高考英語概要寫作公開課課件

概要寫作SummaryWriting概要寫作1閱讀下面短文，根據(jù)其內(nèi)容寫一篇60詞左右的內(nèi)容概要。Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.Unfortunately,bigcropfailuresintwoormorebreadbasketscouldleadtowhatresearcherscalla“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”閱讀下面短文，根據(jù)其內(nèi)容寫一篇60詞左右的內(nèi)容概要。23.addsometransitionalwordstomakethepassagesmooth.

1.Findoutkeyinformationofeachpara.2.RewritethekeyinformationExpressthesamemeaningusingyourownwords,phrasesorstructures.Concise!!!60-70words3.addsometransitionalwords3Step1:Carefulreadingforthekeywords,

phrasesorsentencesineachparagraph

UnderlineorcirclethekeyinformationPara.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.Step1:Carefulreadingforth4Para.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.

Para.1:Feedingtheworld’sp5Para.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.

Para.1:Feedingtheworld’sp6Para.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.

Para.1:Feedingtheworld’sp7Para.2:Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.Para.2:Justthreecrops—whea8Para.2:Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.Para.2:Justthreecrops—whea9Para.2:Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.

Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.Para.2:Justthreecrops—whea10Para.3:Unfortunately,bigcropfailuresintwoormorebreadbasketscouldleadtowhatresearcherscalla“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Para.3:Unfortunately,bigcr11Para.3:Unfortunately,bigcropfailuresintwoormorebreadbaskets

couldleadtowhatresearcherscall

a“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.

Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Para.3:Unfortunately,bigcr12Para.3:Unfortunately,bigcropfailuresintwoormorebreadbaskets

couldleadtowhatresearcherscall

a“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.

Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Para.3:Unfortunately,bigcr13Para.4:Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”Para.4:Sowhatcanpeopledo14Para.4:Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.

Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”Para.4:Sowhatcanpeopledo15Para.4:Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.

Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”Para.4:Sowhatcanpeopledo16Step2:Rewritethekeyinformationin

ourownwordsTip1:RewriteatthesentencelevelTip2:RewriteatthewordlevelStep2:Rewritethekeyinform17Para.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.______________________________________________________________________________(changethecompoundsentence并列句intoonesimplesentence簡單句)______________________________________________________________________________(changethesubject)Feedingtheworld’spopulationisa________________challenge.__isabiggerandbiggerchallengetofeedtheworld’spopulation.biggerandbiggerItPara.1:Feedingtheworld’sp18______________________________________________________________________________

(changetheword“world’s”)______________________________________________________________________________(changethephrase“abiggerandbiggerchallenge”)Para.1:Itisabiggerandbiggerchallengetofeedtheworld’spopulation.Itisabiggerandbiggerchallengetofeedtheglobalpopulation.Itis_______________________tofeedtheglobalpopulation.challengingmoreandmorePara.1:Itisabiggerandbi19Para.1:Itismoreandmorechallengingtofeedthe__________globalpopulation.(addanadjective)Para.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.increasinggrowingPara.1:Itismoreandmorec20Para.2:crops,breadbaskets,Theseareasoftenoccupyarelativelysmallportionoftheglobe._______________________________________

(simplifythesentence)______________________________________________________________________________

(use“manycrops”asthesubject)

Breadbasketsareoften_______.Manycrops________________on_______breadbaskets.limitedareoftengrownlimitedPara.2:crops,breadbaske21Para.2:Thebreadbasketsareeasilyaffectedbybadweather.______________________________________________________________________________

(changetheword“affect”)

Breadbasketsareeasily_________/________bybadweather.Manycropsareoftengrownonlimitedbreadbaskets.

(combinethetwosentences)Para.2:Manycropsareoftengrownonlimitedbreadbaskets

______areeasilyimpactedbybadweather.that/whichinfluencedimpactedPara.2:Thebreadbasketsare22Para.3:bigcropfailures,couldleadto,a“foodshock”Thatmeansanoverallshortageoffoodwouldoccur._______________________________________

(putthekeyphrasesintoonesentence)______________________________________________________________________________

(combinethetwosentences)

Bigcropfailurescouldleadtoa“foodshock”.Bigcropfailurescouldleadtoa“foodshock”__________meansanoverallshortageoffood.that/whichBigcropfailurescouldleadtoanoverallshortageoffood,______a“foodshock”.calledPara.3:bigcropfailures23Para.3:Bigcropfailurescouldleadtoanoverallshortageoffood,calleda“foodshock”.______________________________________________________________________________(changethephrase“l(fā)eadto”)Bigcropfailurescouldcauseanoverallshortageoffood,calleda“foodshock”.resultin/contributetoaccountfor/Para.3:Bigcropfailurescoul24Para.3:Unfortunately,bigcropfailuresintwoormorebreadbasketscouldleadtowhatresearcherscalla“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Para.3:Foodshockscouldoccurmore____________inthefuture.(useoneadverb)frequently/oftenPara.3:Unfortunately,bigcr25Para.3:Bigcropfailurescouldcauseanoverallshortageoffood,calleda“foodshock”.Foodshockscouldoccurmorefrequentlyinthefuture.

(combinethetwosentences)Bigcropfailurescouldcauseanoverallshortageoffood,calleda“foodshock”,____couldoccurmorefrequentlyinthefuture.whichPara.3:which26Para.4:Makingagricultureefficientisonechoice.

Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.______________________________________________________________________________

(changethesubjectofthesecondsentence)Cuttingdownonfoodwasteisoneofthemosteffectivewaystofightagainstfoodshocks.(changethephrase“cutdownon”)

ReducingfoodwastePara.4:Cuttingdownonfoodw27Para.4:Makingagricultureefficientisonechoice.Reducingfoodwasteisoneofthemosteffectivewaystofightagainstfoodshocks.

Sowhatcanpeopledotohelpavoidfoodshocks?Peoplecanavoidfoodshocksby_____