2020北京各區(qū)高三一模匯編-閱讀理解C篇_第1頁
2020北京各區(qū)高三一模匯編-閱讀理解C篇_第2頁
2020北京各區(qū)高三一模匯編-閱讀理解C篇_第3頁
2020北京各區(qū)高三一模匯編-閱讀理解C篇_第4頁
2020北京各區(qū)高三一模匯編-閱讀理解C篇_第5頁
已閱讀5頁,還剩18頁未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡介

2020北京各區(qū)高三一模英語分類匯編閱讀理解C匯編

閱讀下列短文,從每題所給的A、B、C、D四個選項(xiàng)中,選出最佳選項(xiàng),并在答題卡上將該項(xiàng)涂黑。

1、(20如北京朝陽一模)

C

Abutterfly5swingscanhavemanyjobsbesideskeepingtheinsecthighupintheair.

Theymaybeusedtoattractmates,ortowarnpotentialattackerstostayaway.Allofthese

roles,though,dependontheirunchangingcolouration.Thisplaysintotheideathatbutterfly

wingsaredeadtissue,likeabird'sfeathers.Infact,that'snottrue.Forexample,insome

speciesmales'wingshavespecialcellsreleasingsomechemicalswhichattractfemales.

NanfangYu,aphysicistatColumbiaUniversity,inNewYork,hasbeenlookingintothematter.Together

withNaomiPierce,abutterflyspecialistatHarvardUniversity,hehasnowshown,inapaperpublishedmNature

CommunicationsinFebruary,2020,thatbutterflywingsare,indeed,verymuchalive.

Intheirexperiments,thetworesearchersusedalaser(激光)toheatupspotsonthewingsofdozensofbutterfly

species.Whenthetemperatureoftheareaunderthelaserreached40℃orso,theinsectsrespondedwithinseconds

bydoingthingsthatstoppedtheirwingsheatingupfurther.Theseactionsincludedabutterflyturningaroundto

minimizeitsprofiletothelaser,movingitswingsupanddownorsimplywalkingaway.

Butterfliesengagedinalloftheseheat-minimisingactivitiesevenwhentheresearchersblindfoldedthem.

Thatsuggestedtherelevantsensorswereonthewingsthemselves.DrYuandDrPiercethereforesearchedthose

wingsforlikelylookingsensorycells.Theyfoundsome,intheformofneurons(神經(jīng)元)thatweresimilartoheat

detectorsknownfromotherinsects.Theyalsouncovereddisc-shapedcellsthatappearedtobesimilartopressure-

sensitiveneurons.Theyguessthatthesearetheretodetectdeformationofthewing-informationaninsectcoulduse

tocontrolitsHightpattern.

Thethirddiscoverytheymadetocontradictthe“deadwing“ideawasthatsomebutterflywingshavea

heartbeat.Abutterfly'swingshaveveins面脈).Thesecarryabloodlikeliquidwhich,researchershavenowfoundin

males,showsapulse(脈搏)ofseveraldozenbeatsperminute.Thesourceofthispulseappearstobethescent(氣味)

pad,adarkspotonthewingsthatproducesthefemale-attractingchemicals.Apparently,this“wingheart“actsasa

pumpthathelpsbloodlike

liquidthroughthescentpad.

Inalltheirexperimentssimulatingdifferentenvironmentalconditions,DrYuandDrPierceconsistentlyfound

that,differentpartsofthewingarecoveredbydifferentsortsofscales鱗屑).Inparticular,tubespassthroughscales

overthescentpads.Thisimprovestheirabilitytospreadheatawayandhelpskeepthelivingpartsofabutterfly?s

wingsalive.

1/23

38.Abird9sfeathersarementionedinParagraph1to.

A.introducethelatestresearchfindingsonabird

B.highlightthespecialfeatureofabird'sfeathers

C.showcommonknowledgeaboutbutterflywings

D.stressthedifferencebetweenabutterflyandabird

39.WhatcanwelearnfromDrYuandDrPierce,sexperiments?

A.Butterflywingsarecomplicatedlivingorgans.

