黃浦區(qū)2020學年度第一學期高三年級期終調研測試英語試卷（完卷時間：120分鐘滿分；140分）2020年12月第I卷（共100分）I.ListeningComprehensionSectionADirections:InSectionA,youwillheartenshortconversationsbetweentwospeakers.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Theconversationsandthequestionswillbespokenonlyonce.Afteryouhearaconversationandthequestionaboutit,readthefourpossibleanswersonyourpaper,anddecidewhichoneisthebestanswertothequestionyouhaveheard.I.A.Brotherandsister. B.Fatheranddaughter.C.Husbandandwife. D.Motherandson.2.A.Awaiter. B.Amanager. C.Asalesman. D.Abarber.3.A.Heenjoyseatingit. B.Hecareslittleforit.C.Heprefersfriedseafood. D.Hedoesn'twanttotasteit.4.A.Thegoodstherewereonsalelastweekend.B.It'sthewoman'sfavouriteshoppingmall.C.Itsoldout50%ofthegoodslastweekend.D.It'sthecheapestshoppingmallnearby.5.A.Thewomanisn'tsatisfiedwithherclothes,style.B.Thewomanismostprobablypregnant.C.Thewomandoesn'tlikethenewfamilymember.D.Thewomanistryingherbesttoloseweight.6.A.Itistheonlypropertyshehas.B.Herfatheraskedhernottosellit.C.Sheinheriteditfromhisfather.D.Shehasnowheretoliveaftersellingit.7.A.Callarepairmantocomeatonce.B.Checkthesinkinthekitchenfirst.C.Clearupthekitchenrightnow.D.Stopthewaterfromrunningimmediately.8. A.Shelostherpurse. B. Sheforgottobringcash.C.Shefailedtoattendtheconcert. D. Shewasunabletogetthestudentdiscount.9. A.Finishcheckingherreference. B. Completetheresearch.C.Putthematerialinorder. D. Starttypingthepaper.10.A.Thewomanenjoyedthemovieverymuch.B.Thewomandidn'tsleepwellbecauseofthemovie.C.Themanaskedthewomantobecarefulatnight.D.Themaninvitedthewomantogotothetheatretogether.SectionBDirections:InSectionB,youwillheartwoshortpassagesandonelongerconversation.Aftereachpassageorconversation,youwillbeaskedseveralquestions.Thepassagesandtheconversationwillbereadtwice,butthequestionswillbespokenonlyonce.Whenyouhearaquestion,readthefourpossibleanswersonyourpaperanddecidewhichonewouldbethebestanswertothequestionyouhaveheard.Questions11through13arebasedonthefollowingpassage.11.A.Shewroteseveralbooks. B.Shemanagedafarm.C.Shewasabusinesswoman. D.Sheworkedasanurse.12.A.101years. B.76years.C.25years. D.22years.13.A.Picturesinplainstyle. B.Asuccessfulartcollector.C.AgreatAmericanartist. D.Thesecretoflivinglonger.Questions14through16arebasedonthefollowingpassage.14.A.Toconcentrateforourquietthought.B.Togivefullattentiontothedriving.C.Toavoidbeingcaughtbythepolice.D.Tobeascasualaspossibleinthedriving.15.A.Tnanelevator. B.Ataspecialhall.C.Inabathroom. D.Ataconcert.16.A.Bylisteningcomprehensivelyandanalytically.B.Bytakingasonicbaththoroughly.C.Byattendingclassicalconcertsfrequently.D.Bylisteningtoanemotionalpieceofmusic.Questions17through20arebasedonthefollowingconversation.17.A.Inquiringaboutthedetailsofatradefair.B.Bookingroomsatahotel.C.Complainingaboutthehotelroomservice.D.Givingsuggestionsonreceivingguests.18.A.It'sabusyseasonforinternationaltourism.B.Therearen'tmanyhotelsavailableinthecity.C.Animportanteconomiceventwilloccur.D.Thereisabigconferencetobeheld.19.A.Forfivedaysaltogether.B.FromDec.11thtoDec.13th.C.FrommorningtonightonDec.15th.D.Awholedayonthefourthdayoftheirstay.20.A.Thewomanwantstoreserveroomseitheronthe1stor6thfloor.B.Thewomanhastopay1200dollarsforalltheroomsshehasbooked.C.Whethertheroomsareaccessiblebywheelchairwillaffectthewoman'schoice.D.TwelvepeoplearemostlikelytoattendtheconferencetobeheldonDec.13th.II.GrammarandVocabularySectionADirections:Afterreadingthepassagebelow,fillintheblankstomakethepassagescoherentandgrammaticallycorrect.Fortheblankswithagivenword,fillineachblankwiththeproperformofthegivenword;fortheotherblanks,useonewordthatbestfitseachblank.ConsidertheMechanicalPencilIfyouusedtocollectsmallobjects.I'msure(ifyouwereanythinglikemyyoungerself)thatyouusedtocollectmechanicalpencils.InoneofthemathpreparatoryclassesI(21)________(go)toinelementaryandmiddleschool,weusedtoreceivemechanicalpencilsasprizesfordoingwellonthein-classexamsoransweringquestionsinclass.Thiswas(22)________IbuiltupmycollectionofCadoozles,whichareshortmechanicalpencilsdecoratedwithbrightlycoloredspaceshipsandicecreambars.ButI'velongsinceusedupallmyCadoozlesandamajorityofthemechanicalpencilsthatI(23)________(hide)inanemptymoon-caketinsomanyyearsbefore,whichmakesmereflectfondlybackonthoseolddays,whenreceivingamechanicalpencilwasaseasyasdrinkingaglassofwater.MechanicalpencilsarenotonlymoreconvenientthanyourtraditionalTiconderogainthesensethattheyneverneed(24)________(sharpen);theyalsoproducethinner,cleanerlines,whichisextremelyimportantfordrawersanddrafters.Furthermore,theyareenvironmentallyfriendly,sinceyoudon'thavetobuy(25)________woodenpencilwheneveryourunoutoflead（鉛芯）.Youcansimplyrefillyourmechanicalpencil.ThereisonlyoneslightnegativeImustremarkon,(26)________isthatassomeonewhocallsmechanicalpencils"leadpencil"incasualconversation,theterm"leadpencil"isconfusing.Mechanicalpencilleadisactuallynotmadefromthechemicalelementlead.Itismadefromamixtureofgraphiteandclay,which(27)________notgiveyouleadpoisoning.Thisiscontrarytowhatmythird-gradeteachersaidwhenshesawmyclassmateJohnclickinghismechanicalpencilagainsthisindexfingeroutofboredom:"John,stopthat!You'regoingtogetleadpoisoning!"Ithinkallthethird-graders(andteachers)intheworldwouldfeelmuch(28)________(safe)iftheyknewwhatreallymadeupthepencilstheyuseeveryday.ItusedtobesoeasytograbamechanicalpencilwheneverIneededone,but(29)________________themoon-caketinhasbecomeincreasinglylighter,Ihavelearnedtoappreciatemywritinginstrumentsmore.PerhapsIshouldhavecollectedafewmoreCadoozleswhenIwasyounger;perhapsIshouldhaveappreciatedthefeelingofholdingupthemoon-caketinwhenitwasthree-quartersfull,hopingthatthreewouldalwaysbeanewpencilforme(30)________(use)tomorrow.SectionBDirections:Fillineachblankwithaproperwordchosenfromthebox.Eachwordcanonlybeusedonce.Notethatthereisonewordmorethanyouneed.A.threatenedB.designedC.preferencesD.typicallyE.experimentalF.theoreticalG.abandonedH.instrumentsI.constantlyJ.extensiveK.persuasiveScienceIsn'tAlwaysPerfect--ButWeShouldStillTrustItFromenvironmentpollutiontoclimatechange,wemakedecisionseverydaythatinvolveusinscientificclaims.Aregeneticallymodifiedcropssafetoeat?Isclimatechangeanemergency?Inrecentyears,manyoftheseissueshavebecomepoliticallypolarized,withpeoplerejectingscientificevidencethatisoppositetheirpolitical__31__.WhenGretaThunberg,theyouthfulclimateactivist,wasaskedbyonememberwhyweshouldtrustthescience,shereplied,"becauseit'sscience!"Forseveraldecades,therehasbeena(n)__32__andorganizedcampaignintendedtoproducedistrustinscience,fundedbyregulatedindustriesandlibertarianthink-tankswhoseinterestsandbeliefsare__33__bythefindingsofmodernscience.Inresponse,scientistshavetendedtostressthesuccessofscience.Afterall,scientistshavebeenrightaboutmostthings,fromthestructureoftheuniversetotherelativityoftimeandspace.Thatanswerisn'twrong,butformanypeopleit'snot__34__.Afterall,justbecausescientistsmorethan400yearsagowererightaboutthestructureofthesolarsystemdoesn'tprovethatadifferentgroupofscientistsarerightaboutadifferentissuetoday.Analternativeanswertothequestion--Whytrustscience?