八年级下册英语第二单元单词表(新人教版)

高考模拟卷（三）本试卷共三部分，满分135分（120×1.125）。考试时间120分钟。第二部分阅读理解（共两节，满分60分）第一节（共15小题；每小题3分，满分45分）阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。ASpecialProgramsCareerStoriesWhatdoyouwanttobewhengrowingup?Hearfirst-handfromfourScienceCentrestaffonthedifferentcareerpathstheyhavetaken.Ourreal-liferolemodelssharetheirexperiencesanddemonstratethatpathwaystosuccess,whileuniquetoeveryone,arebasedonthedevelopmentof21stcenturycompetenciesandacommitmenttolifelonglearning.Duration:60minutesTime:10:30-11:30Dates:May13&27,2018Price:$15perstudentClimateChangeUnderstandthecomplexconnectionsbetweenhumanactivity,greenhousegases,heattransferandclimatechange.Investigatepastclimatedata,seeoceanacidificationinactionandcompareCanadatotheworld.UseaphysicalclimatemodeltotestwhetheryoucanstabilizetheEarth’sclimate.Duration:45minutesTimes:10-10:45,11-11:45,12-12:45,1-1:45and2-2:45Dates:June18,23&24,2018Price:$10perstudentCharacteristicsofElectricityWitnessthepowerofelectricitywithshockingdemonstrations.FromGalvanitoTesla,rediscoverthepracticalapplicationsofcurrent,circuitsandresistance.Understandhowelectricenergyisgenerated,andbeapartofahumanelectriccircuit.Getenergizedwithasparktacularstaticelectricdischarge（静电释放）!Duration:55minutesTime:11-11:55Dates:July24,2018Price:$10perstudentMentalHealth:TheScienceofAnxietyYourheartisracing,yourmouthisdryandyourstomachisinknots!Don’tworry,everyonefeelsanxioussometimes.Explorewhat’sreallygoingoninourbrainswhenweexperienceanxiety,howitaffectsourbodiesandwhystresscansometimesbeagoodthing.Thispresentationexplainshowourbrainsandbodiesreacttostress,whileintroducingstudentstoevidencebasedapproaches.Mentalhealthappliestoeveryone—wecanalltakestepstoenjoylifeanddealwiththechallengesyoufaceeachday!Duration:45minutesTimes:11-11:45Dates:August7,8,9,10&11,2018Price:$10perstudent21.WhatdoweknowabouttheprogramCareerStories?A.Itofferstipsonlifelonglearning.B.Itispresentedwithmoralstories.C.Itisbasedonfirsthandexperiences.D.Itprovidespracticalpathwaystosuccess.22.WhichoftheprogramsisavailableinJune?A.CareerStories.B.ClimateChange.C.CharacteristicsofElectricity.D.MentalHealth:TheScienceofAnxiety.23.WhatcanyouacquireinMentalHealth:TheScienceofAnxiety?A.Howmentalconcernsarehandled.B.Howelectricenergyisgenerated.C.Howahumanelectriccircuitdevelops.D.Howextremefeelingsaffectourbodies.BIfyourcatoftenwaitstoolongoutsideatthedoorwaitingtobeletin,whatwouldyoudo?ArkaitzGarro,aWeTransfersoftwareengineerinHolland,decidedtousehisskillstosolvetheproblem.Insteadofsettingupagoodoldcatflap（猫洞）onhisdoor,hewentforamorehightechsolutioninvolvingartificialintelligence,motiondetectionsensors,facerecognitionsoftwareandamessagingapp.Itmaybeoverkill,butArkaitzclaimsthatitonlytookhimafewhourstodoit,asallthehardwareandsoftwareheusedarereadilyavailable.Itallstartedafewyearsago,whenGarroandhiswifespottedacatintheirbackbalcony.Notknowingifithadbeenabandoned,lostbyitsowner,orsimplyhomeless,theytookitin,butalsopostedsomepicturesofitaroundtheirneighborhood,incasesomeonewaslookingforit.“Wefoundoutthatthecathadanowner,justafewhousesawayandhewasveryhappyto‘share’thecatwithus.Nowithastwofamilieswholovehim,”Arkaitzsaid.“So,hehasdevelopedascheduletocomeataroundspecifictimes.”TheproblemwasthatneitherGarronorhiswifecouldsimplystandbythedoorwaitingforittoshowup,sohecameupwithadevice（装置）madeupofaminicomputercompletewithacamerathatwouldusemotiondetection（运动检测）andimagerecognitionAIsoftwaretoautomaticallyidentifythecatandthenmessagehimsohecouldlettheanimalin.“Wejustwanttobenotifiedwhenheisaround,”Arkaitzexplained.“Whenitdetectsmovement,itsendsthepicturetoarecognitionsoftware,whichchecksagainsttheidentityofthecatbasedonpreviousimageryofthecat.”“Ittookmejustafewhourstoputallthepiecestogetherandthesoftwareupandrunning,butsomemoretimeaftertofinetunethesoftwaretobeabletorecognizethecat,”Arkaitzsaid,butintheenditprovedtobeeffective.24.WhatdidArkaitzGarrothinkofhisinvention?A.Itwasmoneysaving.B.Itwasecofriendly.C.Itwastimeconsuming.D.Itwaseasilymade.25.WhydidArkaitzGarroandhiswifeputupsomepicturesofthecat?A.Toseekashelterforit.B.Tofinditstrueowner.C.Tolookforapotentialbuyer.D.Toadvertiseitspresencetoitscompanions.26.HowdoesArkaitz’ssystemcheckagainsthiscat’sidentity?A.Bymatchingitsimage.B.Byidentifyingitssmell.C.Bymeasuringitssize.D.Byrecognizingitsvoice.27.WhatisthelaststepofArkaitz’ssystemwhenitworks?A.Sendamessage.B.Sendthepicture.C.Detectmovement.D.Requireidentification.CCameronisnoordinarydog,andnotjustbecausehewasbornonValentine’sDay.ToMaggie,afirstgraderatBurgundyFarmCountryDaySchool,thedogwhospendsmostdaysoncampusismorelikeafriend.WhenCameronisnear,Maggiefeels“really,really,happy,”shesaid.“Ifeelsafearoundhim,”sheadded.“He’llliedownandaskmetoscratchhistummy,”sheexplained,becauseCameronlikesMaggie.CameronisoneofahandfulofdogsatBurgundy,aK8privatedayschoolinAlexandria,Virginia.Dogsstartedshowinguptherewhentheheadofschool,JeffSindler,broughthisclumsyLabrador,Luke,tothemainofficebuildingwhereSindlerworks.AfterLukedied,SindleradoptedCameronandbroughthimtocampus,too,wherethedog