B.Butterflywingshavelittlereactiontoexternalheat.

C.Thescentpadsonsomemalebutterflywingsaretheirhearts.

D.Heat-minimisingactivitieshelpdetectdeformationofthewings.

40.Whatisthefunctionofscalesoverthescentpads?

A.Attractingmates.B.Increasingbloodflow.

C.Coveringpowerfultubes.D.Producingthecoolingeffect.

41.Whichofthefollowingwouldbethebesttitleforthepassage?

A.SeeingIsBelievingB.MoreThanMeetsTheEye

C.NothingSeek,NothingFindD.FineFeathersMakeFineBirds

2、(2020北京東城一模)

C

WeAreCyborgs

RoboCop,theBionicWoman,DarthVader-whatdothesecharactershaveincommon?Theyareallcyborgs-

humanswhoaremademorepowerfulbyadvancedtechnology.Youmightthinkthatcyborgsexistonlyinfiction,or

areapossibilityonlyinthedistantfuture.Butcyborgtechnologyalreadyexists.

Theword“cyborg“wasfirstusedin1960anddefinedasanorganism“towhichexternalcomponentshavebeen

addedforthepurposeofadaptingtonewenvironments^^.Accordingtothisdefinition,anastronautinaspacesuitisan

exampleofcyborg,asthespacesuithelpstheastronautadapttoanewenvironment-space.Morerecently,theword

hasevolvedtorefertohumanbeingswhohavemechanicalbodypartsthatmakethemmorethanhuman.

Althoughsuper-humanslikeRoboCoparenotyetareality,advancesinreal-lifecyborgtechnologyallowsome

peopletocompensateforabilitiestheyhavelost,andgiveotherpeoplenewandunusualabilities.Anexampleis

2/23

filmmakerRobSpenceandhisbioniceye.Spenceinjuredoneofhiseyesinanaccident.Acamerawasimplantedin

hisprostheticeye(彳發(fā)眼).Theeyeisnotconnectedtohisbrainoropticnerve(視神經(jīng)),butitcanrecordwhat

hesees.Spencehasusedhiscameraeyetorecordinterviewsforadocumentaryaboutpeoplewithbionicbodyparts.

Sometypesofcyborgtechnologyreplacealostabilitybyconnectingdirectlytoaperson'snerves.Michael

ChorostcompletelyandsuddenlylosthisabilitytohearinJulyof2001.Twomonthslater,doctorsplacedacochlear

implant,akindofcomputer,insidehisskull.Thistypeofimplantconnectstoauditorynervesandallowsadeaf

persontohearagain.Aroundtheworld,over300,000peoplehavenowbeenfittedwithcochlearimplants.

Theseexamplesofcyborgtechnologyhaveenabledpeopletoenhanceorchangetheirabilitiesandimprovetheir

lives.Butdoeseveryonewanttousecyborgtechnology?Itmightbetoolatetodecide.CyborgscientistAmberCase

arguesthatmostofusarealreadycyborgs.Anyonewhousesacomputerorasmartphone,Caseclaims,isacyborg.

Considerthedatathatyouhaveinyoursmartphone.Itkeepsinfonnationfbryousoyoudon'thavetorememberit:

notes,phonenumbers,emailaddresses,messages.Italsoallowsyoutocommunicatewithfriendsandfamilyvia

telephone,textmessages,email,andsocialnetworks.

Thepotentialbenefitsofcyborgtechnologyareevident,butcanthisnewtechnologybeharmful,too?Couldwe

becometoodependentoncyborgtechnology-andbecomelessthanhuman?Thesestillremainquestions.

38.Accordingtothepassage,thecyborg.

A.issimilartohumanbeings

B.tookrootinfictioncharacters

C.firstappearedinspaceindustry

D.hassomedeviceattachedtothebody

39.Withthehelpofcyborgtechnology,.

A.eyesightcanberestored

B.thenerveinjurycanberepaired

C.lostabilitiescanbereplacedbyanewskill

D.hearinglosscanbepreventedbycochlearimplants

40.AmberCaseprobablythinksthat.

