplejoysandevenforthe20times--wecometotrulyenjoyandappreciatelife.Thenweareabletoseethe21thatsurroundsus. Trytowriteathank-youlettertoyourparentsforworkinghardto22youahappylife. Begratefultoyourteachersbecauseoftheir23withyourstudiesandcharacterbuilding. Saythankstoyourfriendswho24bothyourhappinessandsorrow.Wearesureitwillbringthemmuchjoyandadd25intoyourownlifeaswell. 20
Sincewearesocialbeingsthequalityofourlivesdependsinlargemeasureonourinterpersonalrelationships.Onestrengthofthehumanconditionisourtendencytogiveandreceivesupportfromoneanotherunderstressfulcircumstances.Socialsupportconsistsoftheexchangeofresourcesamongpeoplebasedontheirinterpersonalties.Thoseofuswithstrongsupportsystemsappearbetterabletocopewithmajorlifechangesanddailyhassles.Peoplewithstrongsocialtieslivelongerandhavebetterhealththanthosewithoutsuchties.Studiesoverarangeofillnessesfromdepressiontoheartdiseaserevealthatthepresenceofsocialsupporthelpspeoplefendoffillnessandtheabsenceofsuchsupportmakespoorhealthmorelikely.Socialsupportcushionsstressinanumberofways.Firstfriendsrelativesandco-workersmayletusknowthattheyvalueus.Ourself-respectisstrengthenedwhenwefeelacceptedbyothersdespiteourfaultsanddifficulties.Secondotherpeopleoftenprovideuswithinformationalsupport.Theyhelpustodefineandunderstandourproblemsandfindsolutionstothem.Thirdwetypicallyfindsocialcompanionshipsupportive.Engaginginleisure-timeactivitieswithothershelpsustomeetoursocialneedswhileatthesametimedistractingusfromourworriesandtroubles.Finallyotherpeoplemaygiveusinstrumentalsupport—financialaidmaterialresourcesandneededservices—thatreducesstressbyhelpingusresolveandcopewithourproblems.WhichofthefollowingisclosestinmeaningtothewordcushionsLine1Para.2
Childrenstartoutasnaturalscientistseagertolookintotheworldaroundthem.Helpingthemenjoysciencecanbeeasy;there’snoneedforalotofscientifictermsorexpensivelabequipment.Youonlyhavetoshareyourchildren’scuriosity.Firstlylistentotheirquestions.Ioncevisitedaclassroomofseven-year-oldstotalkaboutscienceasajob.ThechildrenaskedmetextbookquestionsaboutschoolingsalaryandwhetherIlikedmyjob.WhenIfinishedansweringwesatfacingoneanotherinsilence.FinallyIsaidNowthatwe’vefinishedwithyourlistsdoyouhavequestionsofyourownaboutscienceAfteralongpauseaboyraisedhishandHaveyoueverseenagrasshopper蚱蜢eatWhenItryeatingleaveslikethatIgetastomachache.WhyThisbeganasetofquestionsthatlastednearlytwohours.Secondlygivethemtimetothink.Studiesoverthepast30yearshaveshownthatafteraskingaquestionadultstypicallywaitonlyonesecondorlesstorananswernotimeforachildtothink.Whenadultsincreasetheirwaittimetothreesecondsormorechildrengivemorelogicalcompleteandcreativeanswers.Thirdlywatchyourlanguage.Onceyouhaveachildinvolvedinasciencediscussiondon’tjumpinwithThat’srightorVerygood.Thesewordsworkwellwhenitcomestoencouraginggoodbehavior.Butintalkingaboutsciencequickpraisecansignalthatdiscussionisover.InsteadkeepthingsgoingbysayingThat’sinterestingorI’dneverthoughtofitthatway-beforeorcomingupwithmorequestionsorideas.NeverpushachildtoThink.Itdoesn’tmakesensechildrenarealwaysthinkingwithoutyourtellingthemto.What’smorethiscanturnaconversationintoaperformance.Thechildwilltrytofindtheansweryouwantinasfewwordsaspossiblesothathewillbeasmallertargetforyourdisagreement.Lastlyshow;don’ttell.Real-lifeimpressionsofnaturearefarmoreimpressivethananylessonchildrencanlearnfromabookoratelevisionprogram.Letchildrenlookattheirfingertipsthroughamagnifyingglassandthey’llunderstandwhyyouwantthemtowashbeforedinner.Ratherthansayingthatwaterevaporatessetapotofwatertoboilandletthemwatchthewaterleveldrop.Accordingtothepassagechildrencananswerquestionsinamorelogicalcompleteandcreativewayifadults______.
