天津市南開區(qū)2020-2022屆(三年)高三一模英語試題匯編:閱讀理解_第1頁
天津市南開區(qū)2020-2022屆(三年)高三一模英語試題匯編:閱讀理解_第2頁
天津市南開區(qū)2020-2022屆(三年)高三一模英語試題匯編:閱讀理解_第3頁
天津市南開區(qū)2020-2022屆(三年)高三一模英語試題匯編:閱讀理解_第4頁
天津市南開區(qū)2020-2022屆(三年)高三一模英語試題匯編:閱讀理解_第5頁
已閱讀5頁,還剩21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)行舉報或認(rèn)領(lǐng)

文檔簡介

天津市南開區(qū)2020-2022屆(三年)高三一模英語試題分類匯編閱讀理解天津市南開區(qū)2022屆高三一模英語試卷第二部分:閱讀理解(共20小題;每小題2.5分,滿分50分)閱讀下列短文,從每題所給的A,B、C、D四個選項中,選出一個最佳選項。AOneoftheaspectsthatrequiresmoreresearchwhenplanningyourjourneytolearnEnglishintheUnitedStatesisyouraccommodationchoice.Afterall,thiswillbetheplacewhereyouwillrestafterschoolhoursandafterhavingfuninyourhostcity,aswellaswhereyouwillrelax,study,eat,shower...AndbesureofsomethingchoosingtherightaccommodationcanevenhelpyouimproveyourEnglishlanguageskills!TALKEnglishSchoolsoffersdifferentaccommodationoptionssoyoucanchoosethebestalternativeaccordingtoyourpersonalityandpreferences,thetimeyouplantospendstudyingintheUnitedStatesand,mostimportantly,theonethatbestfitsyourbudget.HomestayHomestayisoneofthemostpopularandeconomicoptionsforinternationalstudents.YouwilloccupyabedroominanAmericanfamilyhome,havingarealculturalexperienceandpracticingEnglishoutsidetheclassroom.FamiliesparticipatingintheTALKHomestayProgramareselected,fortheirconvenienceofaccessfromhometoschoolviapublictransportation.Inexchangeforyouraccommodationinasafeandcomfortableenvironment,youwillparticipateinfamilyactivities,contributetohousechores(家務(wù)活)andgetinvolvedwiththelocalcommunity.Differentmealplanoptionsareavailable.Itissucharichexperiencethatit'sverycommonforstudentstokeepagoodrelationshipwiththeirhostfamiliesevenafterreturningtotheirhomecountry.StudentResidenceGainingorsecuringyourindependenceandsharingyourexperienceswithotherstudentsofdifferentnationalitiesaresomeoftheadvantagesofstudentresidences.Theseaccommodationsareusuallyclosertoschools,eventuallywithinwalkingdistance,andyoucanshareyourroomwithoneortwopeople-sharingexpenseswillhelpyousaveformorefuntimesduringyourstay!Othergreatadvantagesofresidencesarecomfortandpracticality.Someofferfurnished(帶家具的)studioapartmentswithkitchen,TVandthepossibilityofenjoyingtheamenities(便利設(shè)施)ofcommonspacessuchaslaundry,pools,bikeracks.36.Whoisthepassagemainlyintendedfor?A.InternationalstudentsintheUSA.B.TALKEnglishSchools'staff.C.EnglishlearnersintheUSA.D.ForeignstudentswhowanttostudyatTALKEnglishSchools.37.Accordingtothepassage,whatistheprimaryfactorforthestudentstochooseaperfectaccommodation?A.Theirpersonalityandpreferences.B.Theirabilitytopay.C.ThelengthoftimeintheUSA.D.Conditionsofresidence.38.WhatcanwelearnfromPara.3andPara.4?A.Homestaystudentswillsharebedroomswithhostfamilies.B.Homestayfamilieswillprovidepick-upservice.C.Homestaystudentsmusttakepartindailyactivitiesofthehostfamily.D.HomestayischeaperthanStudentResidence.39.WhatfacilitiesarelikelytobeprovidedinStudentResidence?A.Akitchenandalaptop.B.Aswimmingpoolandawashingmachine.C.AbicycleandaTVset.D.Acupboardandasuitcase.40.Whichofthefollowingisthepassagetakenfrom?A.Atechnicalinstructionbook.B.Auniversitynewspaper.C.Aresidencycontract.D.Alanguageschoolwebsite.BYasmin,atwo-year-oldfromBodmin,Cornwall,theUK,wasplayingwithatoyinalocalparkonSundaywhenabirdgrabbeditaway.Herfather,MatthewBlanchard,saidthegull(鷗)“divedinandgrabbed”thedoll,namedBaby,whenYasmindroppeditwhilewalking.Thegulleventuallydroppedthetoyontheroofofanearbyschoolanditwasrescuedfromtherebysomeworkers.Mr.Blanchardsaid:“Yasminwashappilyplayingontheswingsandtakingherbabydowntheslide.Therewerelotsofseagullsinthepark,andshemanagedtodropthebabyasshewaswalkingupthehill.Theseagulltooktheopportunityanddivedinandgrabbedit.”Mr.BlanchardsaidYasminwas“crying”asothergullsjoinedin,fightingforthetoy.