A.technologymakescyborgsbecomecommon

B.cyborgtechnologyiscrucialtomodernsociety

C.theuseofmobilesimprovescyborgtechnology

D.cyborgtechnologyhelpsimprovehumanmemory

3/23

41.Whatistheauthor'sattitudetowardcyborgtechnology?

A.Critical.B.Skeptical.C.Optimistic.D.Objective.

3、(2020北京房山一模)

C

TheresearchfromtheU.S.CentersforDiseaseControlandPreventionshowsthatfoodallergies(過敏)in

childrenhaveincreasedabout50percent.Commonsymptomsofallergicresponsesincludeitchymouth,throat

tightening,anddifficultiesinbreathing.

Foodallergyisamedicalconditionofexposuretocertainfoods.Itoccurswhentheimmunesystemattacksthe

proteininfoodthatinnormalcasesisharmless.Accordingtoreports,morethan170foodscauseallergicreactions.

Themajorfoodallergensareineggs,milk,peanuts,wheat,soy,fish,treenuts,andcrustaceanshellfish.

Thereareseveralreasonsbehindtheriseinfoodallergies.Thefoodbeingproducedthesedaysishighinsugar,

unhealthyfats,geneticallymodifiesandsomefoodfarmshavepesticides(農(nóng)藥)andotherfoodhavebeeninjected

drugs.Allthiscanhaveanegativeimpactonourmicrobiome(微生物群),whichisthebasisofgoodhealthand

immunity.

Inastudycomparingtwochildren,a15-year-oldwholivedinurbanItalyanda14-year-oldchildfromrural

Africa,itclearlyshowedasignificantdifferenceinthediversityofbacteriaintheirguts.Thereasonliesintheirdiet.

ThechildfromruralAfricahashisdietlowinfatandrichinplant-basedfoodswhicharegrownandharvested

locallybyvillagers.Incontrast,theItaliankid'sdietwasrichinanimalprotein,sugarthenlowinfiber.Ultimately,

themicrobiomeofthekidfromItalywaslessthanthatofthekidfromAfrica.Besides,theso-called'hygiene

hypothesis9suggeststhatdecreasedexposuretomicrobesinearlylifecanleadtoanincreasedchanceofallergiesin

laterlife,becauseofindividualsnothavingbuiltupimmunityatayoungage.

Yetanotherreasonfortheexplosioninallergiesmaybeenvironmentalchanges.Theenvironmenthasseenarise

intemperatureandisestimatedthatinthecomingdecadesthetemperaturecouldriseevenfurtherby10degrees.Asa

resultofthiswarmclimate,thegrowingseasonswillbelonger,increasingallergencountthusmakingallergieseven

worse.Accordingtoscientists,climatechangeisacontributingfactorthatneedsimmediateattention.

Dr.R.Sharon,researcherofAllergyandAsthmaResearchCentreatStanfordUniversity,believesthecauseof

allergieswillultimatelycomedowntoacombinationofmanyfactors.

Foodallergieshavenocurebutcanbemanagedbyavoidingfoodthatbringsthereactions.Scientistsare

studyingfoodallergiesmedicalmethodsforgeneraluse.Theyarealltryingtoactivelyunderstandacertainpartofthe

puzzlewhenitcomestoallergies.

38.Whatcanwelearnfromthepassage?

4/23

A.Scientistshavefoundaneffectivemethodtosolvefoodallergies.

B.Therecouldbemanyreasonsthatcombinetoleadtofoodallergies.

C.Environmentalchangesarethemostimportantreasonforfoodallergies.

D.Todecreasechildren'sallergies,weshouldmakethemeatlesseveryday.

39.Inparagraph4,thetwochildrenarementionedtoshowthat.

A.pesticideshavebadeffectsonpeople'sfood

B.aperson'sdailydietcanaffecthismicrobiome

C.foodallergieshavenocurebutcanbeavoided

D.climatechangeisanotherfactorforfoodallergies

40.Whatisthemainpurposeofthispassage?

