安徽省合肥一中六中八中学年高一上学期期末英语试题.docx
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安徽省合肥一中六中八中学年高一上学期期末英语试题.docx
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安徽省合肥一中六中八中学年高一上学期期末英语试题
安徽省合肥一中、六中、八中2020-2021学年高一上学期期
末英语试题
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一、阅读选择
UnsolvedMysteriesAboutthePlanetEarth
J
♦Mystery1:
Wheredidallthewatercomefiom?
Watercovers70percentofEarth'ssurfaceandearnsitthenickname"theblueplanet.Butwherediditcomefrom?
ThemostpopularscientifictheorystatesthattheH:
Ocamefromseveralviolentasteroids(小行星)filledwithice.AnothersuggeststhatthewateractuallyhasbeenaroundsinceEarth'sfbniiation.Howeverithappened,though,ifscertamlyworkedoutwellforEarth'slifefoniis.
♦Mystery2:
Whataboutalltheoxygen?
Anothertilingistheplanefsoxygen.Tinycreaturesreleasedoxygenasawasteproduct,fillmgtheatmospherewithit.Afterthat,thelevelofoxygeninEarth'satmospherewentwildlyupanddownuntilitfiliallycalmeddownaround540millionyeaisago.Smcethen,it'sremamedataboutthebreathablelevelweexperiencetoday.Butwhatcausedittobesuddenlysteady?
♦Mystery3:
WhatcausedtheCambrian(寒武纪)Explosion?
TheCambrianExplosionlefeistotheexplosionofcomplexlifeformsthatoccurredonEarthabout540millionyearsago.Beforethen,lifehadconsistedmostlyofbacteria・ButatthebegummgoftheCambrianpenod,complexcreatinesbegandevelopmgatarateneverseenbefore・Suddenly,lifeformshadbrains,eyes,andbones.MostlivmgcreatuiestodaycantracethekbloodbacktotheCambrianperiod・
♦Mystery4:
Willweeverbeabletopredictearthquakes?
Westillhaven'tbeenabletocomeupwithawaytoaccuratelypredictearthquakes.Wecancertauilytry.butourcurienttechnologycannotpredicttliemexactly.Weknowthatearthquakesstartwhenrockscrackundergroundandsendeaitliquakewavestowardthesurface,butwehaven'tfiguredoutwhythathappens,orhowtopredictit.
1・WhatwascreatedlaterbycreatuiesonEarth9
A.Oxygen・E.Water.C.Bacteria.D.Ice.
2.Wliichofthefollowingistmeaccordingtothetext?
A・Earthiscalledthebluestarbecauseofwatercoverage・
B.Thelevelofoxygenhasbeensteadyallthetime・
C.ComplexcreatureshadrapiddevelopmentintheCambrianperiod・
D・knownothmgaboutpredictingeaithquakes・
3.WhatdoweknowaboutMysteiy4?
A.Itistheoldestmysteryoftliefour.
B・Itwillbesolvedinthenearfuture・
C.Itisthemostdifficultmysterytosolveofthefour.
D.Itisamatterthathasextremelypracticalsignificance.
Rambeatsagainstthewindow,niatchmgmymood・Ishouldhaveknownthatmynewjobatthehospitalwastoogoodtobetine.Tluoughouttheday,mmorswarnedthatthenewestemployeefromeachdepartmentwouldbelaidoff.Iwasthenewestoneinthetrainingdepaitment.
Mybossappeared."Yduprobablyknowwerecuttingbackonstaffdiesaid."Administrationwantsustoofferoutplacementclassestohelpthoseemployeesfindotherjobs,showingthemhowtoactinailinterview,forexample.”"Fine,”Iansweredimwillingly,notknowingwhatelsetosay.
Idecidedtogohomeearlythatday.InthehaltImettheladywhobroughtuscookieseveiyFriday.Shewasalittlewomanwithgrayhair.Onlyherheadandthetopofhergreenapronwerevisibleoverthecart(/J、车)loadedwithcleaningsupplies.Atleastshehadajob!
