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原创外刊改编语法填空题打卡Day87Twowayswecanfeedtheworldin2050Asourglobalpopulationcontinuestorise,someestimatessuggestitcouldreachawhopping10billionpeopleby2050.Tofeedthatmanypeople,wewillneedtoproducerecordquantitiesoffood.Overthepastsixmonths,I_____1_____(travel)alloverEuropespeakingto_____2_____(pioneer)scientistsandengineers,globalthoughtleaders,savvyretailersandofcourse,knowledgeable,resilientfarmers,fortheBBCWorldNewsandBBCFutureseries,FollowtheFood.Theaimistoexamineatruck-loadofissuesaroundfoodsupplyandfindsomepotentialsolutionsforourfuture.Thismuch-neededtransformation–ofnotjustagriculture_____3_____ourwholefoodsupplychain–isalreadyunderway.Herearetwosolutionsthatcouldhelpusgetreadytofeedthe10billion.CreatingrobotfarmersBeforeyouscreamatyourscreenaboutrobotstakingourjobs,hearmeout.Manyfarmerssaythattimeinthefieldisnotonlyrepetitiveandboring,butrobsthem_____4_____timetheycouldbespendingonotherkeyjobstheyneedtodotomanagetheirbusiness.TheSmallRobotCompanyhascreatedthreesmallrobots:Tom,DickandHarry.Tomtakesgeotaggedimagesofplantsinthefiel,whicharesentbackforanalysis.ThatleadstoDick_____5_____(venture)outtospray–with_____6_____(precise)–individualcrops,eliminatingtheneedforblanketsprayingfields,andavoidingunnecessarypollutingrun-offandsavingresources.Harryistheplantingrobot,completewith_____7_____roboticdrill.Together,theycarryoutthemonotonoustasks_____8_____(convention)donebyahuman–withgreateraccuracyandlesswaste.PreservingpreciousdirtOnereasonwhysmall,mobilerobotscouldbegoodnewsforfarmingis_____9_____theycanreplacealotoftheworkdonebylargetraditonaltractors.Ordinarytractorsareheavy.Whentheyrollacrossthefield,theycompactthesoil.Thatcrushesthegapsinside,reducingthesizeoftheporesthatholdairandwater.Thiscompactionsignificantlyaffectsthesoil’sabilitytoholdontowaterandsoacrop’sability_____10_____(take)thatup,alongwiththenutrients.Usingsmaller,lighterrobotstodothejobscurrentlyperformedbytractorscouldhugelyhelpreducetheseissues.Now,asmallrobotcan’tpulllarge,heavymachinerylikeatillerorcultivator.Butthey’renotlookingtosimplyrepeattraditionalfarmingmethods.Twowayswecanfeedtheworldin2050Asourglobalpopulationcontinuestorise,someestimatessuggestitcouldreachawhopping10billionpeopleby2050.Tofeedthatmanypeople,wewillneedtoproducerecordquantitiesoffood.Overthepastsixmonths,Ihavetravelled(travel)alloverEuropespeakingtopioneering(pioneer)scientistsandengineers,globalthoughtleaders,savvyretailersandofcourse,knowledgeable,resilientfarmers,fortheBBCWorldNewsandBBCFutureseries,FollowtheFood.Theaimistoexamineatruck-loadofissuesaroundfoodsupplyandfindsomepotentialsolutionsforourfuture.Thismuch-neededtransformation–ofnotjustagriculturebutourwholefoodsupplychain–isalreadyunderway.Herearetwosolutionsthatcouldhelpusgetreadytofeedthe10billion.CreatingrobotfarmersBeforeyouscreamatyourscreenaboutrobotstakingourjobs,hearmeout.Manyfarmerssaythattimeinthefieldisnotonlyrepetitiveandboring,butrobsthemoftimetheycouldbespendingonotherkeyjobstheyneedtodotomanagetheirbusiness.TheSmallRobotCompanyhascreatedthreesmallrobots:Tom,DickandHarry.Tomtakesgeotaggedimagesofplantsinthefiel,whicharesentbackforanalysis.ThatleadstoDickventuring(venture)outtospray–withprecision(precise)–individualcrops,eliminatingtheneedforblanketsprayingfields,andavoidingunnecessarypollutingrun-offandsavingresources.Harryistheplantingrobot,completewitharoboticdrill.Together,theycarryoutthemonotonoustasksconventionally(convention)donebyahuman–withgreateraccuracyandlesswaste.PreservingpreciousdirtOnereasonwhysmall,mobilerobotscouldbegoodnewsforfarmingisthattheycanreplacealotoftheworkdonebylargetraditonaltractors.Ordinarytractorsareheavy.Whentheyrollacrossthefield,theycompactthesoil.Thatcrushesthegapsinside,reducingthesizeoftheporesthatholdairandwater.Thiscompactionsignificantlyaffectsthesoil’sabilitytoholdontowaterandsoacrop’sabilitytotake(take)thatup,alongwiththenutrients.Usingsmaller,lighterrobotstodothejobscurrentlyperformedbytractorscouldhugelyhelpreducetheseissues.Now,asmallrobotcan’tpulllarge,heavymachinerylikeatillerorcultivator.Butthey’renotlookingtosimplyrepeattraditionalfarmingmethods.2050年养活100亿人口的两种方法随着全球人口数量持续增加,有人预计2050年全球总人口可达100亿。要让这么多人都吃饱饭,我们的食物产出量就要达到历史新高。在过去的六个月里,我走遍了整个欧洲,与前沿科学家和工程师、全球意见领袖、精明的零售商、当然还有学识渊博且坚韧的农民聊天,为英国广播公司(BBC)国际新闻(WorldNews)以及未来(Future)专栏的节目——《跟随食物的脚步》(FollowtheFood)做准备。这么做是为了检视许多与食品供应相关的问题,并为我们的未来寻找一些可能的解决方案。这种人们迫切需要的转变,即农业乃至整个食品供应链的转变,已经在进行中了。以下五种方法或许可以帮助我们做好养活100亿人的准备。开发务农机器人在你对着屏幕大吼机器人抢走人类饭碗之前,请先听我讲完。许多农民表示,坐在拖拉机上在农田里耗上好几个小时的时间,不仅重复及无聊,还剥夺了他们原本可以用来处理更重要的工作以打理生意的时间。小型机器人公司(SmallRobotCompany)已经开发了三款小型机器人:汤姆(Tom)、迪克(Dick)和哈利(Harry)。汤姆拍摄带有地理标记的田间植物图像,然后发回分析。随后迪克出动,负责对特定作物进行农药精准喷洒,进而免去地毯式喷洒的需要,避免不必要的径流污染,并能节约资源。哈利则是播种机器人,配合机械钻完成工作。这三个机器人可以一起完成原本由人类负责的单调工作,而且准确率更高,还减少了浪费。保护珍贵的土壤农用小型移动式机器人的潜在优势之一在于他们可以取代许多由传统大型拖拉机完成的工作。普通的拖拉机非常沉重,在滚过田地的时候会压实土壤。这会破坏土壤中的空隙,减少储存空气和水分的孔隙大小。土壤被压实很大程度上影响了土壤储存水分的能力,进而影响作物对水分和营养的吸收。使用更小、更轻的机器人完成原本由拖拉机完成的工作有助于减少此类问题的发生。小型机器人虽然不能拖动翻土机、犁田机等大型重机械,但发明轻型农耕机器人的目的本就不是为了简单地重复传统的务农方法。生词积累whoppingadj.巨大的;天大的;异常的pioneeringadj.首创的,先驱的;有开创者特点的resilientadj.(人或动物)对困境有承受力的,有复原力的repetitiveadj.重复乏味的;多次重复的geotaggedadj.(为照片等)添加地理位置标记的venturev.敢于去(未知或危险等地方);冒险;小心地说,谨慎地做precisionn.精确(性),准确(性);严谨,细致eliminatev.剔除,根除;对……不予考虑,把……排除在外monotonousadj.单调乏味的,毫无变化的;无抑扬顿挫的compactv.压紧,压实;缩短,精简cultivatorn.耕者;栽培者;耕田机原创外刊改编语法填空题打卡Day88Howdoesanearthquakeoccur?Earthquake,anysuddenshakingofthegroundcausedbythepassageof
seismicwaves
throughEarth’srocks.SeismicwavesareproducedwhensomeformofenergystoredinEarth’scrustissuddenlyreleased,usuallywhenmassesofrockstrainingagainstoneanothersuddenlyfractureand“slip.”Earthquakesoccurmostoftenalonggeologic
faults,narrowzones_____1_____rockmassesmoveinrelationtooneanother.Themajorfaultlinesoftheworldarelocatedatthefringesofthehugetectonicplates