A.Toexplainthecausesoffoodallergies.

B.Tostresstheinfluencesoffoodallergies.

C.Tointroducethesolutionstofoodallergies.

D.Totellpeoplethesymptomsoffoodallergies.

41.Whafstheauthor'sattitudetothetreatmentoffoodallergies?

A.Indifferent.B.Positive.

C.Doubtful.D.Critical.

4、(2020北京豐臺一模)

C

Inindustryandmedicine,robotsroutinelybuild,breakdownandinspectthings;theyalsoassistinsurgeryand

pharmacies.Neithertheynor€6social^^robots—whicharedesignedtoengagewithpeopleandtoestablishanemotional

connection-behavelikeTheJetsons'maid,Rosie,orotherbelovedrobotsoffiction.Evenso,expectsocialrobotsto

becomemorecomplicatedandpopularinthenextfewyears.

Likemostrobots,socialrobotsuseartificialintelligence(AI)todecidehowtoactoninformationreceived

throughcamerasandothersensors.Theabilitytorespondinwaysthatseemlifelikehasbeeninformedbyresearch

intosuchissuesashowperceptions(認(rèn)知)form,whatconstitutessocialandemotionalintelligence,andhowpeople

understandothers'thoughtsandfeelings.AdvancesinAIhaveenableddesignerstotranslatesuchpsychologicaland

neuroscientific(神經(jīng)學(xué)的)insightsintoalgorithms(演算)thatallowrobotstorecognizevoices,facesandemotions;

5/23

interpretspeechandgestures;respondappropriatelytocomplexverbalandnonverbalcues;makeeyecontact;speak

conversationally;andadapttopeople'sneedsbylearningfromfeedback,rewardsandcriticisms.

Inconsequence,socialrobotsarefillinganeverexpandingvarietyofroles.A47-inchhumanoidcalledPepper

(fromSoftBankRobotics),forinstance,recognizesfacesandbasichumanemotionsandengagesinconversationsvia

atouchscreeninits"chest."About15,000Peppersworldwideperformsuchservicesashotelcheck-ins,airport

customerservice,shoppingassistanceandfast-foodcheckout.Socialrobotshaveparticularappealforassistingthe

world'sgrowingelderlypopulation.Japan'sPAROTherapeutic(治療的)Robot,whichlookslikealovelyseal(海

豹),ismeanttostimulateandreducestressforthosewithAlzheimer'sdiseaseandotherpatients.Mabu(Catalia

Health)engagespatients,particularlytheelderly,remindingthemtotakewalksandmedication.Socialrobotsarealso

gainingpopularitywithconsumersastoys.Earlyattemptstoincotporatesocialbehaviorintoys,suchasHasbro's

BabyAliveandSony'sAIBOroboticdog,hadlimitedsuccess.Butbothareresurging,andthemostrecentversionof

AIBOhascomplicatedvoiceandgesturerecognition,canbetaughttricksanddevelopsnewbehaviorsbasedon

previousinteractions.

Worldwidesalesofconsumerrobotsreachedanestimated$5.6billionin2018,andthemarketisexpectedto

growto$19billionbytheendof2025.Thistrendmayseemsurprisinggiventhatmultiplewell-fundedconsumer

robotcompanies,suchasJiboandAnki,havefailed.Butawaveofrobotsislininguptotaketheplaceofdefunct

robots,includingBUDDY(BlueFrogRobotics),abig-eyedmobiledevicethatplaysgamesinadditiontoactingasa

personalassistantandprovidinghomeautomationandsecurity.

38.Paragraph2mainlytellsus.

A.whatthefeaturesofsocialrobotsare

B.whatpromotessocialrobots9engagementwithpeople

C.howalgorithmsarcimprovedtoadapttopeople'sneeds

D.howpsychologicalandneuroscientificinsightsaretranslated

39.AccordingtoParagraph3,socialrobots.

A.haveawiderangeofapplications

B.havetheabilitytodealwithemergencies

C.haveatendencytotaketheplaceofhumans

D.havesuccessfullygainedpsychologicalinsight

40.Whatcanwelearnfromthepassage?