Atthefinalmeetmg,laidoffworkersformedalmeatthedoor.Acolleaguewhispeied."Ican'tbelieveourCookieLadyisbemglaidoff.We'llniissherasmuchaswe'llmisshercookies.nWhenthecolleaguespoketoherinSpanish,Iknewmyclasseswouldbeuselessforher
Idecidedtodosometluiigforher.IwrotetoanewspaperexpressinghowIfeltabouttlieunselflslmessoftlieCookieLadywhoneededajob・Afewdayslater,myarticleappealedinthenewspaperandtheCookieLadywasallowedtostayinherposition.Onthesameday,Ireceivedaletter,wliichseemedsounlikelythatIreadittwice・Aneditorofalocalniagazmelikesyourpieceandwantsyoutocallhernexttimeyouarelookmgforwork."
4.Howdidtheauthorfeelonthatrainyday?
A.NenrousB・Excited
C.Aiigiy.
5.Whatwastlieautlioraskedtodo?
A,Takecareofpatients・
C・Resignfromthehospital・
6.
D・Proud.
B.Leaveearlierthatday
D・Helpthelaid-offworkers.
HowdidtheauthorhelptheCookieLady?
Listencaiefullvtothefootstepsinthefamilyhome,andyoucanprobablyworkoutwhoiswalkuigabout.Thefeaturesmostconunoiilyusedtoidentifypeoplearefaces,voicesandfingeiprints.Butthewaytheywalkisalsoagiveaway.
Reseaivhershaveusedvideocamerasandcomputerstoanalyzepeople'sgaits(步态),andarenowquitegoodatit.Buttranslatmgsuchknowledgemtoapracticalidentificationsystemcanbetricky.Camerasareoftenvisible,aiedifficulttosetup.requuegoodlightmgandmayhavethekviewblockedbyotlierpeople・AteamledbyDr.OzaiivanandDr.Scullyhavebeenlooknigforabetterwaytolecogiiizegaits.Thekanswer:
pressure-sensitivemats・
Suchmatsarenothingnew.Theyhavebeenpaitofsecuritysystems・ButOzanyanandScullyuseacomplicatedversiontliatcanrecordtheamountofpiessuieappliedindifferentplacesassomeonewalksacrossit.Thesemeasurementsformapatternuniquetothewalker.Thereseaichersturnedtoanaitificial-mtelligencesystemtorecognizesuchpatterns,anditseemedtowork・Inastudyin2018,theytestedthesystemonadatabaseoffootstepsof127people・Theyfounditserrorrateinidentifymgwhowaswhowasamere0.7%・AndScullysaysevenwithoutadatabaseoffootstepstoworkwith,thesystemcandetemunesomeone'ssexand,withreasonableaccuracy,asubject'sage.
Oneapplicationofthemat-basedgait-iecogmtionsystemmightbeinhealthcare,particulailyfortlieelderly.Amatplacedinanursinghomeoranoldperson'sownresidencecouldmonitorchangesinanmdividuaFsgaitthatindicatescertainillnesses.Thatwouldprovideearlywainmgofsomeonebeingatgreaterriskoffallingover.
Gaitanalysismightalsobeusedasasecuritymeasureintheworkplace,monitoiiiig
accesstorestiictedareas,suchaspartsofinilitaiybases,serv-erfaimsorlaboratoriesdealingwitlidangerousmaterials.Perhapsthemostinterestinguseofthemats,though,wouldbeinpublicplaces,suchasanpoils.
8・WhatismainlytalkedaboutinParagraph2?
A.Researchequipment・B.Researchfindings・
C.Researchassumption・D.Researchbackground・
9・AccordingtoPaiagraph3、thematisusedto・
A.collectdataB.ensuresafetv
J
C.determineageD.analysepressure
10.