thatmakeupEarth’scrust.About50,000earthquakeslargeenough_____2_____(notice)withouttheaidofinstrumentsoccurannuallyovertheentireEarth.Ofthese,approximately100areofsufficientsizetoproducesubstantialdamageiftheircentresarenearareasofhabitation.Verygreatearthquakesoccur_____3_____averageaboutonceperyear.Overthecenturies,they_____4_____(be)responsibleformillionsofdeathsandanincalculableamountofdamagetoproperty.Earth’smajorearthquakesoccurmainlyinbeltscoincidingwiththemarginsoftectonicplates.Thishaslongbeenapparentfromearlycatalogsoffeltearthquakesandiseven_____5_____(ready)discernibleinmodernseismicitymaps,whichshowinstrumentallydetermined
epicentres.ThemostimportantearthquakebeltistheCircum-PacificBelt,whichaffectsmanypopulatedcoastalregionsaroundthePacificOcean—forexample,thoseofNewZealand,NewGuinea,Japan,theAleutianIslands,Alaska,andthewesterncoastsofNorthandSouthAmerica.
NaturalforcesEarthquakesarecausedbythesuddenreleaseofenergywithinsomelimitedregionoftherocksoftheEarth.Theenergycanbereleasedbyelasticstrain,gravity,chemicalreactions,oreventhemotionof_____6_____(mass)bodies.Ofallthesethereleaseofelasticstrainisthemostimportantcause,becausethisformofenergyistheonlykindthatcanbestoredinsufficientquantityintheEarthtoproducemajordisturbances.Earthquakesassociatedwiththistypeofenergyrelease_____7_____(call)
tectonicearthquakes.VolcanismAseparatetypeofearthquakeisassociatedwithvolcanicactivityandiscalledavolcanicearthquake.Yetitislikelythateveninsuchcasesthedisturbanceistheresultof_____8_____abruptslipofrockmassesadjacenttothevolcanoandtheconsequentreleaseofelasticstrainenergy.Thestoredenergy,however,mayinpartbeofhydrodynamicoriginduetoheatprovidedby
magma
movinginreservoirsbeneaththevolcanoortothereleaseofgasunderpressure.ArtificialinductionEarthquakesaresometimescausedbyhumanactivities,includingtheinjectionoffluidsintodeepwells,thedetonationoflargeundergroundnuclearexplosions,theexcavationofmines,andthefillingoflargereservoirs.Inthecaseofdeepmining,theremovalofrockproduceschangesinthestrainaroundthetunnels.Sliponadjacent,preexistingfaultsoroutwardshatteringofrockintothenewcavitiesmayoccur.Influidinjection,theslipisthoughttobeinducedbyprematurereleaseofelasticstrain,asinthecaseoftectonicearthquakes,afterfaultsurfacesarelubricatedbytheliquid.ReservoirinductionOfthevariousearthquake-causingactivitiescitedabove,thefillingoflargereservoirsisamongthemostimportant.Morethan20significantcaseshavebeendocumentedinwhichlocalseismicityhasincreasedfollowingtheimpoundingofwaterbehindhighdams.Often,causalitycannotbesubstantiated,becausenodataexiststoallowcomparisonofearthquake_____9_____(occur)beforeandafterthereservoirwasfilled.Reservoir-inductioneffectsaremostmarkedforreservoirs_____10_____(exceed)100metres(330feet)indepthand1cubickm(0.24cubicmile)involume.