A.Socialrobotsaredesignedaspersonalassistants.

B.Robotsinindustryandmedicineneedimprovement.

6/23

C.Consumerrobotshavebeensuccessfulalltheseyears.

D.Socialrobotsarepopularduetogreatinteractiveabilities.

41.Whatisthepurposeofthepassage?

A.Topredicttheprospectofsocialrobots.

B.Tointroducetheadvancesofsocialrobots.

C.ToreporttheapplicationofAIinsocialrobots.

D.Toshowtheinfluenceofsocialrobotsonourlife.

5、(2020北京適應(yīng)一模)

C

Agroupofblue-facedbirdsstepthroughthegrassshouldertoshoulder,redeyes

lookingaround.Theylooklikemiddleschoolersseekingacafeteriatableatlunchtime.

Perhapsthey9renotsodifferent.

Anewstudy,ledbyDamienFarine,anornithologistwhostudiescollective

behaviour,showsthatthevulturine

guineafowlofeasternAfrica,likehumans,havemultilevelsocieties.Inthepast,scientistsassumedsuchsocial

structuresrequiredalotofbrainpower.Butthepea-brainedguineafowlarerevealingthefaultsinthatassumption.

Theselargebirdswanderacrossthelandscapeinpacks,oftenwalkingsocloselythattheirbodiestouch.They

mayfighteachothertomaintaintheirstricthierarchies(等級制度),butatothertimestheyengageinfriendly

behaviourslikesharingfood.

Suspectingtheguineafowlmighthaveasocialstructure,Dr.Farineandhiscolleaguesbeganathoroughstudyof

theirsociety.Forawholeyear,theymadedailyobservationsof441birds.Colouredlegbandsinuniquecombinations

letresearcherstelltheblack-and-bluebirdsapart.TheyalsoattachedGPSdevicestothebacksof58birds,whichlet

themseeexactlywhereeverygroupwent,24hoursaday.

Thefindingsoftheresearchsuggestthatthevulturineguineafowlhaveamultilevelsociety.Therearegroups

withingroupswithinthepopulationasawhole.Thereevenseemtobegroupsoffriendswithinthesmallgroups.This

isthefirsttimeanyonehasobservedsuchasocietyinabird.

AndDr.Farineemphasizesthisparticularbird'stinybrainsize:"Theydon'tonlyhavesmallbrainsrelativeto

mammals(哺孚L動物),theyalsohavequitesmallbrainsrelativetootherbirds,“hesaid.

Accordingtohim,livinginthiskindofsocietymightactuallymakeiteasiertokeeptrackofthesocialorder.For

example,ifgroupsarestableandabirdcanidentifyjustoneortwoindividualswithinagroup,itknowswhichgroup

7/23

it'slookingat-noneedforabrainthatcanrecognizeeverysingleanimal.Multilevelsocietiesalsoletanimalsadjust

theirgroupsizesbasedonwhateverchallengesthey9refacing.Dependingonwhatenemiesorresourcesarearound,it

mightmakesensetotravelinacombinedgroupratherthanasmallerone.

“Havingamultilevelstructuremaynotrequirehavingalargebrain,"Dr.Farinesaid.Theremaybemorebirds

andotheranimalsouttherethat,althoughsmall-brained,havesocietiesasmany-leveledasourown.

38.Accordingtothepassage,whatinspiredDr.Farinetocarryoutthestudy?

A.TheguineafowPssocialbehaviour.

B.Previousassumptionsaboutbirds.

C,Hisinterestinanimalbrainpower.

D?Thefaultsinearlierresearch.

39.WhatisParagraph4mainlyabout?

A.Theresearchsubjects.B.Theresearchmethods.

C.Theresearchfindings.D.Theresearchequipment.

40.Whatcanbelearnedfromthepassage?

A.Complexsocialsystemscanbeadisadvantagetotheguineafowl.

B.Theguineafowlaregoodatrecognizingindividualsinagroup.

C.Birdsmaintainsocialorderbytravellingincombinedgroups.

