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1、高考概要写作SummaryWriting阅读下面短文,根据其内容写一篇60词左右的内容概要。Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionpeoplesharetheplanet.By2050,somescientistsestimate,theworld’spopulationmayreach9billion.However,thechangingclimatewillprobablymakefeedingthisfargreate
2、rnumberaveryfrighteningtask.Thatistheconclusionreachedbysomescientists.Justthreecrops—wheat,riceandcorn—providemorethantwo-thirdsofthecaloriesthatpeopleconsume.Suchcrops,andasmallnumberofotherimportantcrops,comefromfarmingregionssometimesreferredtoas“breadbaskets”.However,theseareasoftenoccupyare
3、lativelysmallportion(部分)oftheglobe.Worsestill,thebreadbasketsareeasilyaffectedbybadweather.Eventssuchaswidespreadfloodingorextendedheatwavecankillcrops.That’sespeciallytrueifthebadweatheroccurswhenacropisyoung,fruitingorapproachingharvest.Unfortunately,bigcropfailuresintwoormorebreadbasketscouldl
4、eadtowhatresearcherscalla“foodshock”.Thatmeansanoverallshortageoffoodwouldoccur.Extremefoodshocksusedtohappeneverycentury.Ortoputitanotherway,that’sonlyaboutonceinveryfourgenerationsofhumans.However,accordingtostudies,astheclimatewarms,highandlowtemperaturesbecomemoreextreme,andby2050,foodshocksc
5、ouldoccuraboutonceevery30years.Inotherwords,apersonborninthemiddleofthecurrentcenturymightlivethroughtwoorthreeextremefoodshocksduringtheirlifetime.Sowhatcanpeopledotohelpavoidfoodshocks?Makingagricultureefficientisonechoice.Butoneofthemosteffectivewaystofightagainstfoodshocksmightbetocutdownonfo
6、odwaste.“Ifwecouldcutfoodwasteinhalf,”saidSethCook,aBritishenvironmentalscientist,“wecouldfeedanextrabillionpeople.”3.addsometransitionalwordstomakethepassagesmooth.1.Findoutkeyinformationofeachpara.2.RewritethekeyinformationExpressthesamemeaningusingyourownwords,phrasesorstructures.Concise!!!60-
7、70wordsStep1:Carefulreadingforthekeywords,phrasesorsentencesineachparagraphUnderlineorcirclethekeyinformationPara.1:Feedingtheworld’spopulationisabigchallenge,anditisabouttogetbigger.Rightnow,alittlemorethan7.3billionp