Howdoesanearthquakeoccur?Earthquake,anysuddenshakingofthegroundcausedbythepassageof
seismicwaves
throughEarth’srocks.SeismicwavesareproducedwhensomeformofenergystoredinEarth’scrustissuddenlyreleased,usuallywhenmassesofrockstrainingagainstoneanothersuddenlyfractureand“slip.”Earthquakesoccurmostoftenalonggeologic
faults,narrowzoneswhererockmassesmoveinrelationtooneanother.Themajorfaultlinesoftheworldarelocatedatthefringesofthehugetectonicplates
thatmakeupEarth’scrust.About50,000earthquakeslargeenoughtobenoticed(notice)withouttheaidofinstrumentsoccurannuallyovertheentireEarth.Ofthese,approximately100areofsufficientsizetoproducesubstantialdamageiftheircentresarenearareasofhabitation.Verygreatearthquakesoccuronaverageaboutonceperyear.Overthecenturies,theyhavebeen(be)responsibleformillionsofdeathsandanincalculableamountofdamagetoproperty.Earth’smajorearthquakesoccurmainlyinbeltscoincidingwiththemarginsoftectonicplates.Thishaslongbeenapparentfromearlycatalogsoffeltearthquakesandisevenmorereadily(ready)discernibleinmodernseismicitymaps,whichshowinstrumentallydetermined
epicentres.ThemostimportantearthquakebeltistheCircum-PacificBelt,whichaffectsmanypopulatedcoastalregionsaroundthePacificOcean—forexample,thoseofNewZealand,NewGuinea,Japan,theAleutianIslands,Alaska,andthewesterncoastsofNorthandSouthAmerica.
NaturalforcesEarthquakesarecausedbythesuddenreleaseofenergywithinsomelimitedregionoftherocksoftheEarth.Theenergycanbereleasedbyelasticstrain,gravity,chemicalreactions,oreventhemotionofmassive(mass)bodies.Ofallthesethereleaseofelasticstrainisthemostimportantcause,becausethisformofenergyistheonlykindthatcanbestoredinsufficientquantityintheEarthtoproducemajordisturbances.Earthquakesassociatedwiththistypeofenergyreleasearecalled(call)
tectonicearthquakes.VolcanismAseparatetypeofearthquakeisassociatedwithvolcanicactivityandiscalledavolcanicearthquake.Yetitislikelythateveninsuchcasesthedisturbanceistheresultofanabruptslipofrockmassesadjacenttothevolcanoandtheconsequentreleaseofelasticstrainenergy.Thestoredenergy,however,mayinpartbeofhydrodynamicoriginduetoheatprovidedby
magma
movinginreservoirsbeneaththevolcanoortothereleaseofgasunderpressure.ArtificialinductionEarthquakesaresometimescausedbyhumanactivities,includingtheinjectionoffluidsintodeepwells,thedetonationoflargeundergroundnuclearexplosions,theexcavationofmines,andthefillingoflargereservoirs.Inthecaseofdeepmining,theremovalofrockproduceschangesinthestrainaroundthetunnels.Sliponadjacent,preexistingfaultsoroutwardshatteringofrockintothenewcavitiesmayoccur.Influidinjection,theslipisthoughttobeinducedbyprematurereleaseofelasticstrain,asinthecaseoftectonicearthquakes,afterfaultsurfacesarelubricatedbytheliquid.ReservoirinductionOfthevariousearthquake-causingactivitiescitedabove,thefillingoflargereservoirsisamongthemostimportant.Morethan20significantcaseshavebeendocumentedinwhichlocalseismicityhasincreasedfollowingtheimpoundingofwaterbehindhighdams.Often,causalitycan
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