“Ithoughtonceitrealiseditwasn'tfooditwouldletitgo,butthenalltheotherseagullsthoughtithadsomefoodonit,sotheyalldive-bombedthebabydolly,”headded.Oneofthegullsgotholdofthedollandtookitupontotheroofofanearbyschool,whereiteventuallydroppedit.“Ihadtogetheroutoftheparkbecauseshewassoupset,”Mr.Blanchardsaid.“Iconvincedherthatsomebodywouldbeabletogetitdownforheranotherday,butIcouldn'tseeanywayofusgettingitback.”Mr.Blanchardsaidhisdaughterwassoupsetshetalkedaboutnothingelseoverthefollowingdays.ThefamilycontactedBodminTownCouncilwhosentaworkertogetthedollbackonTuesdayenablingareunionbetweenYasminandBabythatevening.“ItwasjustasmallgesturewhichmeantalottoYasmin.Shewasoverthemoonwhenshegotthatbabybackandshehasn'tletitgosince.”Mr.Blanchardsaid.MarieTonkin-Couch,thecouncilreceptionistwhodealtwiththerequest,said:“Thememberofstaffwasabitsurprisedwhenweaskedthemtogoandgetthedoll,butitwasaneasyrescueastheyjustneededtoclimbupaladder.”Ms.Tonkin-Couchsaidshehadnotheardofagullstealingsomeone'stoybefore.“Itwasnicetobeabletogetitbacktoherwhenyouhavekids,youknowhowprecioustoysaretothem.Itwasahappyending.”41.Yasmincriedoutbecause________.A.shesawlotsofseagullsaroundher B.babywastakenawaybyseagullsC.shedroppedhertoy D.someseagullsgrabbedherfood42.whatcanwelearnfromParagraph3?A.Mr.Blanchardfoughtagainsttheseagullsforthetoy.B.Theseagullsfinallygaveuponthedoll.C.Theseagullsdive-bombedYasminforfood.D.Therewassomefoodonthedoll.43.HowdidMr.Blanchcomforthisdaughter?A.Bytakinghertoschoolworkersforhelp.B.Bypromisinghertogetthetoyback.C.Byconvincingherthatthedollwouldcomebackonitsownanotherday.D.Byconstantlytalkingtoherabouttheincident.44.Theunderlinedpart“overthemoon”inPara.5probablymeans_______.A.onthejump B.outofhersensesCoverthetop D.inhighspirits45.WhatwastheresponseoftheschoolstafftotherequesttorescueBaby?A.Theythoughtitwasfunny. B.Theywereconfused.C.Theycouldhardlybelieveitatfirst. D.Theyfeltannoyed.CAworld-championbodybuilderhasnomoremusclesthandoesa90-poundpersonwhoisphysicallyweak.Sowhatmakeshimsostrong?Whatotherqualitiesdoesheneed?Musclesaremadeofthousandsofstringyfibers-anumberthatisfixedduringchildhood-whichcontract(收縮)whendoingworkStrengthdoesnotdependonthenumberoffibersbutonthefunctionoftheirthicknessandhowmanyofthemcontractatthesametime.Exerciseactuallydamagesthemuscles.Duringtherecoverystage,themusclefibersincreaseinsize.Exercisealsotrainsmoremusclefiberstoworkatonetime.Ifamuscleisweakoruntrained,forexample,only10percentofitsfiberswillcontract,whereasupto90percentofthefibersinaweightlifter'sbiceps(二頭肌)willcontract.Asidefromthestrength,twootherfactorsgointomakinganathlete:fitnessandendurance.Fitnessisrelatedtotheconditionoftheheart.Duringexercises,thereisanincreaseintheamountofbloodreturningtotheheartfromthemuscles.Atypicalvolumeforarunneratrestisabout5quartsaminute,comparedwith30quartsduringavigoroustrial(運(yùn)動測試).Thisgreatervolumemeansmoreworkfortheheart-amuscularballoonthatexpandsandcontractistotakeinbloodandpushitout.Likeanyothermuscle,theheartenlargesandgetsstrongerwithroutineexercise.Endurance,orthelengthoftimemusclescanwork,dependsinpartonhowmuchfuel-inthiscasesugar-themusclescanstore.Amusclethatiscontinuallyexerciseduntilitrunsoutofsugartendstostoremorewhenitrefuelsatthenextmeal.Andmoresugarcantranslateintogreaterendurancethenexttimethemuscleisputtothetest.46.Whatdeterminesthestrengthofaworld-championbodybuilder?A.Thethicknessoffibersandthenumberofthosecontractingcontemporarily.B.Thenumberoffibersandtheamountofexercisehedoesatthesametime.C.Thefunctionoffibersandtheirthickness.D.Thefunctionoffibersandtheirrecovery.47.Whateffectdoesexercisehaveonmusclefibersaccordingtothepassage?A.Ithelpsfibersmoreeasilytocontract.B.Itmakesfibersincreasequicklyinsize.C.Itmakesmorefibersweakoruntrained.D.Ithelpsmorefiberstoworkatonetime.48.Whatdoestheauthormeanbysaying“thisgreatervolumemeansmoreworkfortheheart”?A.Theheartbearsthetaskofmakingmorebloodduringavigoroustrial.B.Theheartneedstobearthefastheartbeatingduringavigoroustrial.C.Thehearttakesinmorebloodandpushesitoutduringavigoroustrial.D.Theheartenlargesandbecomesstrongerroutinelyduringavigoroustrial.49.Whatcouldbeinferredfromthelastparagraph?A.Themoresugarmusclesstore,thethickerthefibersinthembecome.B.Themoresugaramuscleconsumes,thelessittendstostorenexttime.C.Themoresugarthemusclesofanathletestore,thelongertimetheycanwork.D.Theamountofsugarinmuscleslargelydependsonwhentheyrefuelatthenestmeal.50.Whatcouldbethebesttitleforthepassage?A.StrongHeartandWorld-champion B.Strength,FitnessandEnduranceC.BodyBuildingandMuscles D.ResourcesofStrengthDMygeneration—peoplebornafter1990—areaccustomedto“all-in-platform”life,whereweusemobileappsofdifferentplatformstodoalmosteverythinginlife.Forinstance,IorderedacupofcoffeeonMondayusinganonlinedeliveryapp.Then,Icalledataxibytappingontheappofaride-bookingservice.Next,IboughtsomenecessitiesonshoppingplatformTaobao.Thatdone,Imovedontovariousotheronlinedestinationstogetmydailyfixofmusic,reading,socialnetworkingandsoforth.Platformsnowplayanincreasinglyimportantroleinalmostallaspectsofday-to-daylife,notjustineconomicandpoliticalprocesses.Consumptionandsocialinteractionarecloselylinkedtoplatformsnow.But,Ibegantogetconfusedrecently.IthoughtIwasbeingtreateddifferently.MyfriendandIcalledataxiatthesametimeonaride-hailingplatform(打車平臺)andfoundthatforthesamedestination,thepricesweredifferent.Thepriceindicatedonmyphonewashigher.OneofthepotentialreasonscouldhavebeenthatIregularlyusetheride-hailingplatformandhaveahigherrankingwhilemyfrienddoesn’tuseitthatoften.So,theride-hailingplatformoffersdiscountstonewbieslikeher,toattractandhavesuchcustomers.China’slatesteffortsinregulatingmonopolisticorimpropermarketbehaviorareofgreatsignificanceinprotectingconsumers’lawfulrights.“Theessenceofplatform-basedmonopoly(壟斷)isthatalargenumberofusersaregatheredononlyaselectfewplatformcompanies,leadingtounevendatagatheringdifferentplatforms.ButinChinasomeplatformsusetheirowndataandtraffic(流量)toexpandcapitalinadisorderlyway,”saidWangYong,deputydirectoroftheInstituteofEconomicsatTinghuaUniversity.Datamonopolyalsobroughtanotherinconvenienceforcomumers—platformsblocklinkstoeachother.Forinstance,linktoWeChatPayofTencentisnotavailableonAlibuba’sTaobaowhilethereisnoAlipaylinkonJDapp’spaymentoptions.Lastyear,MeituanwaschargedwithpreventingcustomersfromusingAlipayasapaymentoptiononMeituanappsandplatforms.InJuly,theMinistryofIndustryandInformationTechnologylaunchedasix-monthspecialrectification(專項治理)fortheinternetindustry,askingplatformoperatorstostopblockingeachother’slink.“MoreeffortsshouldalsobemadetostrikeagoodbalancebetweenpersonalinformationprotectionandinterconnectivitybetweenplatformsCompaniesarebeingencouragedtofurtherdevelopdataencryption(加密)technologysothatthedataareavailablebutnotvisible.”51.Whatistheauthor’spurposeinwritingPara.2?A.Tooffersometipsonusingappsonmobilephone.B.Tosharehisexperiencewithmobileapps.C.Tofurtherexplainwhatis“all-in-platform”life.D.Tohelpreadersfamiliarizethemselveswithmobileapps.52.WhatcouldbeinferredfromParagraph4?A.Theauthorencounteredsocalled“bigdatapricediscrimination”.B.Theauthorandhisfriendweretreateddifferentlybytaxidrivers.C.Duetotheauthor'shigherranking,theplatformofferedhimacheaperprice.D.Theride-hailingplatformoffersdiscountstoregularcustomers.53.Thepurposeoftheplatformsblockingeachother'slinksis________.A.togatherpersonalinformationB.toexpandcapitalC.toprotectconsumers'rightsDtousetheirdataandtrafficwisely54.Whatistheauthor'sattitudetowardsdatamonopoly?A.Sympathetic. B.Approving.C.Critical. D.Grateful.55.Whatdoesthepassagefocuson?A.Datamonopoliesandtheinconveniencetheybringtomobileapplife.B.Mobileappshavegreatlychangedourlives.C.Howtoprotectpersonalinformationonmobileapps.D.Platformshaveimpactedeveryaspectofourdailylives.天津市南開區(qū)2021屆高三一模英語試卷第二部分閱讀理解(共20小題;每小題2.5分,滿分50分)閱讀下列短文,從每題所給的A、B、C、D四個選項中,選出最佳選項。AAllstudentsareexpectedtoreadandlearntheSchoolRules.Theserulesaimtomakeeachstudentawareofthevalueofself-control,orderlinessandtheneedtodevelopasenseofresponsibilityfortheirownbehaviorandforthelargercommunityofwhichtheyareapart.DressRegulationsTheSchoolexpectsitsstudentstoweartheirfullschooluniformcorrectlyandwithpride.Itisourexpectationthatuniformandshoeswillbecleanandingoodrepair.Boys’hairshouldbecombedandofanacceptablelength(notoverthecollar,earsoreyes),withnoartificialcoloring.Girls’hairshouldbeofanaturalcolor.Shoulder-lengthhairmustbetiedback.Absence,IllnessandPunctualityAllstudentsmustbeatschoolontime.Iflate,thestudentmustsigninthelatebookintheGeneralOffice.Parentsareaskedtoinformtheschooliftheirchildisabsentby8:30amonthedayofabsence.AwrittennotefromaparentexplainingtheabsenceMUSTbeprovidedtotheGeneralOfficethedayafterreturn.ShouldastudentbeillduringschoolhoursheistogostraighttotheSchoolMedicalCenter.Thesisterwillthentakeappropriateaction.Safety◆Properbehaviorisexpectedwithinandaroundbuildingsandonthesportingfieldatalltimes.◆Studentsarenottoenterlaboratories,languagerooms,theTechnicsandmusicroomsuntilinvitedtodosobyteachers.◆TheridingofbicyclesorskateboardsisprohibitedalongthefrontdriveStudentsridingbicyclesmustwearanapprovedbicyclehelmet.◆Noknives,explosivesordangerousmaterialsmaybebroughtintotheschoolorboardinghouses.