--isthatscientistsuse"thescientificmethod."Ifyou'vegotahighschoolsciencetextbooklyingaroundthehouse,you'llprobablyfindthatanswerinit.Butthisansweriswrong.Butwhatis__35__declaredtobethescientificmethod--developahypothesis（假設）,thendesignanexperimenttotestit--isn'twhatscientistsactuallydo.Historiansofsciencehaveshownthatscientistsusemanydifferentmethods,andthesemethodshavechangedwithtime.Science__36__changes:newmethodsgetinvented,oldonesget__37__,andanyparticularpointintimescientistscanbefounddoingmanydifferentthings.Andthat'sagoodthing,becausetheso-calledscientificmethoddoesn'twork.Falsetheoriescanproducetrueresults,soevenifanexperimentworks,itdoesn'tprovethetheorythatwas__38__totestitistrue.Therealsomightbemanydifferenttheoriesthatcouldproducethatsame__39__result.Onthecontrary,iftheexperimentfails,itdoesn'tprovethetheoryiswrong:itcouldbethattheexperimentwasbadlyconductedortherewasafaultinoneofthe__40__.III.ReadingComprehensionsSectionADirections:Foreachblankinthefollowingpassage,therearefourwordsorphrasesmarkedA,B,CandD.Fillineachblankwiththewordorphrasethatbestfitsthecontext.Travelling,atleasttravellinganyconsiderabledistance,meansdealingwithairports.I'veseenmyshareofairports.Theycomeinseveral__41__.ThesmallestIhavebeenthroughwasintheAfricantownofHoedspruitwherethemainwaitingareawassmallerthanmanyschoolclassrooms,securityandticketcheckingwereboth__42__byonepersonwhowasalsocontrollingthegateontotheairfieldandyouhadtowalkouttotheplaneandclimbthestairstogetin.ItwasevensmallerthanCanada'sMonctonairportwherethepersontakingtheticketswasalsooneofthetwo__43__onourflight.Attheotherextremearethe__44__,modernairportsintheworld'smajorcities.LAX,inLosAngeleshastwoparallelrunwaysandprovidestheunusualopportunitytowatchoutthewindowofyourlandingaircraftasanotheronelandsrightbesideyou.Some,suchasBeijing'sCapitalInternationalAirport,SeaTacinSeattleandtheInternationalAirportinSanFrancisco,likethoseinHongKongandShanghai,have__45__terminalsconnectedbydifferentbusesorundergroundtrains.Findingaconnectingflightoftenmeanschangingterminals,whichcanbealittle__46__.HeathrowairportinLondon,England,__47__thatbiggerisnotalwaysbetter.Heathrowconsistsofterminalsusedbyvarious__48__andiscenteredaroundanareathatcontainsstoresandrestaurants.AtHeathrowthetiredtravellergetsthe__49__thattheywantyoutospendyourtimeinthestoresbecausetheywon'tannouncethegatefromwhichyourflightwillleaveuntilaboutanhourbeforeflighttime.Giventhattheystarttogetpeopleontotheplaneshalfanhourbeforetakeoffthatleavesjust30minutestofindand__50__yourgate,someofwhicharea15-minutewalkfromthestorearea.Thereisabsolutelyno__51__forthisbecausetheairportauthoritiesknowevenbeforethedaybeginshowmanyflightsarearrivinganddepartingandwheretheyplantoputthem.IfIhavejustcomeoffonelongflightandI'mwaitingforanother,whatIwantisaquietplace,notanarea__52__brightlightsandnoisyshoppers.Travel,forme,isinterestingbutwhenIhavetofly,gettingthereis__53__nothalfthefun.Airplanesareveryefficientwaytomovepeoplelongdistancesandairportsarea(n)__54__partoftheprocess.Mostairportdotheirbesttoprovideagoodtravellingexperiencebuttheyaretobe__55__,notreallyenjoyed.41.A.typesB.citiesC.areasD.sizes42.A.identifiedB.handledC.promotedD.processed43.A.guardsB.astronautsC.pilotsD.passengers44.A.tremendousB.crowdedC.internationalD.fashionable45.A.flexibleB.multipleC.availableD.irregular46.A.excitingB.astonishingC.confusingD.encouraging47.A.regulatesB.emphasizesC.encountersD.demonstrates48.A.functionsB.departmentsC.airlinesD.authorities49.A.recreationB.presentationC.announcementD.impression50.A.lookforB.gettoC.meetatD.checkout51.A.exceptionB.doubtC.apologyD.excuse52.A.filledwithB.dominatedbyC.decoratedwithD.recognizedby53.A.increasinglyB.permanentlyC.attentivelyD.definitely54.A.effectiveB.optionalC.necessaryD.suitable55.A.simplifiedB.enduredC.declaredD.paralleledSectionBDirections:Readthefollowingtwopassage.Eachpassageisfollowedbyseveralquestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA,B,CandD.Choosetheonethatfitsbestaccordingtotheinformationgiveninthepassageyouhavejustread.