GalileolivedintheCityofPisa______thereisaleaningtowerabout180feet______.
Sincewearesocialbeingsthequalityofourlivesdependsinlargemeasureonourinterpersonalrelationships.Onestrengthofthehumanconditionisourtendencytogiveandreceivesupportfromoneanotherunderstressfulcircumstances.Socialsupportconsistsoftheexchangeofresourcesamongpeoplebasedontheirinterpersonalties.Thoseofuswithstrongsupportsystemsappearbetterabletocopewithmajorlifechangesanddailyhassles.Peoplewithstrongsocialtieslivelongerandhavebetterhealththanthosewithoutsuchties.Studiesoverarangeofillnessesfromdepressiontoheartdiseaserevealthatthepresenceofsocialsupporthelpspeoplefendoffillnessandtheabsenceofsuchsupportmakespoorhealthmorelikely.Socialsupportcushionsstressinanumberofways.Firstfriendsrelativesandco-workersmayletusknowthattheyvalueus.Ourself-respectisstrengthenedwhenwefeelacceptedbyothersdespiteourfaultsanddifficulties.Secondotherpeopleoftenprovideuswithinformationalsupport.Theyhelpustodefineandunderstandourproblemsandfindsolutionstothem.Thirdwetypicallyfindsocialcompanionshipsupportive.Engaginginleisure-timeactivitieswithothershelpsustomeetoursocialneedswhileatthesametimedistractingusfromourworriesandtroubles.Finallyotherpeoplemaygiveusinstrumentalsupport—financialaidmaterialresourcesandneededservices—thatreducesstressbyhelpingusresolveandcopewithourproblems.Interpersonalrelationshipsareimportantbecause______.
fromthetopofthetowerthesouthfootofthemountainisaseaoftrees.
Sincewearesocialbeingsthequalityofourlivesdependsinlargemeasureonourinterpersonalrelationships.Onestrengthofthehumanconditionisourtendencytogiveandreceivesupportfromoneanotherunderstressfulcircumstances.Socialsupportconsistsoftheexchangeofresourcesamongpeoplebasedontheirinterpersonalties.Thoseofuswithstrongsupportsystemsappearbetterabletocopewithmajorlifechangesanddailyhassles.Peoplewithstrongsocialtieslivelongerandhavebetterhealththanthosewithoutsuchties.Studiesoverarangeofillnessesfromdepressiontoheartdiseaserevealthatthepresenceofsocialsupporthelpspeoplefendoffillnessandtheabsenceofsuchsupportmakespoorhealthmorelikely.Socialsupportcushionsstressinanumberofways.Firstfriendsrelativesandco-workersmayletusknowthattheyvalueus.Ourself-respectisstrengthenedwhenwefeelacceptedbyothersdespiteourfaultsanddifficulties.Secondotherpeopleoftenprovideuswithinformationalsupport.Theyhelpustodefineandunderstandourproblemsandfindsolutionstothem.Thirdwetypicallyfindsocialcompanionshipsupportive.Engaginginleisure-timeactivitieswithothershelpsustomeetoursocialneedswhileatthesametimedistractingusfromourworriesandtroubles.Finallyotherpeoplemaygiveusinstrumentalsupport—financialaidmaterialresourcesandneededservices—thatreducesstressbyhelpingusresolveandcopewithourproblems.Socialcompanionshipisbeneficialinthat______.
Eventhebestwriterssometimesfindthemselves______forwords.
