第03輯開學(xué)考試 專題03 閱讀理解七選五20篇 （學(xué)生版） 2025屆新高三英語提分培優(yōu)通關(guān)練（高考真題+名校模擬）

2025屆新高三英語提分培優(yōu)通關(guān)練（高考真題+名校模擬）第03輯（開學(xué)考試專輯）專題03閱讀理解七選五20篇原卷版（24-25高三上·廣東·開學(xué)考試）ThePathofDiligence(勤奮)Undoubtedly,diligenceisoneofthekeyfactorsinachievingsuccess.Whilestudentsareoftenencouragedtoworkhardattheiracademics,theymaylacktherightmethodsandapositivemindset.1.SetcleargoalsTosucceedacademically,it’scrucialtosetcleargoals.2.Cleargoalsstimulatemotivation,enablingyoutoorganizeyourtimemoreeffectively.Moreover,settingshort-termandlong-termgoalsprovidesaclearsenseofdirectioninyouracademicjourney.Createplansandschedules3.Breaktasksintomanageablesteps,establishachievabledailyplans,ensureadequateresttime,andavoidoverexertion(用力過度).Properlyplanningyourtimetobalancestudyandrelaxationcontributestolearningefficiency.Fosterself-disciplineLearningtocontrolyourselfandmaintainingdisciplinearekeystocultivatingdiligence.Establishingregularsleeppatterns,minimizingirrelevantsocialactivities,andconcentratingonacademictasksareessentialcomponentsofself-discipline.Consistentlypracticingthesehabitsallowsyoutoeffectivelytackleacademicchallenges.4Challengesareunavoidableduringthelearningprocess.Diligentstudentsseekassistancefromteachers,peers,orprofessionaltutorswhenneeded.Additionally,acceptingfeedback(反饋)andcontinuouslyrefiningyourstudymethodsandskillsarecrucial.MaintainapositivemindsetMaintainingapositivemindsetiscrucialwhenfacingdifficultiesandchallenges.Believeinyourabilities,viewproblemsasopportunities,andapproachacademicchallengeswithoptimism.5.A.SeekhelpandfeedbackB.LookforhelpandlendahandC.ItcouldbeagoalyoudesiretoachieveoryourfriendsuggestsD.HerearesuggestionstohelpyoubuildhabitsandsucceedacademicallyE.Tomaintaindiligence,creatingreasonablestudyplansandschedulesisvitalF.Thesecouldbeweeklystudygoals,semester-endtargets,orlong-termacademicgoalsG.Apositivemindsetreducesacademicstressandboostsconfidenceinovercomingdifficulties（24-25高三上·山西·開學(xué)考試）WaystoMakeStudyingMoreFunThe“S”worddrawsvariousresponsesfromteenagers.Somestudentsareeagertodiveinandtacklethebooks.6Regardlessofyourattitudetostudying,onethingisforsure—ithastobedone.Sowhynotlookathowyoucanmaketheprocessmoreenjoyable?·Tryhands-onlearning.Considergoingonafieldtriptoexperiencethetopicfirst-hand.Forexample,ifyou’restudyingmarinebiology,youcantakeatriptotheaquarium(水族館).7Ifit’smathyou’retryingtomakesenseof,talkwithastructuralengineerabouthowtheyfigureouttheloadofastructure.·8Gettingtogetherwithafriendoragroupofclassmatescanhelpyoulearnnewstudytechniqueswhilestillgettingafewlaughs.Tryhavingadebateaboutatopicyou’retryingtolearn.Withalargergroup,youcantesteachother’sknowledgebymakingquizzesandcreatingtrueorfalsemini-tests.·Breakitup.Planscheduledstudybreakseveryhourandtakepartinanactivityyouenjoy.9Beforeyoutakeabreak,writedownwhatyouhavelearnedduringyourstudytimeandaddtothislisteachtimeyoutakeabreak.·Leavethehouse.Studyatyourfavoritecoffeeshoporbookstore.Iftheweatherisnice,headtoaparkorthebeach.Ifyou’reamover,hitthepavementforarunandlistentoapodcast(播客)thatcoversthetopicyou’restudying,orgrabafriendandquizeachotherwhileyourun.10A.Assessstudyskills.B.Studywithapartner.C.Othershaveperfectedtheartofavoidance.D.Goforaquickwalk,talkwithafriendoreatasnack.E.Someofyourbestthoughtscomewhenyou’removingyourbody.F.Youcanspendseveralhoursstudyingandthenreviewyourprogress.G.Historystudentscangoandcheckoutoneoftheplacesmentionedinthebook.