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2020—2021学年度高二下学期期末考试试题英语时间：100分钟满分：120分第一部分阅读理解（共两节，满分40分）第一节（共15小题：每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。AUnso

lvedMysteriesaboutthePlanetEarthMystery1:Wheredidwatercomefrom?Watercoversmorethan70percentoftheEarth’ssurfaceandt

hatmakestheEarthearnthenickname“theblueplanet”.Thenwheredidwatercomefrom?ThemostpopularscientifictheorystatesthattheH2Ocamefromseveralviolenta

steroids(小行星)coveredwithice.AnothersuggeststhatthewateractuallyhasbeenaroundsincetheEarth’sformation.Howeve

rithappened,though,it’scertainlyworkedoutwellfortheEarthlifeforms.Mystery2:Whataboutalltheoxygen?Anotherthingistheplanet’soxygen.Tinycreaturesrelease

doxygenasawasteproduct,fillingtheatmospherewithit.Afterthat,thelevelofoxygenintheEarth’satmospherewentwild

lyupanddownuntilitfinallycalmeddownaround540millionyearsago.Sincethen,it’sremainedataboutthebreathablelevelweknowtod

ay.Butwhatcausedittobesuddenlysteady?Mystery3:WhatcausedtheCambrian(寒武纪）Explosion?TheCambrianExplosionre

ferstotheexplosionofcomplexlifeformsthatoccurredonEarthabout540millionyearsago.Beforethen,lifehadconsistedm

ostlyofmicrobes.ButatthebeginningoftheCambrianperiodcomplexcreaturesbegandevelopingatarateneverseenb

efore.Suddenly,lifeformshadbrains,eyes,andbones.MostlivingcreaturestodaycantracetheirbloodbacktotheCambrianperiod.Mystery4:Willwebea

bletopredictearthquakes?Westillhaven’tbeenabletocomeupwithawaytoaccuratelypredictearthquakes.Wecancertai

nlytry,butourcurrenttechnologycannotpredictthemexactly.Weknowthatearthquakesstartwhentherockcracksundergroundandt

heenormousenergyreleasedintheprocesscausesvibration,whichgeneratesearthquakewaves,butwehaven’tfiguredoutwhythathappens,or

howtopredictit.1.WhatwascreatedbycreaturesonEarth?A.Water.B.Oxygen.C.Bacterium.D.Ice.2.WhichofthefollowingtalksabouttheEarth’sadvancedspecies?A.

Mystery1.B.Mystery2.C.Mystery3.D.Mystery4.3.WhatdoweknowaboutMystery4?A.Itisamatterthathasextremelypracticalsignificance.B.Itwillbesolvedint

henearfuture.C.Itisthemostdifficultmysterytosolveofthefour.D.Itistheoldestmysteryofthefour.BHaveyoueverheardaboutBlackFr

idayandCyberMonday?Surely,theyareallaboutfindingthebestdealsonholidaygiftsforyourselfandfamilymembers.AndhaveyouheardaboutGivingTue

sday?Hereissomethingaboutit!GivingTuesdayisobservedannuallyontheTuesdayafterThanksgiving,whichencouragespeopletohelpthoseinneedbyma

kingfinancialdonationsordoinggoodintheirlocalcommunity.The“GlobalDayofGiving”wasstartedin2012byNewYorkCitynonprofit92ndStreet

YandtheUnitedNationsFoundation.UnlikeBlackFriday,GivingTuesdayservesamorealtruisticpurpose.Initsfirstyea

r,themovementbroughtinalmost$10millionforcharities,andthingshaveonlyimprovedsince.In2019,manyGivingTuesdaysocialmediacampaignsworldwidehelpedrais

eanamazing$1.9billionfrom27milliondonors!Overthepastfiveyears,manyhighereducationinstitutionshavealsobeenusingtheTuesdayafterThanksgivingt

oaskalumni(毕业生)fordonations.In2019,theUniversityofMichigan,whichcallsitBlueday,received5887giftstotalingover$4million,whilePennsylvaniaStateUn

iversityraised$710000tobenefitover85Universityprograms.Thoughdonatingmoneycertainlyhelps,therearemanyotherwaystosupp

ortthegreatcause,especiallyduringtheCOVID-19pandemic.Youcanvideotutorkidsstrugglingwithonlinelearning,orteamupwithanadulttogetgrocerieso