D?Small-brainedanimalscanformmultilevelsocieties.

41.Whatisthemainpurposeofthepassage?

A.Topresentthefindingsofastudyoftheguineafowl.

B.Toexplaintheinteractionpatternsinmultilevelsocieties.

C.Tointroduceanewapproachtoobservingtheguineafowl.

D.Touncovercluesabouthowcomplexsocietiesareformed.

6、(2020北京海淀一模)

C

8/23

Thereiscertainlyevidencethatactorsexperienceablendingoftheirrealselfwiththeirassumedcharacters.For

instance,BenedictCumberbatchsaid,"MymumsaysI'mmuchmoreimpatientwithherwhenI'mfilmingSherlock.1'

MarkSeton,aresearcherattheUniversityofSydney,hasevencoinedtheterm"post-dramaticstressdisorder**to

describethelastingeffectsexperiencedbyactorswholosethemselvesinarole."Actorsmayoftenprolonghabitsof

thecharacterstheyhaveembodied/hewrites.

Arecentfindingdoesn'tinvolveacting,anditindicatesthatmerelyspendingsometimethinkingaboutanother

personseemedtoruboffothevolunteers1senseofself,ledbyMeghanMeyeratPrincetonUniversity.Across

severalstudies,theseresearchersaskedvolunteerstofirstratetheirownpersonalities,memoriesorphysicalattributes,

andthentoperformthesametaskfromtheperspectiveofanotherperson.Forinstance,theymightscorethe

emotionalityofvariouspersonalmemories,andthenratehowafriendorrelativewouldhaveexperiencedthosesame

events.

Aftertakingtheperspectiveofanother,thevolunteersscoredthemselvesonceagain:theconsistentfindingwas

thattheirself-knowledgewasnowchanged-theirself-scoreshadshiftedtobecomemoresimilartothosethey'dgiven

forsomeoneelse.Forinstance,iftheyhadinitiallysaidthetraitterm"confident"wasonlymoderatelyrelatedto

themselvesandthenratedthetermasbeingstronglyrelatedtoafriend'spersonality,whentheycametorescore

themselves,theynowtendedtoseethemselvesasmoreconfident.Remarkably,thismorphingoftheselfwithanother

wasstillapparentevenifa24-hourgapwasleftbetweentakingsomeoneelse*sperspectiveandre-ratingoneself.

“Bysimplythinkingaboutanotherperson,wemayadaptourselftotaketheshapeofthatperson,nsaidMeyer

andhercolleagues.Thatoursenseofselfshouldhavethisqualitymightbealittlediscouraging,especiallyforanyone

whohasstruggledtoestablishafirmsenseofidentity.Yetthereisanoptimisticmessagehere,too.Thechallengeof

improvingourselves-oratleastseeingourselvesinamorepositivelight-mightbealittleeasierthanwethought.By

roleplayingoractingoutthekindofpersonwewouldliketobecome,ormerelybythinkingaboutandspendingtime

withpeoplewhoembodythekindofattributeswewouldliketoseeinourselves,wecanfindthatoursenseofself

changesindesirableways.

"Aseachofuschooseswhotobefriend,whotomodel,andwhotoignore/writeMeyerandhercolleagues,nwe

mustmakethesedecisionsawareofhowtheyshapenotonlythefabricofoursocialnetworks,butevenoursenseof

whoweare."

38.Thefirsttwoparagraphsmainly.

A.statethatactingrequiresskills

B.explainthestressthatanactorfaces

C.showthataroleleavesamarkontheactor

D.stresstheimportanceofdevotingoneselftoarole

39.Whatdoestheunderlinedphrase"ruboffon"inParagraph3probablymean?

9/23

A.Influence.B.Strengthen.C.Confuse.D.Determine.

40.Accordingtothestudy,takingtheperspectiveofanotherperson.

A.bringschangestoone'sself-knowledge

B.motivatesonetobetterunderstandhimself

C.helpspeopledealwiththeiridentityproblems

D.producestemporaryeffectsonone'scharacter

41.Whatisthesignificanceofthestudy?