（24-25高三上·全國·開學(xué)考試）ThePowerofReadinginHighSchoolInhighschool,readingisnotjustaboutpassingexamsorfulfillingassignments.It’sagatewaytonewideas,cultures,andperspectives.Here’swhyreadingshouldbeacentralpartofyourhighschoolexperience.Firstly,11.Byreadingdiversetexts,studentscanbroadentheirhorizonsandunderstandthecomplexitiesoftheworld.Whetherit’sanovelsetinaforeigncountryoranessaydiscussingsocialissues,readingallowsstudentstogaininsightsintodifferentculturesandviewpoints.Secondly,readingimprovescriticalthinkingskills.12.Theylearntoanalyzearguments,evaluateevidence,andformtheirownopinions.Thisisessentialforsuccessinbothacademicandprofessionallife.Thirdly,readingcanenhancecreativity.13.Authorsoftenuseuniquelanguageandimagerytoconveytheirideas,whichcaninspirereaderstothinkcreativelyandcomeupwithnewideas.Moreover,readingisagreatwaytorelaxanddestress.14.Afteralongdayofclassesandhomework,pickingupagoodbookcanbeawelcomebreakfromthehustleandbustleofschoollife.Finally,readingcanbeasourceofinspiration.15.Theycanfindrolemodels,learnfromothers’experiences,andgainmotivationtopursuetheirowngoals.Reading,therefore,isnotjustaschoolsubject;it’salifelongskillthatcanopenupaworldofpossibilities.Makeitahabitandenjoythebenefitsitbrings.A.It’saformofescapefromthedailyroutine.B.Throughreading,studentsareexposedtonewknowledgeandideas.C.Readingencouragesstudentstoengagedeeplywiththetext.D.Studentscanfindstoriesandcharactersthatresonatewiththem.E.Booksoftenprovideawindowintothelivesofothers.F.Readingfiction,inparticular,canfosterimaginativethinking.G.Bychallengingtheirownbeliefsandassumptions,studentsdevelopamorenuancedunderstandingoftheworld.（24-25高三上·廣東·開學(xué)考試）Areyouconcernedabouttravellingbyplanewithyourdog?AnewairlinecalledBarkAirmightbethesolutionyouneed.Itisdesignedspecificallyfordogs,whichisinitiatedbyBark,abrandspecializingindogfoodandtoys.BarkAir,incooperationwithajetcharter(包機(jī))servicecompany,completeditsfirstflightonMay23,2024.TravellingfromNewYorktoLosAngeles,16,includingpassengersandcrew.OnthewebsiteofBarkAir,thecompanyemphasizesthattheairlineisfocusedonthecomfortandhappinessofthedogfirst,andhumansecond.Toensureenoughspaceforthedogs,17.Additionally,theaircraftwillfeaturecalmingaidsfortheseVIPs.Dogsarenowabletotravelonplaneswhilesittingwiththeirowners,thankstoBarkAir.Onboard,18,includingwaterandbonebroth.“Nodogshouldflyinacage,”thecompanysaidonitswebsite.Ofcourse,19.AccordingtoNationalPublicRadio(NPR),aflightbetweenNewYorkandLosAngelesforonehumanandonedogcosts$6,000,whilearegularone-wayflightfromNewYorktoLondonispricedat$8,000.“Ifthedemandisthere,20,andthat’swhatweaimtodo,”co-founderandCEOMattMeekertoldNPR.