rmedicationsforanelderlyneighbor.Alternatively,callonyourpeers(同龄人)tohelpyouwithaserviceprojectthataddressesanissueclosetoyourheart,o

rpickonefromtheseveralideassuggestedontheGivingTuesdaywebsite.Youcanalsodonateyourgently-usedclothesa

ndtoystolocalshelters,ormailahandwrittennotetoagrandparentorafriendyoumissseeing.Whatareyougoingtodotomakeapos

itivedifferenceinyourcommunityonGivingTuesday?Letusknowbyaddingyourcommentsbelow!4.WhydoestheauthormentionBlackFrida

yandCyberMondayinParagraph1?A.Tomakeacomparison.B.Toleadtothetopic.C.Toarousereaders’interest.D.Toexpresshisdoubt.

5.What’stheaimofGivingTuesday?A.Topromotethedevelopmentofeconomy.B.Toattractpeopletobuymoreholidaygifts.C.Tocallonmoreuniversitiestodonatemo

ney.D.Toencouragepeopletohelpthoseinneed.6.Whatdoestheunderlinedword“altruistic”inParagraph3mean?A.Selfless.B.General.C.Specific.D.Complex.7.Wha

tisParagraph4mainlyabout?A.Wherepeoplecanoffertheirkindhelp.B.WhatpeoplecandoonGivingTuesday.C.HowpeoplecanstaysafeduringCOVID-19.D.Whypeopleneed

tosupportthegreatcause.CForsomepeople,musicisnofunatall.Aboutfourpercentofthepopulationiswhatscientistscall“amusic.”Peop

lewhoareamusicarebornwithouttheabilitytorecognizeorreproducemusicalnotes(音调).Amusicpeopleoftencannottellthedifferencebetweentwo

songs.Amusicscanonlyhearthedifferencebetweentwonotesiftheyareveryfarapartonthemusicalscale.Asaresult,songssoundlikenoisetoanamusic.Manyamusicsc

omparethesoundofmusictopiecesofmetalhittingeachother.Lifecanbehardforamusics.Theirinabilitytoenjoymusicsetsthemapartfromother

s.Itcanbedifficultforotherpeopletoidentifywiththeircondition.Infact,mostpeoplecannotbegintograspwhatitfeelsliketobeamusic.Justgoingtoare

staurantorashoppingmallcanbeuncomfortableorevenpainful.Thatiswhymanyamusicsintentionallystayawayfromplaceswherethereismusic.However,thiscanresultinw

ithdrawalandsocialisolation.“Iusedtohateparties,”saysMargaret,aseventy-year-oldwomanwhoonlyrecentlydiscoveredthatshewasamusic.Bystudyingpeo

plelikeMargaret,scientistsarefinallylearninghowtoidentifythisunusualcondition.Scientistssaythatthebrainsofamusics

aredifferentfromthebrainsofpeoplewhocanappreciatemusic.Thedifferenceiscomplex,anditdoesn’tinvolvedefectivehearing.Amus

icscanunderstandothernonmusicalsoundswell.Theyalsohavenoproblemsunderstandingordinaryspeech.Scientists

compareamusicstopeoplewhojustcan’tseecertaincolors.Manyamusicsarehappywhentheirconditionisfinallydiagnosed(诊断).Foryears,Margaretfe

ltembarrassedaboutherproblemwithmusic.Nowsheknowsthatsheisnotalone.Thereisanameforhercondition.Thatmakesiteasierforhertoexp

lain.Whenpeopleinvitemetoaconcert,Ijustsay,“Nothanks,I’mamusic,”saysMargaret.“IjustwishIhadlearnedtosaythatwhenIwass

eventeenandnotseventy.”8.Whichofthefollowingistrueofamusic?A.Listeningtomusicisfarfromenjoyableforthem.B.Theyloveplaceswherethey

arelikelytohearmusic.C.Theycaneasilytelltwodifferentsongsapart.D.Theirsituationiswellunderstoodbymusicians.9.AccordingtoParagraph3,apersonwith“defe

ctivehearing”isprobablyonewho_______.A.dislikeslisteningtospeechesB.canhearanythingnonmusicalC.hasahearingproblemD.lacksacomplexhea

ringsystem10.Inthelastparagraph,Margaretexpressedherwishthat__________.A.herproblemwithmusichadbeendiagnosedearlierB.shewereseventeen

