高考英語-概要寫作-公開課課件

高考概要寫作SummaryWriting12023/9/1高考概要寫作12023/8/3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.”22023/9/1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。22023.addsometransitionalwordstomakethepassagesmooth.

1.Findoutkeyinformationofeachpara.2.Rewrite

thekeyinformationExpressthesamemeaningusingyourownwords,phrasesorstructures.Concise!!!60-70words32023/9/13.addsometransitionalwordsStep1:Carefulreadingforthekeywords,

phrasesorsentencesineachparagraph

UnderlineorcirclethekeyinformationPara.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.42023/9/1Step1:CarefulreadingforthPara.1:

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

52023/9/1Para.1:Feedingtheworld’spPara.1:

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

62023/9/1Para.1:Feedingtheworld’spPara.1:

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

72023/9/1Para.1:Feedingtheworld’spPara.2:Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.82023/9/1Para.2:Justthreecrops—wheaPara.2:Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.92023/9/1Para.2:Justthreecrops—wheaPara.2:Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyarelativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.

Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.102023/9/1Para.2:Justthreecrops—wheaPara.3:Unfortunately,bigcropfailuresintwoormorebreadbasketscouldleadtowhatresearcherscalla“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.112023/9/1Para.3:Unfortunately,bigcrPara.3:Unfortunately,bigcropfailuresintwoormorebreadbaskets

couldleadtowhatresearcherscall

a“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.

Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.122023/9/1Para.3:Unfortunately,bigcrPara.3:Unfortunately,bigcropfailuresintwoormorebreadbaskets

couldleadtowhatresearcherscall

a“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.

Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.132023/9/1Para.3:Unfortunately,bigcrPara.4:Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”142023/9/1Para.4:SowhatcanpeopledoPara.4:Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.

Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”152023/9/1Para.4:SowhatcanpeopledoPara.4:Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.

Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”162023/9/1Para.4:SowhatcanpeopledoStep2:Rewritethekeyinformationin

our

ownwordsTip1:RewriteatthesentencelevelTip2:Rewriteatthewordlevel172023/9/1Step2:RewritethekeyinformPara.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.______________________________________________________________________________(changethecompoundsentence并列句intoonesimplesentence簡單句)______________________________________________________________________________(changethesubject)Feedingtheworld’spopulationisa________________challenge.__isabiggerandbiggerchallengetofeedtheworld’spopulation.biggerandbiggerIt182023/9/1Para.1:Feedingtheworld’sp______________________________________________________________________________

(changetheword“world’s”)______________________________________________________________________________(changethephrase“abiggerandbiggerchallenge”)Para.1:Itisabiggerandbiggerchallengetofeedtheworld’spopulation.Itisabiggerandbiggerchallengetofeedtheglobalpopulation.Itis_______________________tofeedtheglobalpopulation.challengingmoreandmore192023/9/1Para.1:ItisabiggerandbiPara.1:Itismoreandmorechallengingtofeedthe__________globalpopulation.(addanadjective)Para.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreaternumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.increasinggrowing202023/9/1Para.1:ItismoreandmorecPara.2:crops,breadbaskets,Theseareasoftenoccupyarelativelysmallportionoftheglobe._______________________________________

(simplifythesentence)______________________________________________________________________________

(use“manycrops”asthesubject)

Breadbasketsareoften_______.Manycrops________________on_______breadbaskets.limitedareoftengrownlimited212023/9/1Para.2:crops,breadbaskePara.2:Thebreadbasketsareeasilyaffectedbybadweather.______________________________________________________________________________

(changetheword“affect”)

Breadbasketsareeasily_________/________bybadweather.Manycropsareoftengrownonlimitedbreadbaskets.

(combinethetwosentences)Para.2:Manycropsareoftengrownonlimitedbreadbaskets

______areeasilyimpactedbybadweather.that/whichinfluencedimpacted222023/9/1Para.2:ThebreadbasketsarePara.3:bigcropfailures,couldleadto,a“foodshock”Thatmeansanoverallshortageoffoodwouldoccur._______________________________________

(putthekeyphrasesintoonesentence)______________________________________________________________________________

(combinethetwosentences)

Bigcropfailurescouldleadtoa“foodshock”.Bigcropfailurescouldleadtoa“foodshock”__________meansanoverallshortageoffood.that/whichBigcropfailurescouldleadtoanoverallshortageoffood,______a“foodshock”.called232023/9/1Para.3:bigcropfailuresPara.3:Bigcropfailurescouldleadtoanoverallshortageoffood,calleda“foodshock”.______________________________________________________________________________(changethephrase“l(fā)eadto”)Bigcropfailurescouldcauseanoverallshortageoffood,calleda“foodshock”.resultin/contributetoaccountfor/242023/9/1Para.3:BigcropfailurescoulPara.3:Unfortunately,bigcropfailuresintwoormorebreadbasketscouldleadtowhatresearcherscalla“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshockscouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Para.3:Foodshockscouldoccurmore____________inthefuture.(useoneadverb)frequently/often252023/9/1Para.3:Unfortunately,bigcrPara.3:Bigcropfailurescouldcauseanoverallshortageoffood,calleda“foodshock”.Foodshockscouldoccurmorefrequentlyinthefuture.

(combinethetwosentences)Bigcropfailurescouldcauseanoverallshortageoffood,calleda“foodshock”,____couldoccurmorefrequentlyinthefuture.which262023/9/1Para.3:which262023/8/3Para.4:Makingagricultureefficientisonechoice.

Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfoodwaste.______________________________________________________________________________

(changethesubjectofthesecondsentence)Cuttingdownonfoodwasteisoneofthemosteffectivewaystofightagainstfoodshocks.(changethephrase“cutdownon”)

Reducingfoodwaste272023/9/1Para.4:CuttingdownonfoodwPara.4:Makingagricultureefficientisonechoice.Reducingfoodwasteisoneofthemosteffectivewaystofightagainstfoodshocks.

Sowhatcanpeopledotohelpavoidfoodshocks?Peoplecanavoidfoodshocksby_________