“Wewanttomakethisaffordableandaccessibleforasmanydogsaspossible.”A.thisjourneycomesatacostB.thedogscanenjoyavarietyofdrinksC.itwouldnotbooktheplanetofullcapacityD.theflightcarriedsixdogsandelevenpeopleE.theyevencanhavetheirtoysalongwiththemF.onehumanandtwodogsweighunder50poundsG.wehaveprettyclearwaysofbringingthosepricesdown（23-24高二上·江蘇南京·開學(xué)考試）Istherealinkbetweensocialmediaanddepression?21It’scomplicated.Sometimes,lookingthroughInstagramjustmakesyoufeelbad.Youtrynottoenvyyourfriends,buttheyalwaysseemtobetravelingsomewherecool,eatingsomethingfancy,orlookingcuteinperfectjust-rolled-out-of-bedhair.22Clearly,socialmediaisn’tallbad.23Thingslikecyberbullying(網(wǎng)上欺凌),screenaddiction,andbeingexposedtoendlessfilteredimages(美顏)thatmakeitimpossiblenottomakecomparisonsbetweenyourselfandothersoftenmakethenews.InJuly,abigstudycameoutinthejournalJAMAtitled“AssociationofScreenTimeandDepressioninAdolescence.”Thisbigheadlineseemstoconfirmwhatalotofpeoplehavebeensaying—24Thestudyfollowedover3,800adolescentsoverfouryearsaspartofadrugandalcoholpreventionprogram.Partofwhattheinvestigatorsmeasuredwastheteens’amountofscreentime,includingtimespentonsocialmedia,aswellastheirlevelsofdepressionsymptoms.25Thatwastruebothwhentheresearchescomparedbetweenpeopleandcomparedeachpersonagainsttheirownmentalhealthovertime.A.Screentimeishorribleforyoungpeople.B.Isthereanyoneinyourfamilywhousesstamps?C.Socialmediaisavaluablewaytocopewithstress.D.DoFacebookandInstagramhaveanegativeimpactonyourmentalhealth?E.Therearealsotimeswhenyoulaughatfunnymemesandcatchupwitholdfriends.F.Theyfoundthosewhousedsocialmediamorehadhigherdepressionscores.G.However,peopleareincreasinglysuspectingthepotentialproblemsofsocialmedia.（24-25高二上·云南昆明·開學(xué)考試）Youcanbeginlovinglifebylearningtoappreciateyourhealth.Keepingyourselffitwoulddowellenoughtomakeyoustayhealthytoenjoyyourlife.Itmayseemdifficult.26Therearemanywaysthatyoucankeepyoufit.Iffitwithouthavingtogothroughtheusualprocessofgoingtothegym.Thereareothereasywaystodoit.Walktobephysicallyactive.Walkingcanbeverybeneficialifyoutrytomakeahabitoutofitjustbychangingsomeofthethingsyouusuallydo.27Ifyes,whynotwalkitoutinsteadofusingyourcar?Rideyourbike.Ifyouwishtogoplacesthatcanbetoofartowalk,youcanuseyourbikeinsteadofyourcar.Thenyou’llenjoythebenefitsofphysicalexercise.28Jogtokeepyourselffit.Joggingisafairlyeasyandeffectivewaytoimproveyouraerobic(有氧的)fitness.29Joggingcanalsoofferotherbenefitsasidefromhelpingyoukeepfit.Bygoingoutdoors,youcanenjoyfreshairandthesurroundingscenery.30Takingthestairsinsteadoftheelevatorgivesyourbodyagoodworkout.Youcantrytoparkyourcaratthefarendoftheparkinglotandtrytowalktherestofthewayintoyouroffice.Whengoingouttolunch,youcantrywalkinginsteadofdrivingthere.A.Itmightbemuchbetterforyoutobeoutdoors.B.Lovinglifemeanstryingtotakecareofyourbody.C.Youdon’thavetobuyarunningmachinejusttodoso.D.Areyouplanningtogosomewherewithinashortdistance?E.Butdoingsoshouldnotbeashardasyoumightbelieve.F.Evenatwork,keepingfitcanalsobeincludedinthedailytasks.G.What’smore,youmayalsosavequitealotonfuelcosts.