◆Studentsareforbiddentointerferewithfiresafetyequipment.Anautomaticfinewillbeimposedifthisoccurs.36.Thefollowingrequirementsarelistedexcept________.A.howtowearschooluniformintherightway.B.thelengthofgirls’hair.C.beingontimeD.thesafetyatschool.37.Whatshallastudentdoifheislate?A.Heshallaskhisparenttoinformtheschool.B.Heshallprovidehisparent’swrittennotefortheGeneralOffice.C.Heshallgostraighttothesister.D.HeshallleavehisnameintheGeneralOffice.38.Inwhichcasedoesastudenthavetopaymoneyasapunishment,accordingtotheSchoolRules?A.Whenheplayswiththefiresafetyequipment.B.Whenhebringsaknifetoaboardinghouse.C.Whenheridesabicyclewithoutabicyclehelmet.D.Whenhegoesintoalanguageroomwithoutpermission.39.Whatisthepurposeofthepassage?A.TopointouttheimportanceoftheSchoolRules.B.TointroducethedetailsoftheSchoolRules.C.TotellstudentstheresultsofbreakingtheSchoolRules.D.Tomakeeachstudentawareofthevalueofself-control,orderlinessandsoon.BAtage22,HikariObermanhasalreadybeenalifeguardforfouryears.Lastweek,ObermantalkedtoTheGardenIslandabouthowhehelpedsavelivesduringarecentrescue.OnDec.30,ObermanandhiscoworkerCopewereparkedintheirtruckatAniniBeachwhentwoworkersranuptothemandsaid,“Ithinksomeone’sgettingstuckinthechannel!”“Igrabbedourequipment.Westartedrollingoutdownthere,”O(jiān)bermansaid.Whenhegotoutthere,Obermanfoundastanduppaddler,amaninhislate30s,strugglingagainstthecurrent,withanelderlymanholdingtightlytothebackofthepaddleboard(沖浪板).Hesaid,“Mycoworkergrabbedthestandupguy.Meanwhile,I’mstuckwiththeolderman.”Normally,Obermansaidhewouldpullthepaddlerup,layhimonthesurfboard,climbupbehindandpaddlefromthere.Hetriedthattechniqueatfirstandquicklyrealizeditwasnotapracticableoption.Theyarenotgoinganywhere.Waveshitagainsttheextremelysharpreefveryhardabout30yardsbehindthemandthecurrentwaspullingthemintoit.“It’srightbehindus.IfIstoppaddling,we’redefinitelygoingtobeinthatzone.”Hesaid.Theystartedmakingprogresstowardthereef,wheretheymightsafelybeabletoclimbout.Obermanjustfocusedonforwardmovement.Afteraboutfiveminutes-“eventhoughitfeltlonger”-Obermansaidhispartnerhadgottenthepaddleboardersafelytoshoreandstartedcomingbackouttohelp.“Ilookback,andIseeourJetSki.He’sfinallycominginthechannel.We’renotgoingtohavetoworryaboutthatnow.”Itwasagoodrescue.Whenaskedwhatitfeelsliketosavesomeone’slife,Obermanresponded,“Iloveit!That’swhywedoit!”Butasexcitingasitmightbetoperformabigrescue,heexplainedthatthemostimportantpartofhisjobistokeeppeoplefromgettingintotroubleinthefirstplace.40.HowdidHikariObermanandhiscoworkerreacttothetwoworkers’cryforhelp?A.Theydraggedthetwoworkerstotheirtruck.B.Theyrolledtheequipmenttothechannel.C.Theycalledforhelpimmediately.D.Theymadetheirwaytothechannelwithoutdelay.41.Whatdoestheunderlinedpart“Theyarenotgoinganywhere.”inParagraph6probablymean?A.Theyareunwillingtogoanywhere.B.Theyarewaitingothersforhelp.C.Theyarebeingpulledbythecurrent.D.Theyaregoingtogiveup.42.Whatdidtheauthorwanttoshowbymentioningthewaves?A.Itwastheperfecttimetosurf.B.Thereefsweresohardtodamage.C.Thesituationwasextremelyserious.D.Thepaddlerswerepushedforward.43.Whichofthefollowingthingscontributedmoretotherescue?A.TheJetSki. B.Thecurrent. C.Thepaddleboard. D.Thetruck.44.Whatistheauthor’sattitudetowardshisjob?A.Skeptical. B.Tolerate. C.Approving. D.Frightened.CAtalargeforestparkineasternBeijing11birdsonthestate-levelprotectionlistwererecentlyreleased.ThesebirdshadrecoveredaftertheBeijingWildlifeRescueandRehabilitationCenterrescuedandtookcareofthem.