yearsoldratherthanseventyC.herproblemcouldbeeasilyexplainedD.shewereabletomeetotheramusics11.Whatisthepassagemainlyc

oncernedwith?A.Amusics’strangebehaviours.B.Somepeople’sinabilitytoenjoymusic.C.Musicaltalentandbrainstructure.D.Ide

ntificationandtreatmentofamusics.DInoneoftheworld’smostforbiddingenvironments,Polarbearsspendtheirsummersroaming(漫步)theArcti

conlargepiecesoffloatingice.Theydrift(漂移)forhundredsofmiles,findingmates,huntingforseals,andfattingthemselvesupforthewinter.Withoutthefloatingice,

theworld’slargestbearscouldnotsurvive.Yetatthismoment,thepolarbears’Arctichabitat(栖息地)ismeltingawayunderitbecauseof

globalwarming.Overthepastthreedecades,morethanamillionsquaremilesoffloatingicehasdisappeared.Scientistspre

dictthat,ifthecurrentrateofglobalwarmingcontinues,most,ifnotall,ofthebears’floatingicewillbegoneby2100.Asaresult,thewor

ld’spolarbearscouldfaceglobaldyingoutbytheendofthiscentury.Already,theiceonthesouthernedgeofthepolarbears’habitatismeltingaboutthreeweeksearli

erthaninthepast.Thelossofthosekeyweeksleavesthebearslesstimetohunt,eatandstoreupfat.Oncetheicemelts,thebearsmustfastforuptoeightmont

hsonlanduntilthefloatingicereturns.Asaresultofearlymelting,therehasbeena14percentdeclineintheHudsonBaypolarbearpopulationovert

hepasttenyears—afallclearlycausedbyglobalwarming.Besides,agrowingnumberofpolarbearsmaybedrowning(溺水)astheyareforcedtoswimmoreoften,andf

orlongerdistances,lookingforicesheets(冰原).AccordingtoareportbytheUSMineralsManagementService,researchersobserv

edfourdeadpolarbearsfloating60milesoffAlaskainSeptemberof2006andsaiditwaslikelythatmanyotherbearsswimmingfaroffshorealsodrowned.Scientistshavecon

cludedthattheworldwidepopulationofabout20,000polarbearsislikelytobecomesmallerbymorethan30percentinthenext35to5

0yearsalone.12.Whatdopolarbearsusuallydoinsummer?A.Lookforrelatives.B.Huntforfood.C.Storecropsup.D.Makefriendswithseals.13.Whatdi

sasterwillhappentopolarbearsbytheendofthiscenturyaccordingtothetext?A.Globaldrowning.B.Globaldyingout.C.Globalhunger.D.Globalroaming.14

.WhatcanbeinferredfromtheunderlinedpartinParagraph3?A.Thebearswillhavetostayhungrylonger.B.Thebearswillhavetoroamfaster.C.Thebearswillhavetostayq

uieteronland.D.Thebearswillhavetofaceafasterfallofitspopulation.15.Whydopolarbearshavetoswimmoreoftenandfarther?A.Tosearchforfood.B

.Tobuildupbodiestosurvive.C.Tofindplacestolandon.D.Toescapebeinghunted.第二节（共5小题：每小题2分，满分10分）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。有两项为多余选项。HowtoQuietaC

omplainerTalkingtoacomplainercanstressyouout,butwiththerighttoolsyoucanlightenthemoodforall.16Somecomplainerswillstopifyo

uchangetheconversationinadirectionthatintereststhem.Ifyourneighboriscaringmuchaboutthephonecompany,tellheraboutanunexpectedcallyoureceived

fromanoldfriend.Ifyourcoworkeriscomplainingaboutyourboss,askwhetherhemetthenewemployee.17Therefore,youcankeepusingit.Summarize

thecomplaint.Ifyourcomplainerkeepsrepeatinghimself,hemaystopifyouprovethatyou’relistening.Asksomethinglike,“CanItellyouwhatI’vehea

rdsofarandyouknowthatI’vegotit?”Using“I”statements(“I’veheard…”)ratherthan“you”statementsshowsthatyou’reinter

estedratherthantryingtoshutthepersondown.18Challengethepersontoact.Whenacomplainerisalwaystellingyouaboutherlatest

problem,asknicelywhatshe’sdonetoimproveit.Thatisn’ttheusualdirectionthatacomplainingconversationtakes.19Behonest.Whe

nyouhavethingstodo,tellthecomplainerthatyoumustcuttheconversationshort.20Youcansimplybehonest,evensayingyouneedtomoveonsothecon

versationdoesn’tbringyoudown—especiallyifit’ssomeonewho’scomplainedtoyoumanytimesbefore.A.Changethesubject.