（24-25高二上·湖北襄陽·開學(xué)考試）Ihavecollectedsomeexamplesthatshouldbeaninspirationtoanyonewhodesirestobesuccessful.Theyshowthatifyouwanttosucceedyoushouldexpectfailurealongtheway.Iactuallybelievethatfailurecanencourageyouonandmakeyoutryevenharder.31TheTrulysuccessfulthingswon’tbebeaten,theytakeresponsibilityforfailure,learnfromitandstartalloverfromastrongerposition.WaltDisney—oneofthegreatestbusinessleaderswhocreatedtheglobalDisneyempireoffilmstudios,themeparksandconsumerproductsdidn’tstartoffsuccessful.32Believeitornot,WaltwasfiredfromanearlyjobattheKansasCityStarNewspaperbecausehewasnotcreativeenough!In1922hestartedhisfirstcompanycalledLaugh-O-Gram.TheKansasbasedonbusinesswouldproducecartoonsandshortadvertisingfilms.33Waltdidn’tgiveup,hepackedup,wenttoHollywoodandstartedTheWaltDisneyCompany.BillGates-co-founderandchairmanofMicrosoftsetupabusinesscalledTraf-O-Data.Thepartnershipbetweenhim,PaulAllenandPaulGilbertwasbasedonagoodideabutaflawedbusinessmodelthatleftthecompanywithfewcustomers.34However,BillGatesandPaulAllentookwhattheylearnedandavoidedthosemistakeswhentheycreatedtheMicrosoftempire.35Ihopethattheseareinspirationandmotivationforeveryonewhoaspirestobesuccessfulinwhateverwaytheychoose.Doyouagreeordisagreewithme?A.So,theonethingsuccessfulpeopleneverdois:Giveup!B.In1923,thebusinesswentbankrupt.C.Hewasgreatlydepressed.D.Everyexperienceoffailureincreasesthehungerforsuccess.E.Thecompanyranuplossesbetween1974and1980beforeitwasclosed.F.Manyfactorsmayaffectyoursuccess.G.Beforethegreatsuccesscameanumberoffailures.（23-24高二下·云南昭通·開學(xué)考試）WhyHumanTranslationIsBetterThanMachine?WillAIreplacehumantranslators?36.Inthefollowingsections,wewillexplorefourreasonswhyhumantranslationwillalwaysbebetterthanmachinetranslation.●MachinescannotexpressfeelingsandemotionslikehumansNowadays,softskillslikecommunicationandrelationshipbuildingaremoreimportantatworkthantechnicalskills.AIsystemsareindeedfast,sufficient,andaccurate.37.Infact,thesearetheveryskillsthatmakeushuman.Humanscangaininformationfromnon-verbalcues,whilemachinesjustcan’t.●38Onlyahumantranslatorcanmatchandreproducethestyleandtoneofthesourcedocumentaccurately.Withamachinetranslation,theintendedtoneandintricatenuancesoftheoriginaldocumentoftengetlost.Thisresultsinaratherflatandsoullessendresult.Translatingsometexts,suchaspoemsandargumentativeessays,ischallengingformachines.Robotsareunabletoconveythefeelingofthetext,resultinginaflattranslation.●Machinescan’tkeepupwithlanguagechangesMachinetranslationsoftwarehastobeconstantlyupdatedtokeepupwiththesechanges.Updatingtheseprogramsischallengingbecausetheyarebasedonasophisticatedalgorithmicsystem.Humantranslators,ontheotherhand,donothavetodealwithsuchdifficulties.Asweallknow,humansaremuchmoreadaptable.39.●Machinesdon’tunderstandcomplexhumanculturesWhenitcomestoculturaltranslations,somewordsmayhaveaspecificmeaninginoneculturebutacompletelydifferentmeaninginanother.Infact,insomeoccasions,evenhumantranslatorshavedifficultyachievingaperfecttranslation,letaloneamachinetranslator.There’snodenyingtheimportanceofmachinetranslation.Ithascomealongwayinrecentyears,40.Aprofessionalhuman-basedtranslationserviceisstillbyfarthebestoptionfortranslatinghigh-qualitycontent.A.Machinescan’tmatchstyleandtoneofahumanbeingB.Machinescan’tmatchtheintelligenceofahumanbeingC.butitstillhasalongwaytogoD.Ofcoursenot,thereisnoreplacementforhumantranslationE.However,theyarenotwise,emotional,orculturallysensitiveF.AtranslationcannotbecompletewithoutthehumantouchG.HencetheycankeepupwithlanguagechangesfasterthananyAIprogram（23-24高二下·遼寧本溪·期末）Travelingisbecomingmoreandmorepopulareveryyear.Itcanbepassiontosomanypeople.Oneofthereasonsbehindthisistheadvancedtransportationsystemthathumanshaveachieveduptonow.41Thereareevenpersonalitieswhohavetraveledtheentireworld.Everyonehastheirownreasonfortraveling.Somepeopletravelforabreakinlife.Attimes,ourdailylifegetsverydull.42Wegetboredofdoingthesamethingsinthesamewayagainandagaineveryday.Weneedabreathingspace,longingfornewadventuresinlife.Travelingopensnewdoorsofamusementinlife.Travelinghelpsinimprovingsocialandcommunicationskills.43Travelinginvolvesgettingconnectedwithrandomstrangers.Itcanbeatrueexercisetothepeopledealingwithsocialanxiety.Weevenenduplearningnewlanguagesfortraveling.44Travelingforcesustotakeabreakfromournormallifeandexplore.Itmakesusappreciatebeautiesintheworld.Itfillsuswithpositiveenergy.Peoplesufferingfromspiritualillnessfromstressoftenchoosethepathofexploringandtravelingtocurethemselves.Itcreatesunforgettableandendlessfondmemories,whichcomfortthemandhelpeasetheirstress.Travelinggetsusreallifeeducation.Peoplesaythatifyoucannotreadbooks,thenstarttravelingforknowledge.Whatwelearnfromtravelingdifferentplacescannotbetaughtinanyschool,collegeoruniversity.Welearnaboutdifferentcultures,differentsocieties,differenttypesofpeople,differentlanguages.Atleast,ifwearenotabletotravelabroad,wecantravelourcountry.45A.Travelingoffersanescapefromreality.B.Thisenablesustoknowitinabetterway.C.Wecannottravelwithoutinteractingwithanyone.D.Travelingcontributestomaintainingpeaceofmind.E.Itbecomesacycleofhavingmeals,sleepingandworking.F.Onecaneasilytravelfromoneplacetoanotherinlesstime.G.Peopleofdifferentcountrieshavedifferentideasoftraveling.（24-25高三上·湖南·開學(xué)考試）Tenyearsago,notmanyfamiliesintheUnitedStateswouldconsiderhomeschoolingaseriousoptionfortheirchildren.Therewerenegativefeelingsabouthomeschooling,especiallyamongschooleducators,whoconsidereditcrazyorirresponsible.Butthingshavechangednow.46Ashomeschoolingbecomesmorewidelypracticed,schoolcommunitiesarebecomingfarmoreacceptingandrecognizethatitcanmeetrealneeds.47Homeschoolingprovidescommunitylifethatisvaluabletochildren.Participatingincommunitylife,homeschooledchildrenrelatesociallywithawidevarietyofpeople.48Withoutsocialpressurefromage-separatedclassrooms,kidfeelmorecomfortableformingfriendships.49Weoftenhearparentsandkidstalkabouthowrelievedtheyfeelfrombeingfreedoftraditionalschoolingandnightlyhomework.Withindependentlearning,theyhavemoretimetotalkandlisten;moretimetospendinlibraries,museums,andconcerthalls;ortohike,ridebikes,read,orthink.Thesechangesarewhathappenswhenfamilylifeisdrivenbytheneedsoffamilies,ratherthantheneedsofinstitutions.Homeschoolingalsocreatesbetterlearningenvironmentsforchildrenwhohavebeenwronglyconsideredashavingallsortsofimaginary“l(fā)earningproblems”inpublicandprivateschools.Theeducatorswantthechildrentobefixedsothattheywillfit;theparentscorrectlysensethattheirchildrenarefineandonlyneedsomethingdifferent:morespace,freedomtomove,asafeenvironment,orrespectfultreatmentfromothers.50A.Homeschoolinghelpschildrentobroadentheirknowledge.B.Inhomeschoolingfamilies,lifeislikelytobelessstressful.C.Somepeoplechoosehomeschoolingforsocializationbenefits.D.Homeschoolingsuccessstoriesareoftenreportedinthemedia.E.Peoplecanseehoweasyitistogetalongwithhomeschooledkids.F.Forthesefamilies,homeschoolinghelpsachildbuildalifethatworks.G.Thecombinationoftwokindsofschoolinghasagreateffectonachild.