“Wewillspeedupoureffortstopushtheestablishmentofdistrict-levelwildliferescuecenterstojointlyguardthehealthofwildlife,”saidDuLianhai,directorofthecenter.Thecenterwassetupin2001andbuiltawildliferescuebaseinthecapital’sShunyiDistrictin2005.Staffatthebasehaverescuedandrehabilitatedover30,000wildanimalsintotal.WildlifeprotectionhasbeenstrengthenedinBeijinginrecentyears.OnJune1,thecity’snewlyadoptedregulationonwildlifeprotectiontookeffect,introducingstricterandmoreconcretemeasurestoprotecttheenvironmentandwildlife.Forexample,theregulationstatesclearlythatBeijingbanshuntingthroughouttheyear,comparedwiththepreviousregulationwhichbanshuntingduringtheperiodsofMarchtoMayandSeptembertoNovembereachyear.Thenewregulationalsogivessevererpunishmentforpoachers.Afteryearsofmonitoring,datawiththeBeijingGardeningandGreeningBureaurecentlyshowedecologicalreconstructionprogress.ThespeciesandquantityofwildanimalsinBeijingarecontinuouslyincreasing,withthenumberofterrestrialspinalwildanimals(陸地脊椎野生動物)growingfrom461speciesin1994tomorethan500.ThehabitatoftheendangeredbirdhasexpandedfromFangshanDistricttothewholecity,accordingtothebureau.“TheenforcementofthenewregulationmarkedanewphaseinBeijing’swildlifeprotectionwork,”saidDaiMingchao,deputydirectoroftheBeijingGardeningandGreeningBureau.“Wewillstepupthepublicityoftheregulationandraisecitizens’awarenessofwildlifeprotection,”Daisaid.“Inourintegratedprotectionofmountains,rivers,forests,farmlands,lakesandgrasslands,wetakeintofullconsiderationtherequirementsoffood-chainconstruction,ecologicalcorridorconstruction,andwildlifeandtheirhabitatprotection.”45.InwritingParagraph1,theauthoraimsto________.A.introducethetopic. B.presentanargument. C.reachaconclusion. D.describeaplace.46.Whathavestaffatthewildliferescuebasedone?A.Theyhavespeduptheireffortstorecoverthebirds.B.Theyhaveguardedpeople’shealthagainstdanger.C.Theyhavesavedwildanimalsfromadangeroussituation.D.Theyhavepushedtheestablishmentofdistrict-levelwildliferescuecenters.47.Whatdoestheunderlinedword“concrete”inParagraph4probablymean?A.Practical. B.Temporary. C.Effective. D.Specific.48.Whatdoweknowaboutthenewregulation?A.Itismainlytargetedatpoachers.B.ItisthefirstsuchregulationinBeijing.C.Ittakesmanyyearstocomeintobeing.D.ItprohibitspeoplefromhuntinginBeijingalltheyear.49.WhatcanwelearnfromParagraphs7and8?A.Beijingcitizensarestillnotfamiliarwiththenewregulation.B.Aftertakingthenewregulation,Beijingwillenteranewphase.C.Theyrarelygivefullconsiderationtotherequirementsoffood-chainconstruction.D.Theprotectionofmountains,rivers,forests,farmlands,lakesandgrasslandsarenotinthenewregulationyet.50.Whatcouldbethebesttitleforthepassage?A.HowtoprotectwildanimalsinBeijing.B.Beijingstepsupwildlifeprotectionwithnewregulation.C.Moredistrict-levelwildliferescuecentersestablishedinBeijing.D.WildlifeprotectionhasbeenstrengthenedinBeijing.DScientistsattheDepartmentofEnergy’sLawrenceBerkeleyNationalLaboratoryandtheCaliforniaInstituteofTechnologyhave-injusttwoyears-nearlydoubledthenumberofmaterialsknowntohavepotentialforuseinsolarfuels.Theydidsobydevelopingaprocessthatpromisestospeedthediscoveryofcommerciallyviable(商業(yè)可行性)generationofsolarfuelsthatcouldreplacecoal,oil,andotherfossilfuels.Solarfuels,adreamofclean-energyresearch,arecreatedusingonlysunlight,water,andcarbondioxide.Researchersareexploringarangeofpossibletargetfuels,butonepossibilityistoproducehydrogenbysplittingwater.Eachwatermolecule(分子)consistsofoneoxygenatomandtwohydrogenatoms.Thehydrogenatomsareextracted,andthencanbereunitedtocreatehighlyflammablehydrogengasorcombinedwithCO2tocreatehydrocarbonfuels,creatingaplentifulandrenewableenergysource.Theproblem,however,isthatwatermoleculesdonotsimplybreakdownwhensunlightshinesonthem-iftheydid,theoceanswouldnotcovermostoftheplanet.Theyneedalittlehelpfromasolar-poweredcatalyst(催化劑).Tocreatepracticalsolarfuels,scientistshavebeentryingtodeveloplow-costandefficientmaterialsthatperformthenecessarychemistryusingonlyvisiblelightasanenergysource.AnewmethodwasdevelopedthroughapartnershipbetweentheJointCenterforArtificialPhotosynthesis(JCAP)andBerkeleyLab’sMaterialsProject,usingresourcesattheMolecularFoundryandtheNationalEnergyResearchScientificComputingCenter(NERSCC).JCAPfocusedondevelopingacost-effectivemethodofturningsunlight,water,andcarbondioxideintofuel.ItisledbyCaltechwithBerkeleyLabasamajorpartner.TheMaterialsProjectisaprogrambasedatBerkeleyLabthataimstoremovetheguessworkfrommaterialsdesigninavarietyofapplications.“Whatisparticularlysignificantaboutthisstudy,whichcombinesexperimentandtheory,isthatinadditiontoidentifyingseveralnewcompoundsforsolarfuelapplications,wecanalsolearnsomethingnewaboutthebasicelectronicstructureofthematerialsthemselves.”saysNeaton,thedirectoroftheMolecularFoundry.51.Whatcanwelearnfromthefirsttwoparagraphsofthepassage?A.Somescientistspromisetospeedthediscoveryofcommerciallyviablegenerationofsolarfuels.B.Somescientistshavefoundtwiceasmuchsolarfuel.C.Somescientistsfoundnewmaterialsinsolarfuelsthatcouldreplacetraditionalfuels.D.Somescientistshaveusedtwotypesofsolarfuelinjusttwoyears.52.Accordingtothepassage,whatcanwedotocreateaplentifulandrenewableenergysource?A.Useonlysunlight,water,andcarbondioxide.B.Extracthydrogenatomsfromwatermolecule.C.Createhydrocarbonfuelsfromwatermolecule.D.Explorepossibletargetfuels.53.Asolar-poweredcatalystcanbeusedfor________.A.creatinganewenergysource.B.breakingdownwatermolecules.C.creatinghighlyflammablehydrogengas.D.reunitinghydrogenatomsextractedfromwatermolecule.54.Whatcanbeconcludedfromthelastparagraph?A.Thestudywillidentifysomesolarfuels.B.Scientistscanlearnaboutthebasicelectronicstructureofthenewcompounds.C.Thestudyinvolvesnewtheoryandrelativeexperiment.D.Themostimportanceofthestudyistofindsomesolarfuelapplications.55.Whatdoesthepassagefocuson?A.Newmaterialscouldturnwaterintothefuelofthefuture.B.Anewmethodwasdevelopedtocreatearenewablefuel.C.Aprogramthataimstosplitwaterandcreateaclean-energyresearch.D.Solarfuelsareadreamofclean-energy.天津市南開區(qū)2020屆高三一模英語試卷閱讀下列短文,從每題所給的A、B、C、D四個選項中,選出一個最佳選項。AFitnessCenterTimetableBodyPower:Thisclassusesweightsandaerobicmovements(aformofveryactivephysicalexercise)toincreasestrengthwhileburningfat.Itissuitableforalllevelsforfitness.Aerobics:Thisisalowtomiddlelevelofdifficultyaerobicclass.Itisgoodforbeginnertoaveragelevelsoffitness.BeginnerAerobics:Thisclasshasalowlevelofdifficultyandsimpleaerobicmovements.Itismainlyforpeoplewhohavenotexercisedbeforeorwhoarejustreturningafteralongbreakorinjury.BodyStretch(holdyourarmsorlegsoutstraightandtightenyourmuscles):Thisisarelaxationclasswhichstretchesallthemusclegroups.Itissuitableforalllevelsoffitness.Peoplewhoexerciseregularlyorhaveastressfullifestylewouldalsogreatlyimprovetheirhealthinthisclass.BodyBurn:

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