从课程功能的角度可以把课程分为工具性课程知识性课程技能性课程和
______sherealizeditwastoolatetogohome.
Childrenstartoutasnaturalscientistseagertolookintotheworldaroundthem.Helpingthemenjoysciencecanbeeasy;there’snoneedforalotofscientifictermsorexpensivelabequipment.Youonlyhavetoshareyourchildren’scuriosity.Firstlylistentotheirquestions.Ioncevisitedaclassroomofseven-year-oldstotalkaboutscienceasajob.ThechildrenaskedmetextbookquestionsaboutschoolingsalaryandwhetherIlikedmyjob.WhenIfinishedansweringwesatfacingoneanotherinsilence.FinallyIsaidNowthatwe’vefinishedwithyourlistsdoyouhavequestionsofyourownaboutscienceAfteralongpauseaboyraisedhishandHaveyoueverseenagrasshopper蚱蜢eatWhenItryeatingleaveslikethatIgetastomachache.WhyThisbeganasetofquestionsthatlastednearlytwohours.Secondlygivethemtimetothink.Studiesoverthepast30yearshaveshownthatafteraskingaquestionadultstypicallywaitonlyonesecondorlesstorananswernotimeforachildtothink.Whenadultsincreasetheirwaittimetothreesecondsormorechildrengivemorelogicalcompleteandcreativeanswers.Thirdlywatchyourlanguage.Onceyouhaveachildinvolvedinasciencediscussiondon’tjumpinwithThat’srightorVerygood.Thesewordsworkwellwhenitcomestoencouraginggoodbehavior.Butintalkingaboutsciencequickpraisecansignalthatdiscussionisover.InsteadkeepthingsgoingbysayingThat’sinterestingorI’dneverthoughtofitthatway-beforeorcomingupwithmorequestionsorideas.NeverpushachildtoThink.Itdoesn’tmakesensechildrenarealwaysthinkingwithoutyourtellingthemto.What’smorethiscanturnaconversationintoaperformance.Thechildwilltrytofindtheansweryouwantinasfewwordsaspossiblesothathewillbeasmallertargetforyourdisagreement.Lastlyshow;don’ttell.Real-lifeimpressionsofnaturearefarmoreimpressivethananylessonchildrencanlearnfromabookoratelevisionprogram.Letchildrenlookattheirfingertipsthroughamagnifyingglassandthey’llunderstandwhyyouwantthemtowashbeforedinner.Ratherthansayingthatwaterevaporatessetapotofwatertoboilandletthemwatchthewaterleveldrop.Accordingtothepassagechildrenarenaturalscientistsandtoraisetheirinterestthemostimportantthingforadultstodois______.
Honestycomesinmanyforms.Firstthere’sselfhonesty.IswhatpeopleseetherealarticleordoyouappearthroughsmokeandmirrorsIfindthatifItrytobesomethingI’mnotIfeelunsureofmyselfandtakeoutapartfrommyPBApersonalbankaccount.IlovehowsingerJudyGarlandputitAlwaysbeafirstclassversionofyourselfinsteadofasecondclassversionofsomebodyelse.Thenthere’shonestyinouractions.AreyouhonestatschoolwithyourparentsandwithyourbossIfyou’veeverbeendishonestIthinkweallhavetrybeinghonestandnoticehowwholeitmakesyoufeel.Rememberyoucan’tdowrongandfeelright.ThisstorybyJeffisagoodexampleofthat:Inmysecondyearofstudytherewerethreekidsinmymathclasswhodidn’tdowell.Iwasreallygoodatit.IwouldchargethemthreedollarsforeachtestthatIhelpedthempass.I’dwriteonalittlepieceofpaperalltherightanswersandhandthemoff.AtfirstIfeltlikeIwasmakingmoneykindofanicejob.Iwasn’tthinkingabouthowitcouldhurtallofus.AfterawhileIrealizedIshouldn’tdothatanymorebecauseIwasn’treallyhelpingthem!Theyweren’tlearninganythinganditwouldonlygetharderdowntheroad.Cheatingcertainlywasn’thelpingme.Ittakescouragetobehonestwhenpeopleallaroundyouwhoaregettingawaywithcheatingontestslyingtotheirparentsandstealingatwork.ButremembereveryactofhonestyisadepositintoyourPBAandwillbuildstrength.WhatdoestheauthorexpecttoshowbyJeff’sstory
Honestycomesinmanyforms.Firstthere’sselfhonesty.IswhatpeopleseetherealarticleordoyouappearthroughsmokeandmirrorsIfindthatifItrytobesomethingI’mnotIfeelunsureofmyselfandtakeoutapartfrommyPBApersonalbankaccount.IlovehowsingerJudyGarlandputitAlwaysbeafirstclassversionofyourselfinsteadofasecondclassversionofsomebodyelse.Thenthere’shonestyinouractions.AreyouhonestatschoolwithyourparentsandwithyourbossIfyou’veeverbeendishonestIthinkweallhavetrybeinghonestandnoticehowwholeitmakesyoufeel.Rememberyoucan’tdowrongandfeelright.ThisstorybyJeffisagoodexampleofthat:Inmysecondyearofstudytherewerethreekidsinmymathclasswhodidn’tdowell.Iwasreallygoodatit.IwouldchargethemthreedollarsforeachtestthatIhelpedthempass.I’dwriteonalittlepieceofpaperalltherightanswersandhandthemoff.AtfirstIfeltlikeIwasmakingmoneykindofanicejob.Iwasn’tthinkingabouthowitcouldhurtallofus.AfterawhileIrealizedIshouldn’tdothatanymorebecauseIwasn’treallyhelpingthem!Theyweren’tlearninganythinganditwouldonlygetharderdowntheroad.Cheatingcertainlywasn’thelpingme.Ittakescouragetobehonestwhenpeopleallaroundyouwhoaregettingawaywithcheatingontestslyingtotheirparentsandstealingatwork.ButremembereveryactofhonestyisadepositintoyourPBAandwillbuildstrength.Theunderlinedpartappearthroughsmokeandmirrorsinthefirstparagraphmeans______.