（23-24高二下·山西晉城·開學(xué)考試）Whydon’tbirdsonawiregetashock??Nowhowisthatpossible?Thefactis,foralivingcreaturetogetashocktherehastobeasubstantialflowofcurrentsthroughthebody.51Firstly,thebirdnotonlyformsacircuitwiththewire,butitalsooffershighresistancetocurrents,socurrentspassthroughthewireinsteadofthebird.It’sabitlikethis,wouldyouprefergoingonasmoothroadoraroadfullofholes?Theanswerisobvious.52Allobjectsoffersomeamountofresistancetotheflowofcurrents,dependingonthematerial.53However,themostimportantreasonwhycurrentsdon’tpassthroughthebirdis,thereisbarelyanyvoltage(電壓)differenceacrossthebird.Currentflowisactuallyjustaflowofminutechargedparticles(粒子).Thesechargedparticlesneedanenergyinputinorderforthemtomove.Theamountofenergyneededtomovethechargesfromonepointtoanotherismeasuredintermsofthepotentialdifferencebetweenthetwopoints.Abirdsittingonhigh-tensionwireshasbothitsfeetplacedfirmlyonthesamewire.54Inorderforcurrentstoflowthroughthebird,theremustbeasizeabledifferenceinvoltageacrossthebody.Thepotentialdifferencebetweenthebird’stwofeetistinyandsoaverysmallcurrentflowsthroughthebirdwhichcanbarelyberegistered.55Ontheotherhandifitweretotouchthewireandsomeotherobjectconnectedtotheground,itwouldreceiveadeadlyshock.A.Currentstravellikewater.B.Therearedifferencesinbirds’shapes.C.Justlikeyou,thecurrentpreferstakingtheeasierpath.D.Thisisjustoneofthereasonswhybirdsdon’tgetashock.E.However,there’sbarelyanycurrentrunningthroughthebird’sbodyfortworeasons.F.Therefore,thenetpotentialdifferencefromoneendofthebirdtotheotherisalmostzero.G.Ifthebirdweretotouchthewireandanotherwireatthesametime,itwouldreceiveamildshock.（23-24高二下·浙江·開學(xué)考試）There’salong-standingargumentinscientificcirclesoverhowtoclassifyviruses.They’renotlifeless,becausetheymultiplyandhavegenes.Yetthey’renot“alive,”astheydon’thavecells,andcan’tsurviveontheirown.Virusesreproducebyhijacking(劫持)thehost’scells,eventuallycausingthemtoburstanddie.56Inordertoprotectourselvesfromthem,wehavetoknowsomebasicfactsaboutviruses.57Peopleoftenthinkofjustafewviruses—influenza,HIV,andnowcoronaviruses—buttheyarethemostplentifulmicrobes(微生物)ontheplanet.Thereareabout320,000typesthatinfectmammals,butjust219areknowntoinfecthumans.Youcangetsomevirusesmorethanonce.There’sapopularmyththatonceyou’vehadavirus,you’reimmuneto(對(duì)……免疫)it.58Whenyougetavirus,yourbodybuildsupantibodiestofightit.However,noteveryonemakesenoughantibodies,andtheycanwearoffovertime,whichiswhyyouneedboostershotsofsomevaccines.Youcanbecontagious(傳染性的)withoutevershowingsymptoms.Somevirusescanbespreadviapeoplewhoneverhadsignsoftheillnessorwhodon’thavesymptomsyet.Somepeoplemayevenbe“super-spreaders”.59Takeprecautionstopreventspreadingvirusesevenwhenyoudon’tfeelsick.Ifyou’reveryoverweight,youneedtobeextracautious.Obesepeoplearecontagiouswiththefluvirus42percentlongerthanthosewhoaren’tobese.Becauseobesityislinkedtomanyhealthproblems,itmayaffectyourimmunesystem.60A.Butthat’snotalwaysthecase.B.Therearemanymorevirusesthanyouthink.C.Lossoftasteorsmellisanearlywarningsign.D.Extraweightmaymaketheflushot(流感疫苗)lesseffectivetoo.E.Sleepasmuchaspossibletohelpyourbodytorecover.F.That’swhyvirusesthatinfecthumansnearlyalwayscauseillness.G.Theywillinfectdozenstohundredsofotherpeoplewithoutevenrealizingit.