Thegait-recognitionsystemmightbeappliedto・
DoyoutakeafancytoOlafthesnowmaninthemovieFrozen?
You'llfindanancestorofOlafwhenlookingintomanyofhistory'sculturalsymbols.Itappearedonsomeofthefiistpostcards,starredinsomeoftheearliestsilentmovies,andwasthesubjectofacoupleoftlieearliestphotos,datmgallthewaybacktothe1800s・Idiscoveredevenmoreaboutoneofhumanity'searliestfoniisoffolkartduringseveralyearsofresearcharoundtheworld.
Forexample,snowmenwereaphenomenonintheMiddleAges,builtwithgreatskillandthouglit.Atatuneoflimitedmeansofexpression,snowwaslikefreeartsuppliesdroppedfromtliesky.Itwasapopularactivityforcouplestoleisuielywalktluoughtowntoviewtlietemporaiyworksofchillyart.Somewerecreatedbyfamousartists,mcludmga19-year-oldMichelangelo,whoill1494wasappomtedbythemlerofFlorence,Italy,tobuildasnowmaninhismansion^courtyard.
TheMiiacleof1511tookplacedunngsixfieeziiigweekscalledtheWinterofDeath・ThecityofBmsselswascoveredmsnowmen—animpressivescenethattoldstoriesoneveiystieetcomer.Somewerepoliticalinnature,criticizmgthechuichandgovenunent.Somewereareflectionofpeople'smiagmation.ForthepeopleofBrussels,thiswasadefiimigmomentofaitisticfreedom,atleastuntilspringarrived,bywliichtimetlieyweredealingwithdamagingfloods・
Ifyoufeai-theheydayofthesnowmanhaspassed,don'tworryPvelearnedthatsomeexplosivesnowmanhistoryisstillbeingmadetoday.Eveiyyearsince1818,thepeopleofZurich,Switzerland,celebratethebegHiningofsprmgbyblowingupasnowman.OntliethiidMondayofApriLtheholidaySechselauteniskickedoffwhenacottonsnowmancalledtheBooggisstuffedwithexplosiveandparadedtluoughtownbybakersandothertiadesmenwhotluowbreadtothecrowds・TheparadeendswiththeBooggbemgplacedona40・footpileoffiiewood.AfterthebellsoftlieChurchofSt.Peterhavemngsixtimes,representingthepassmgofwinter,thepileislit.Whenthesnowmanexplodes,wmterisconsideredofficiallyover^thequickeritisburntdown,tlielongersununerissaidtobe.
12.Accordingtotliepassage,whydidsnowmenbecomeaphenomenonintheMiddleAges?
A.Peoplethoughtofsnowasholyartsupplies.
B・Peoplelongedtoseemasteipiecesofsnow.
C.Buildmgsnowmenwasawayforpeopletoexpressthemselves.
D.Buildmgsnowmenhelpedpeopledevelopthekskillandthought.
13・"Theheydayofthesnowman"(Paragiaph4)probablymeansthetmiewhen・
A.snowmenweremadeinauilybyartistsB・snowmeneiijoyedgreatpopularity
C.snowmenwerepoliticallycriticizedD.snowmencauseddamagingfloods
14.IllZurich,theblowingupoftlieBooggsymbolizes.
A.thestartoftheparadeB・tliecomingofalongersuimner
C.tliepassingofthewinterD.tliesuccessoftradesmen
15.Whatcanbeconcludedaboutsnowmenfromthepassage?
A.Theywereappreciatedmhistory.B・Theyhavelosttheirvalue.
C.Theywererelatedtomovies・D.Theyvaiymshapeandsize.
二七JO
Therearenumerousbenefitsofieadmggoodbooks.16,Whateveryourfieldmightbe,ifsveiymipoitanttocreateagoodhabittoleadbeyondyourhorizons・Hewaietipstohelpyoucultiva
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