到了这个时候他的餐馆本该宾客盈门
Expressinggratitudeisanimportantformofgoodmanners.NowadaysmoreandmorepeopleinChinahavefoundit’shightimeto16athankfulheartfortheyoung. Everyonelikestogetpraisedandappreciated.Gratitudeisthegreatestofvirtueswhichletsotherssmileandmakestheworldmorebeautiful.Youjustneedseveralminutestowritedownathank-younotebutitbringsmuchjoytothe17. Weliveinasocietywhereweenjoythedifferentservicesofothers.But18ofthemshouldbetakenforgranted. Gratitudeisalsoakindof19inlife.Indevelopinggratitudeforeverymoment--forthesimplejoysandevenforthe20times--wecometotrulyenjoyandappreciatelife.Thenweareabletoseethe21thatsurroundsus. Trytowriteathank-youlettertoyourparentsforworkinghardto22youahappylife. Begratefultoyourteachersbecauseoftheir23withyourstudiesandcharacterbuilding. Saythankstoyourfriendswho24bothyourhappinessandsorrow.Wearesureitwillbringthemmuchjoyandadd25intoyourownlifeaswell. 24
Salariesforpositionsseemtobehigherthanforpermanentones.
Someresearchersfeelthatcertainpeoplehavenervoussystemsparticularlytohotdrywinds.Theyarewhatwecall______weathersensitivepeople.
Sustainabledevelopmentisappliedtojustabouteverythingfromenergytocleanwaterandeconomicgrowthandasaresultithasbecomedifficulttoquestioneitherthebasicassumptionsbehinditorthewaytheconceptisputtouse.Thisisespeciallytrueinagriculturewheresustainabledevelopmentisoftentakenasthesolemeasureofprogresswithoutaproperappreciationofhistoricalandculturalperspectives.Tostartwithitisimportanttorememberthatthenatureofagriculturehaschangedmarkedlythroughouthistoryandwillcontinuetodoso.MedievalagricultureinnorthernEuropefedclothedandshelteredapredominantlyruralsocietywithamuchlowerpopulationdensitythanitistoday.Ithadminimaleffectonbiodiversityandanypollutionitcausedwastypicallylocalized.Intermsofenergyuseandthenutrientscapturedintheproductitwasrelativelyinefficient.Contrastthiswithfarmingsincethestartoftheindustrialrevolution.Competitionfromoverseasledfarmerstospecializeandincreaseyields.Throughoutthisperiodfoodbecamecheapersaferandmorereliable.Howeverthesechangeshavealsoledtohabitatloss.What’smoredemandforanimalproductsindevelopingcountriesisgrowingsofastthatmeetingitwillrequireanextra300milliontonsofgrainayearby2050.Yetthegrowthofcitiesandindustryisreducingtheamountofwateravailableforagricultureinmanyregions.Allthismeansthatagricultureinthe21stcenturywillhavetobeverydifferentfromhowitwasinthe20th.Thiswillrequireradicalthinking.Forexampleweneedtomoveawayfromtheideathattraditionalpracticesareinevitablymoresustainablethannewones.Wealsoneedtoabandonthenotionthatagriculturecanbezeroimpact.Thekeywillbetoabandontherathersimpleandstaticmeasuresofsustainabilitywhichcentreontheneedtomaintainproductionwithoutincreasingdamage.Insteadweneedamoredynamicinterpretationonethatlooksattheprosandconsofallthevariouswayslandisused.Therearemanydifferentagriculturalperformancesbesidesfoodyield:energyuseenvironmentalcostswaterpuritycarbonfootprintandbiodiversity.ItisclearforexamplethatthecarbonoftransportingtomatoesfromSpaintotheUKislessthanthatofproducingthemintheUKwithadditionalheatingandlighting.Butwedonotknowwhetherlowercarbonfootprintswillalwaysbebetterforbiodiversity.Whatiscrucialisrecognizingthatsustainableagricultureisnotjustaboutsustainablefoodproduction.Whatwillagriculturebelikeinthe21stcentury
请设计一节写作课的教案达到以下目的1．学生能够用英语写介绍culturalrelics的短文2．培养学生运用英语的能力3．引导学生形成正确对待文化遗产的态度
根据水浒传的描述在头脑中再造出武松打虎的情景的过程就属于
—HowaboutyourtriptoHainan—Itcouldn'thavebeen______.SometimesIwentswimminginthesea;sometimesIlayonthesand.