B.Continuethesubject.C.Youdon’tneedanexcusetostopit.D.Therefore,youcankeepcomplainingit.E.Hardasitmaybe,avoidsayingtheword“you”.F.However,thisd

irectionmayhelptoshortlyendacomplaint.G.Thismethodisespeciallyeffectiveonthosewhoaremindlesslyexpressing.第二部分完形填空(共20小题；每小题1.5分，满分30分)Da

riusandJohntelbothlovebasketballandarecaptainsoftheirhighschoolbasketballteams.Theydidn’tknoweachother

.21,oneSaturdaynight,theywereforeverlinkedinthemindsofallwhowerepresentatagamebetweenDarius'ssmalltownteamandJohnt

el’sbigcityteam.Justhoursbeforethegame,Johntel’smotherdiedfromcancer.Hersudden22madeJohntelverysad:SoJohntel’scoachwantedto23thegame.Bu

tJohntel24thatthegameshouldbeplayed.Sowith25hearts,histeammatespreparedtoplayandhopefullywinwithouthim.26,Johntelappearedi

nthegymmid-waythroughthefirsthalf.Seeinghim,Johntel’scoachcalledatimeout,andplayersandfans27thesadyoungmantoofferloveand28.Johntelwantedto29butpu

ttinghiminthegameatthatpointwould30atechnicalfoul(犯规)andtwofreethrowsfortheopposingteam.Theopposingteamunderstoodthe31andtoldth

ereferees(裁判员)toletJohntelplayandto32thetechnicalfoul.Thereferees33thataruleisarule,andthefreethrowswouldhavetobetakenbeforethegamecould34.Astheteam

captain,Darius35totaketheshots.Thefreethrowlineis15feetfromthebasket.However,Darius’sfirstshottraveledabout4feet.Hissecondshot36tra

veled2.Immediately,Johntelandhisteammates37whatDariuswasdoing.Theystoodupandapplauded(鼓掌)forthegestureofsportsmanshipasDariuswal

kedbacktohisbench.Johntel’steamwonthegameintheend.Butasthetwo38metafterthegameforpizzaandsodas,39oneithersidewastooconcernedwithwinso

rlosses.Thatwouldbeoneofthemost40gamesintheirbasketballcareers.21.A.ThereforeB.HoweverC.BesidesD.Othe

rwise22.A.diseaseB.woundC.deathD.accident23.A.cancelB.watchC.defeatD.organize24.A.suggestedB.expectedC.orderedD.insisted

25.A.kindB.heavyC.healthyD.cheerful26.A.FortunatelyB.ExpectedlyC.SurprisinglyD.Hopefully27.A.surroundedB.comfortedC.encou

ragedD.called28.A.luckB.funC.adviceD.support29.A.speakB.playC.studyD.work30.A.putoffB.giveupC.resultinD.escapefrom31.A.situati

onB.lessonC.meaningD.mistake32.A.performB.acceptC.admitD.avoid33.A.agreedB.arguedC.provedD.guessed34.A.startB.loseC.con

tinueD.stop35.A.offeredB.refusedC.hesitatedD.pretended36.A.alreadyB.evenC.onlyD.still37.A.understoodB.wonderedC.believedD.asked38.

A.coachesB.classmatesC.gamesD.teams39.A.somebodyB.nobodyC.everybodyD.anybody40.A.disappointingB.excitin

gC.memorableD.scary第三部分语法填空（共10小题：每小题1.5分，满分15分）阅读下面短文，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。Atthe2016SummerOlym

pics,youmighthaveseen41(athlete)withpurplecirclesontheirskinfromcupping(拔火罐).Ormaybeyouknowsomeonewhousesacupuncture(针灸)for

theirbackpainorherbalteasforcolds.Moreandmorepeopleusepracticeslikethesefrom42(tradition)Chinesemedicine(TCM)tonotonlyf

ightdisease,butalsopreventit.Asisknown,westernmedicinefocuses43(main)ontreatingdisease.However,TCMisanancientsystemofhealththat