(A)Sometimeswhenshefeltbored,shewouldpickuponeofthenumerousbiographies（傳記）aboutherselfandbegintonotein."Ineverdidthat"or"simplynottrue"shewouldwriteroughlyinthemarginsatthesidesofpages.Sincejournalists,biographersandmorerecentlyeven"bloggers"hadbeenwritingabouthersincethedayshewasborn,therewasplentyofmaterialtoedit.Notthathernotesorcorrectionswereeversharedwiththeauthors.Lately,however,sheevenseemedtohavelostherappetiteforcorrectness.Diditmatteranymoreifthingswerenotright?Sheknewthatsittingalonechewingawayondownbeatthoughtswouldnotgetheranywhereandwouldleavethosearoundherconfusedandupset,shouldtheyevercatchherout.Afterallshewasthedecisiveone,alwaysontopofhergame.Aprintedtimetableforthefollowingdaylayonthetable.Afulldayofopeningsandpresentations,ofsmilingandnoddingandflowers.Shakingherselfoutofhergraymood,shesteppedovertowardsthecomputerwhereasuddenburstofenergygaveheranidea.ThescreenflashedupinfrontofherbutinsteadofclickingonthefamiliariconswhichwouldleadhertotheemailsRandolphconsideredsheneededtoread,shesimplywenttovisitMr.Googleandbeganhersearchfortraintimetable.Adishheapedwithmulti-colouredjelliesandplentyoficecream,servedbyawhite-glovedtrainwaiterwithaperfectmoustache.Somanyyearshadpassedbutshestillrememberedthejellydissolvingonhertongueinsmallbutdeliciousmouthfuls.Eachspoonfulhadtobelifteddelicatelytohermouthunderthewatchedeyeofhergrandmother,whowasasticklerforgoodmanners.Itwasunlikelythattheyservedjellyonthetrainsthesedays,whatwithalltheconcernaboutchildhoodfatness,butevenaSpartanmenucouldnotkilltheromanceofatrainjourney.AsthetimetableforLine-burstlineflashedinfrontofher,sherememberedthattheMayorofAlwoywouldbeexpectinghertomakeashort,predictablespeechattheopeningofthenowbridge.56.Whichofthefollowingcanbeinferredfromthepassage?A.Themaincharacterisprobablyajournalistwritingblogsaboutroyalmembers.B.Themaincharacterisalwaysbusyeditingplentyofmaterialaboutherself.C.Theauthorsprobablyhadchancestogetthenotesorcorrectnessfromthemaincharacter.D.Randolphisprobablyanassistantorasecretarytothemaincharacter.57.Whydoesthemaincharacterrecallthetimesheatejelliesandicecream?A.Shewishesthatshewerestillachildsothatshecouldeatjelliesandicecream.B.Sheisremindedofthesefoodsbecausethethoughtofatrainjourneyremindsherofthem.C.ShewishesshestillknewwherethehandsometrainwaiterwasD.Today'schildrenaren'tallowedtoeatthesamethingsthatsheateasachild.58.A"Spartenmenu"(paragraph4)wouldmostlikely________________________.a.havemainlylowfat,healthyfoodsB.besuitableforaromanticdinnerC.includearangeofsweets,butnojellyD.includefoodswhichareeasytotransport59.Whatismostlikelytohappennextinthispassage?A.ThemaincharacterwillpractiseherspeechforgreetingtheMayorofAlwoy.B.Themaincharacterwilldecidetotakearailjourney.C.Randolphwillsendsomeemailstothemaincharacter.D.Themaincharacterwillupdateherblogontheinternet.