A.Itoffersinstructionsonmakingfriends.

B.Itproposesameanstoimproveourselves.

C.Itgivesadviceonadjustingone'semotions.

D.Itpresentsawaytodealwithstressdisorder.

7、(2020北京門頭溝一模)

C

Newstudyshowsrapiddeclineininsectpopulations.AgrowingnumberoftheEarth'sinsectpopulationnow

canbeseenonlyincollectionsonexhibitions.Nobody*sseenthosefor400years.Anewreviewofover70studiesof

insectpopulationssuggeststhathumanpressuresarecausinginsectpopulationstoplummetbyasmuchasaquarter

everydecade.Thelossofspeciesisinevitablyconcerningbecauseoftenwedon'tknowwhatthosespeciesaredoing

orwedon'tknowwhatotherspeciesaredependingonthem.

Insectsmakeupthelargestclassofanimalsonearthandrepresentmorethanhalfofallknownlivingcreatures.

Theyareincrediblydiverse,andinmanywaysmakelifeonEarthpossible.Butwhenwedecreasethenumberof

species,we'redestroyingecosystemfunction.Whydoesthatmatter?Itisbecausethatit'secosystemsthatsupport

humans.Butthoselife-supportsystemsthatkeepusalive,evenifweliveinacity,areproducedbyhealthy

ecosystems.Andnoneoftheseecosystemswillrunwellwithoutinsects.Beesandbutterfliespollinate^授粉)our

food,flowersandtrees.Theyfeedallkindsoflargeranimals,includinghumans.Alargenumberofcropsweeatand

relyonarcpollinatedbyinsects,sowecan'timagineaworldwherethatpollinationprocessisnottakingplace.

Andtherearesomecasesalreadyaroundtheworldwherewearehavingtopollinatebyhand,athugecost,a

hugeeconomiccost,simplybecausetheinsectsaren'ttheretodotheworkthatwewouldnormallyaskthemtodo

forfree.Andinsomecases,ifyou9retalkingaboutfoodcrops,justtrytoimaginethescaleofwhattheworldwould

looklikeifinsectsweren'tdoingthatforus.Onebigwarning,allofthestudiescomefromindustrializedcountriesin

EuropeandNorthAmerica.Insomeareas,thedeclineisevenmorerapid.Accordingtoonerecentstudy,thenumber

10/23

ofgroundinsectsinPuertoRicohasfallenby98%overthelast35years.Agrowingbodyofresearch

insectsaredecliningabouttwiceasfastasvertebrates.

Theresearcherspredictthatallinsectspeciescouldbegoneinacenturyintheseindustrialize1

38.Whatdoestheunderlinedword“plummet”inParagraph1probablymean?

A.Reduce.B.Increase.C.Disappear.D.Raise.

39.WecanlearnfromParagraph2and3that.

A.wecanmakeabigprofitbypollinatingbyhand

B.insectshavenoimpactonindustrialdevelopment

C.pollinatingbyhandcanreplacepollinatingbyinsects

D.insectsaccountforthelargestcompositionintheentireanimalkingdom

40.What'stheauthorsattitudetowardsthephenomenonmentionedinthenews?

A.Unclear.B.Concerned.C.Suspicious.D.Critical.

41.Theauthorhelpsreadersbetterunderstandhisideamainlyby.

A.usingresearchresultsB.makingcomparisons

C.givingsomeexamplesD.tellingpersonalstories

8、(2020北京密云一模)

C

AteamofengineersatHarvardUniversityhasbeeninspiredbyNaturetocreatethefirstrobotic

mechanicalflyhasbecomeaplatformforaseriesofnewhigh-techsystems.Designedtodowhatafly

thetinymachineisthesizeofafathousefly.Itsminiwingsallowittostayintheairandperfon

tasks.

"It'sextremelyimportantforustothinkaboutthisasawholesystemandnotjustthesunofaI

components元件),“saidRobertWood,

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫網(wǎng)僅提供信息存儲空間,僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

最新文檔

評論

0/150

提交評論