44(use)inChinaforthousandsofyears.Ittendstoviewthebodyalotasacar.Ithasdifferentsystems45needtherightinputsandoutputs.It’sveryconcreteand

logical.TCM,on46otherhand,doesn’tfocusonscienceandmedicine.Instead,it’sbased47balance,harmony,andenergyandoftenfocusesonwaystopromoteandmaintai

ntheflowofvitalenergy48(call)qi,twoofwhoseoppositequalitiesareyinandyang.Thebeliefisthateverythinginlifehasalittlebitof49(it)oppo

site,too,andbalanceisthekey.AccordingtoTCM,theseideasplayoutinourbodies.When50(balance)theyinandyangofqi,youf

eelhealthyandwell.Ifnot,youfeelsick.ThusTCMaimstocreateharmonyandahealthyflowofqi.第四部分短文改错（共10小题，每小题1分，满

分10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。作文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏子符号（∧）并在其下面写出该加的词。删除：把多余的词用斜线（\）划掉。修改：在错的词下划一横

线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2.只允许修改10处，多者（从第11处起）不计分。Variousactivitieshasbeenorganizedinmanyschools.Theseactivitiesprovidestudentsfortwom

ajoradvantages.Firstofall,theyplayapositiveroleinimprovestudents’studies.Duetotheirheavilyschedules,studentsareoftenburiedintext

booksandseldomenjoyedacolorfullife.Buttheactivitiesprovideopportunitiesforthemtorelaxthemselvesandenrichtheirminds.Beside,theacti

vitiesalsogivestudentsmorechancestogetinthetouchwithsociety.Totakeparttheseactivities,studentshavetoleavetheclassr

oomandgettoknowotherpeople.Allthisoffersanimportantmeanforstudentstobroadentheirhorizons.Bygettinginvolvedinschoolactivities,theyhaveafullschoo

llifebutinturnhelpschoolactivitiestodevelop.第五部分写作（满分25分）假设你是校体育部部长周晓，你校英国交换生Ivan在全市网球比赛中获得了第一名。请你根据

以下要点提示，用英语给Ivan写一封信，向他表示祝贺。要点提示：1.表明得知Ivan获奖的消息；2.对Ivan的成功进行积极评价；3.表达衷心的祝贺。注意：1.词数100左右；2.可适当增加细节，使行文连贯。DearIvan,______

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___________________________________________Yourssincerely,ZhouXiao2020—2021学年度高二下学期期末考试答案英语第一部分阅读理解（共两节

，满分40分）第一节（共15小题：每小题2分，满分30分）A1-3BCAB4-7BDABC8-11ACABD12-15BBAC第二节（共5小题：每小题2分，满分10分）16-20AGEFC第二部分完形填空(共20小题；每小题1.5分，满分30分)21-

25BCADB26-30CADBC31-35ADBCA36-40CADBC第三部分语法填空（共10小题：每小题1.5分，满分15分）41.athletes42.traditional43.mainly44.hasbeenused45.that/which46.t

he47.on48.called49.its50.balancing第四部分短文改错（共10小题，每小题1分，满分10分）1.第一句的has改为have2.第二句的for改为with3.第三句的improve改为improving4.第四句

的heavily改为heavy5.第四句的enjoyed改为enjoy6.第五句的Beside改为Besides7.第五句的getinthetouchwith中去掉the8.第六句在Totakepart后面加in9.第二段第一句的mean改为means10.最后一句的but改为and第五

部分写作（满分25分）DearIvan,Iammuchdelightedtolearnthatyougotthefirstplaceinthecity’stenniscontest.Iamwritingtoofferyoumysincerestcongratulations.A

sweknow,youarereallytalentedinplayingtennis,butundoubtedly,youcouldn’thavemadesuchremarkableachievementswithoutyourcontinuouseffort.Moreimp

ortantly,youshowedpersistenceinthecompetition,whichcontributedtoyourfinalsuccess.Weareallproudthatyouhavewongloryforourschool.Again,I’dlike

totakethisopportunitytoexpressmyheartfeltcongratulationsandbestwishestoyou.Iwishyougreatersuccessinthefuture.Y

ourssincerely,ZhouXiao