(B)Canalshavetobebuiltonalevel,otherwisethewaterdrainsoutofthemandthecanalbecomesuseless.Thiswasthegreatproblemfacingtheearlycanalbuilders,andtheyovercameitindifferentways.TheearlyengineerslikeJamesBrindleysimplyfollowedtheoutlinesofthecountrysideandkepttheircanalslevelthoughitoftenmeantchoosingveryroundaboutroutes.Laterengineers,suchasThomasTelford,developedanewtechniqueknownas'cutandfill'inwhichtheyfixedalevelthroughveryaccuratesurveying.Thisallowedthemtofillinthehollowsonaroutewiththeexactamountofsoiltheytookfromthehigherground.Bythismethod,verydirectroutescouldbetaken,whichcutdownthetimeofajourneyveryconsiderably.AgoodexampleofthistypeofcanalisTelford'sLiverpoolandBirminghamJunctionCanal,whichhebeganin1826toprovideadirectroutefromtheMidlandstotheRiverMersey.Itwasseldompossibletobuildacompletelylevelcanal,ofcourse,whichevermethodwasused,andmostcanalswereprovidedwithlocksinwhichbargeswereraisedorloweredtonewlevels.Ifyoulookatthediagramontheright,youcanseeabargebeingraisedinalockbymeansofwaterwhichwasallowedintothelockbasin,orpound,fromtheupperlevelofthecanal.Whenabargehadtobelowered,waterwasallowedoutofthepoundintothelowerlevelofthecanal.60.Brindley'scanalswerelessefficient,mostlikelybecause________.A.hewasnotagoodcanalengineerB.thetechniquesandskillsavailableatthetimewereuselessC.hiscanalswerebuilttokeepthewaterdrainsoutD.theyhadtoomanyroundaboutroutes61.Accordingtothispassage,whywasthe'cutandfill'techniquedesigned?A.Theoutlinesofthelandcouldnotbefolloweddirectly.B.Itcouldmaketravellingdistancesshorterandsavejourneytime.C.Newsurveyingtechniqueshadbeeninventedsuccessfully.D.ThedistancebetweentheMidlandsandRiverMerseyisgreat.62.Locksareneededincanalsto________________.A.helpboatstotravelinbothdirectionsB.keepwaterlevelschangingallthetimeC.allowlargeshipstotravelincanalsD.transferboatsacrossdifferingwaterlevels(C)Intheancientworld,thepracticeofmedicinewasinescapablylinkedtosupernaturalbeliefandmagic.ThatwasuntiltheGreeksmadeadvancesinthefieldandbrilliantfiguressuchasHippocrateslaidthefoundationsforourmedicinetoday.Recognizedasthefatherofmodernmedicine,Hippocratesrealisedwhatseemsobvioustoustoday--thattheobservationandnotingofsymptomsisprimary.HetravelledacrossGreeceteachingmedicine,encouragingtheviewthatdiseasehadphysical,notsuper-natural,explanations.MedicalstudentsstilltaketheHippocraticOath,aformalpromisemadebynewdoctorsthattheywillfollowthestandardssetbytheirprofessionandtrytopreservelife,swearingtousetheirskillstohealanddonoharm.OneofHippocrates'theorieswasofthe'fourhumours',abeliefthatdiseasewascausedbyanimbalanceofthefourliquidssupposedlycontainedinthehumanbody--blood,phlegm,andblackandyellowbile(aliquidproducedbyyourorganwhichhelpsyoutodigestfat).Blood-lettingwasacommonresponsetoillnessandwasuseduntilonly150yearsagointhemistakenbeliefthatitwouldrestorethebody'sinternalbalance.ButwhiletheGreeksmayhavebeenwrongaboutthebleedingandthebile,theywerestillthefirstcivilizationtounderstandthatdiseasescouldbetreatedbyusingcarefullyobservationandlogicalthought.Aristotle,politicaltheorist,philosopherandteacher,alsostudiedthenaturalworldfromascientificpointofview.Hewasthefirsttoclassifyorganisms,andalthoughhismethodmayseemsimplenow,hedividedthemintotwobasiccategories,aseitherplantoranimal--hewasthefirsttodoso.Aristotlevaluedexperimentationarediscoveredthatevaporation,theprocessofbecomingavapour,turnedsaltwaterintofreshwater.Hewasalsobelieverinthetheorythatallmatteriscomposedoffourelements--fire,earth,waterandair.Hippocratesbelievedthefourhumours,relatedtothefourliquidsinthebody,wereeachinlinewithorgan,aseasonandwithdifferentmoods.ThefourwerebasedontheGreeks'ideaoffourbaseelements(water,fire,earth).Althoughdiscreditednow,thehumoursformedthebasisofwesternmedicineuntilthecentury.Theywere:-Bloodfromtheliver;associatedwithSpring;withcourageandhope-Phlegmfrombrainandlungs;Winter;calmandunemotional-Yellowbilefromgallbladder（膽囊）:Summer;angerandbadtemper-Blackbilefromspleen（脾臟）:Autumn;withblueanddarkmood63.WhichofthefollowingisNOTTRUEaccordingtothepassage?A.ItwastheGreeksthatmadeadvancesinthefieldofpracticeofmedicineintheancientworld.B.TheHippocraticOathisaformalpromisemadebynewdoctorstosweartheirresponsibilities.C.Hippocratesthoughtdiseasewascausedbyimbalanceofthefourliquidscontainedinthehumanbody.D.Hippocrateswasthefirsttobelievediseasescouldbetreatedbycarefulobservationandlogicalthought.64.Thepracticeofblood-lettingwasbasedonthebeliefthat________A.thebloodwaspollutedbyvirusesB.thehumanbodywasnotevenlybalancedC.thepatientwasinabadhumourD.toomuchbloodwasbadforpeople65.HowdidAristotlefindoutthatsaltwatercanbeturnedintofreshwater?A.Hestudiedmanybooksfromascientificpointofview.B.Hedrewtheconclusionaccordingtothetwobasiccategories.C.Hemadethediscoverybasedonconductingexperimentshimself.D.Hebelievedthatallmatterconsistsoffourbaseelements.66.WhyisHippocratesconsideredthefounderofmodernmedicine?A.Heprovedthattherearefourbaseelementsinallmatterintheworld.B.Heshowedtheprocedureofhowthefourbodilyliquidsaffectedmoods.C.Hemadethediscoverybasedonconductingexperimentshimself.D.Hebelievedthatallmatterconsistsoffourbaseelements.SectionCDirections:Readthepassagecarefully.Fillineachblankwithapropersentencegiveninthebox.Eachsentencecanbeusedonlyonce.Notethattherearetwomoresentencesthanyouneed.A.Currentevidencesuggeststhatmanyofthesebenefitscontinueintoadulthood.B.Toincreasephysicalactivityforadolescents,theauthorsneedtoidentifythemanycausesandinequities.C.Theauthorssaythatlevelsofinsufficientphysicalactivityinadolescentscontinuetobeextremelyhigh.D.Toimprovelevelsofphysicalactivityamongadolescents,thestudyprovidessomerecommendationasfollows.E.Theauthorsnotethatadolescents'participationinphysicalactivitywillcontinueintoadulthood.F.Thestudyhighlightsthatyoungpeoplehavetherighttoplayandshouldbeprovidedwiththeopportunitiestorealizetheirrighttophysicalandmentalhealthandwell-being.AdolescentsWorldwideNotSufficientlyPhysicallyActiveNewWHO-ledstudysaysmajorityofadolescentsworldwidearenotsufficientlyphysicallyactive,puttingtheircurrentandfuturehealthatrisk.________67________"Urgentpolicyactiontoincreasephysicalactivityisneedednow,particularlytopromoteandkeepupgirls'participationinphysicalactivity,"saysstudyauthorDrReginaGut-hold,WHO.Thehealthbenefitsofaphysicallyactivelifestyleduringadolescenceincludeimprovedheartandlungsfitness,bonehealthandpositiveeffectsonweight.Thereisalsogrowingevidencethatphysicalactivityhasapositiveimpactoncognitivedevelopmentandsocializing.________68________.Toachievethesebenefits,theWHOrecommendsforadolescentstodomoderateorvigorousphysicalactivityforanhourormoreeachday.Theauthorsestimated80percentofteemsdonotmeetthisrecommendationbyanalysingdatacollectedthroughschool-basedsurveysonphysicalactivitylevels.________69________Urgentscalingupisneededofknowneffectivepoliciesandprogrammestoincreasephysicalactivityinadolescents.Multisectoralactionisneededtoofferopportunitiesforyoungpeopletobeactive,involvingeducation,urbanplanning,roadsafetyandothers.Thehighestlevelsofsociety,includingnational,cityandlocalleaders,shouldpromotetheimportanceofphysicalactivityforthehealthandwell-beingofallpeople,includingadolescents.________70________Strongpoliticalwillandactioncanaddressthefactthatfourineveryfiveadolescentsdonotexperiencetheenjoymentandsocial,physical,andmentalhealthbenefitsofregularphysicalactivity.Policymakersandstakeholders