Expressinggratitudeisanimportantformofgoodmanners.NowadaysmoreandmorepeopleinChinahavefoundit’shightimeto16athankfulheartfortheyoung. Everyonelikestogetpraisedandappreciated.Gratitudeisthegreatestofvirtueswhichletsotherssmileandmakestheworldmorebeautiful.Youjustneedseveralminutestowritedownathank-younotebutitbringsmuchjoytothe17. Weliveinasocietywhereweenjoythedifferentservicesofothers.But18ofthemshouldbetakenforgranted. Gratitudeisalsoakindof19inlife.Indevelopinggratitudeforeverymoment--forthesimplejoysandevenforthe20times--wecometotrulyenjoyandappreciatelife.Thenweareabletoseethe21thatsurroundsus. Trytowriteathank-youlettertoyourparentsforworkinghardto22youahappylife. Begratefultoyourteachersbecauseoftheir23withyourstudiesandcharacterbuilding. Saythankstoyourfriendswho24bothyourhappinessandsorrow.Wearesureitwillbringthemmuchjoyandadd25intoyourownlifeaswell. 16
Thisisamatteroflifeanddeath—amatternocountrycanaffordtoignore．
Expressinggratitudeisanimportantformofgoodmanners.NowadaysmoreandmorepeopleinChinahavefoundit’shightimeto16athankfulheartfortheyoung. Everyonelikestogetpraisedandappreciated.Gratitudeisthegreatestofvirtueswhichletsotherssmileandmakestheworldmorebeautiful.Youjustneedseveralminutestowritedownathank-younotebutitbringsmuchjoytothe17. Weliveinasocietywhereweenjoythedifferentservicesofothers.But18ofthemshouldbetakenforgranted. Gratitudeisalsoakindof19inlife.Indevelopinggratitudeforeverymoment--forthesimplejoysandevenforthe20times--wecometotrulyenjoyandappreciatelife.Thenweareabletoseethe21thatsurroundsus. Trytowriteathank-youlettertoyourparentsforworkinghardto22youahappylife. Begratefultoyourteachersbecauseoftheir23withyourstudiesandcharacterbuilding. Saythankstoyourfriendswho24bothyourhappinessandsorrow.Wearesureitwillbringthemmuchjoyandadd25intoyourownlifeaswell. 22
Childrenstartoutasnaturalscientistseagertolookintotheworldaroundthem.Helpingthemenjoysciencecanbeeasy;there’snoneedforalotofscientifictermsorexpensivelabequipment.Youonlyhavetoshareyourchildren’scuriosity.Firstlylistentotheirquestions.Ioncevisitedaclassroomofseven-year-oldstotalkaboutscienceasajob.ThechildrenaskedmetextbookquestionsaboutschoolingsalaryandwhetherIlikedmyjob.WhenIfinishedansweringwesatfacingoneanotherinsilence.FinallyIsaidNowthatwe’vefinishedwithyourlistsdoyouhavequestionsofyourownaboutscienceAfteralongpauseaboyraisedhishandHaveyoueverseenagrasshopper蚱蜢eatWhenItryeatingleaveslikethatIgetastomachache.WhyThisbeganasetofquestionsthatlastednearlytwohours.Secondlygivethemtimetothink.Studiesoverthepast30yearshaveshownthatafteraskingaquestionadultstypicallywaitonlyonesecondorlesstorananswernotimeforachildtothink.Whenadultsincreasetheirwaittimetothreesecondsormorechildrengivemorelogicalcompleteandcreativeanswers.Thirdlywatchyourlanguage.Onceyouhaveachildinvolvedinasciencediscussiondon’tjumpinwithThat’srightorVerygood.Thesewordsworkwellwhenitcomestoencouraginggoodbehavior.Butintalkingaboutsciencequickpraisecansignalthatdiscussionisover.InsteadkeepthingsgoingbysayingThat’sinterestingorI’dneverthoughtofitthatway-beforeorcomingupwithmorequestionsorideas.NeverpushachildtoThink.Itdoesn’tmakesensechildrenarealwaysthinkingwithoutyourtellingthemto.What’smorethiscanturnaconversationintoaperformance.Thechildwilltrytofindtheansweryouwantinasfewwordsaspossiblesothathewillbeasmallertargetforyourdisagreement.Lastlyshow;don’ttell.Real-lifeimpressionsofnaturearefarmoreimpressivethananylessonchildrencanlearnfromabookoratelevisionprogram.Letchildrenlookattheirfingertipsthroughamagnifyingglassandthey’llunderstandwhyyouwantthemtowashbeforedinner.Ratherthansayingthatwaterevaporatessetapotofwatertoboilandletthemwatchthewaterleveldrop.Theauthormentionsallofthefollowingtechniquesforadultstosharewiththeirchildren’scuriosityexceptthatadultsshould______.
Sustainabledevelopmentisappliedtojustabouteverythingfromenergytocleanwaterandeconomicgrowthandasaresultithasbecomedifficulttoquestioneitherthebasicassumptionsbehinditorthewaytheconceptisputtouse.Thisisespeciallytrueinagriculturewheresustainabledevelopmentisoftentakenasthesolemeasureofprogresswithoutaproperappreciationofhistoricalandculturalperspectives.Tostartwithitisimportanttorememberthatthenatureofagriculturehaschangedmarkedlythroughouthistoryandwillcontinuetodoso.MedievalagricultureinnorthernEuropefedclothedandshelteredapredominantlyruralsocietywithamuchlowerpopulationdensitythanitistoday.Ithadminimaleffectonbiodiversityandanypollutionitcausedwastypicallylocalized.Intermsofenergyuseandthenutrientscapturedintheproductitwasrelativelyinefficient.Contrastthiswithfarmingsincethestartoftheindustrialrevolution.Competitionfromoverseasledfarmerstospecializeandincreaseyields.Throughoutthisperiodfoodbecamecheapersaferandmorereliable.Howeverthesechangeshavealsoledtohabitatloss.What’smoredemandforanimalproductsindevelopingcountriesisgrowingsofastthatmeetingitwillrequireanextra300milliontonsofgrainayearby2050.Yetthegrowthofcitiesandindustryisreducingtheamountofwateravailableforagricultureinmanyregions.Allthismeansthatagricultureinthe21stcenturywillhavetobeverydifferentfromhowitwasinthe20th.Thiswillrequireradicalthinking.Forexampleweneedtomoveawayfromtheideathattraditionalpracticesareinevitablymoresustainablethannewones.Wealsoneedtoabandonthenotionthatagriculturecanbezeroimpact.Thekeywillbetoabandontherathersimpleandstaticmeasuresofsustainabilitywhichcentreontheneedtomaintainproductionwithoutincreasingdamage.Insteadweneedamoredynamicinterpretationonethatlooksattheprosandconsofallthevariouswayslandisused.Therearemanydifferentagriculturalperformancesbesidesfoodyield:energyuseenvironmentalcostswaterpuritycarbonfootprintandbiodiversity.ItisclearforexamplethatthecarbonoftransportingtomatoesfromSpaintotheUKislessthanthatofproducingthemintheUKwithadditionalheatingandlighting.Butwedonotknowwhetherlowercarbonfootprintswillalwaysbebetterforbiodiversity.Whatiscrucialisrecognizingthatsustainableagricultureisnotjustaboutsustainablefoodproduction.Specializationandtheefforttoincreaseyieldshaveresultedin______.
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