（23-24高三下·四川雅安·開學(xué)考試）EarthHourisanannualevent,askingyoutoswitchoffallyourlightsforonehourinpositivechangeforourplanet.ItisorganizedbytheWorldWideFundforNatureandit’sabigeventusuallyattheendofMarcheveryyear.61,whichmeansswitchingoffalllightseverywhereatthesametimeforonehour.EarthHourstartedinAustraliain2007,when2.2millionpeopleinSydneyturnedoffallunnecessarylightsforanhour.62,andmanycountriesaroundtheworldhavetakenpart.It’struethatswitchingoffthelightsforjustonehoursavesonlyalittlepower.63.JoininginEarthHourmakespeoplethinkabouttheproblemofclimatechangeandhowtoprotectnaturesothatpeoplecanenjoyhealthyandsustainablelives.Besides,manypeopleactingtogetherpushesgovernmentsandcompaniestoconsidergreenissueswhenmakingbigdecisions.64.Thenumber60isforthe60minutesofEarthHour,andtheplusinvitespeopletokeepontakingactionevenafterEarthHourisfinished.Infact,peoplejoininginEarthHoursaythattakingpartinitinspiresthemtodomorefortheenvironment.TheclimateactivistGretaThunbergsays,“EarthHouriseveryhourofeveryday.”WhyisitinMarch?AttheendofMarchinthenorthernandsouthernhemispheres(半球),thedaysandthenightsarealmostofthesamelength.65,soitisdarkintheeveningineachcountryfortheEarthHourswitch-off.A.ButthisisonlythebeginningB.ThelogoofEarthHouris“60+”C.Onthisevening,people“godark”D.TherearemanyeventspeoplecanjoininE.SincethenithasgrownintoaninternationaleventF.TheideaistoraisetheawarenessofenvironmentalissuesG.Atthistime,thesunsettimeissimilarinbothhemispheres（23-24高二下·湖南·開學(xué)考試）Onceconsideredanoptionallifestylechoice,recyclinghasbecomeacommonplaceactivityinmostareas.Onetypeofrecycling,calleddowncycling,involvesre-purposingamaterialintoanewproductoflesserquality.66Downcyclingismostcommonintermsofindustrialmaterials.Theseproductslosetheirvalueastheyarerecycled,whichlimitstheircapacityfornewuse.67Whitewritingpaper,forexample,isoftendowncycledintocardboard;oncedowncycledtothisnewform,itcannolongerbeusedaswhitepaperagain.Anotherexampleofdowncyclingincludestheuseofplasticcomponents.68Plastic,glass,andaluminiumproductscodedwiththenumberonemayberemadeintosomethingofequalorgreatervalue.Thistypeofrecyclingisknownasupcycling,andrepresentstheforwardcompatibilityofrecycledcomponents.Materialsavailablefordowncycling,suchaswater,juice,andmilkbottles,arecodedwiththenumbertwo.Theymaynotbeusedtocontainfood-gradeitemsagainuponbeingdowncycled.Itemsavailablefordowncyclingoftenrequireadditionalchemicals,energy,andothertreatmentsinordertotransformthemintosomethingusable.69Trashbins,tables,andchairsarealsoconsideredmaterialswithahighenergycosttorecycle.70Thisusuallyoccurswhenasubstanceisblendedwithothersubstances,suchasdifferenttypesofplasticwithvariousrecyclingcodes.Sincetheseproductscannolongerbemadeintonewones,theywilleitherhavetobereusedordiscarded,typicallyinalandfill.A.Theirrecycledformistypicallybothweakerandcheaperthantheiroriginalone.B.Whenaproductreachesacodeseven,itisconsiderednolongerrecyclableC.Durableplasticproductsinparticularrequiremuchadditionaltreatment.D.Givingproductsanewlifeisconsidereda