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Treasure hunts (寻宝) have excited people’s imagination for hundreds of years both in real life and i...
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高中英语《黑龙江省大庆实验中学2016届高三上学期12月月考考试试题及答案》真题及答案
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一个寻宝游戏的寻宝通道如图1所示通道由在同一平面内的ABBCCAOAOBOC组成为记录寻宝者的进行路
A.→O→B
B.→A→C
B.→O→C
C.→B→O
Treasurehunts寻宝haveexcitedpeople'simaginationforhu
在一次寻宝游戏中寻宝人找到了如图所示标志点A.33B.51则宝藏所在地点C.的坐标为________
Treasurehuntshaveexcitedpeople’simaginationforhund
LearningPekingOperainschoolsisintended____________
to preserving
to preserve
to have preserved
preserving
一个寻宝游戏的寻宝通道如图1所示四边形ABCD为矩形且AB>AD>AB为记录寻宝者的行进路线在AB
D→O→C
A→D→C→B
A→D→O→C→B
O→D→C→O
一个寻宝游戏的寻宝通道如图1所示通道由在同一平面内的ABBCCAOAOBOC组成.为记录寻宝者的行进
A.→O→B
B.→A→C
B.→O→C
C.→B→O
一个寻宝游戏的寻宝通道如图1所示四边形ABCD为矩形且AB>AD>为记录寻宝者的行进路线在AB的中
O→D→C→B
A→B→C
D→O→C→B
B→C→O→A
Treasurehunts寻宝haveexcitedpeople'simaginationforhu
TerryHerbert55ofStaffordshiretheUKhasusedametaldet
.一个寻宝游戏的寻宝通道如图1所示四边形ABCD为矩形且AB>AD>为记录寻宝者的行进路线在AB的中
O.→D.→C.→
B.A.→B.→
C.
→O.→C.→B. D.B.→C.→O.→A.
Treasurehuntshaveexcitedpeople'simaginationforhund
如图一个寻宝游戏的寻宝结构是等边三角形ABC及中心O通道是ABBCCAOAOBOC组成.为记录寻宝
在一次寻宝游戏中寻宝人找到了如图所示标志点A.33B.51则宝藏所在地点C.的坐标为________
Treasurehuntshaveexcitedpeople’simaginationforhund
Treasurehunts寻宝haveexcitedpeople’simaginationforhu
Treasurehunts寻宝haveexcitedpeople'simaginationforhu
本文的题目是骆驼寻宝记为什么写那么多的动物都去寻宝答
一个寻宝游戏的寻宝通道如图1所示通道由在同一平面内的ABBCCAOAOBOC组成.为记录寻宝者的行
一个寻宝游戏的寻宝通道如图1所示通道由在同一平面内的ABBCCAOAOBOC组成.为记录寻宝者的行进
A→O→B
B→A→C
B→O→C
C→B→O
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Boilerroomsareoftendirtyandsteamybutthisoneiscleanandcool.FoxPointisaverynew47-unitlivingbuildinginSouthBronxoneofthecity’spoorestareas.Two-thirdsofthepeoplelivingthereareformerly以前homelesspeoplewhoserentispaidbythegovernment.Therestarelow-incomefamilies.Theboilerroomhasspecialequipmentwhichproducesenergyforelectricityandheat.Itreusesheatthatwouldotherwisebelosttotheairreducingcarbonemissions碳排放whilealsocuttingcosts.FoxPointisoperatedbyPalladiaagroupthatspecializesinprovidinghousingandservicestoneedypeoplE.PalladiareceivedsupportfromEnterpriseCommunityPartnersECPwhichhelpsbuildaffordablehousingbyprovidingsupporttohousingdevelopers.w_w*w.k_s*5_u.c_omECPhascreatednationalstandardsforhealthyenvironmentally环境方面cleverandaffordablehomeswhicharecalledtheGreenCommunitiesStandards.Thesestandardsincludewaterkeepingenergysavingandtheuseofenvironmentallyfriendlybuildingmaterials.Meetingthestandardsincreaseshousingconstructioncostsby2%whichisrapidlypaidbackbylowerrunningcosts.Eventhepositioningofawindowtogetmostdaylightcanhelpsaveenergy.Michael.BloombergNewYork'smayorplanstocreate165000affordablehousingunitsfor500000NewYorkers.Almost80%ofNewYorkCity’sgreenhouse-gasemissionscomefrombuildingsand40%ofthosearecausedbyhousing..Soherecentlyannouncedthatthecity’sDepartmentofHousingandPreservationandDevelopmentDHPDwhosedutyistodevelopandkeepthecity’ssupplyofaffordablehousingwillrequireallitsnewprojectstofollowECP’sgreenstandards.SimilarmeasureshavebeentakenbyothercitiessuchasClevelandandDenverbutNewYork’sDHPDisthelargestcitydeveloperofaffordablehousinginthecountry.25.Whatisthepurposeofdescribingtheboilerroominthefirstparagraph?A.ToexplainthemeasuresthecitytakestocareforpoorpeoplE.B.Tosuggestthataffordablehousingispossibleinallareas.C.Toshowhowtheenvironment-friendlybuildingworks.D.Tocompareoldandnewboilerrooms.26.WhatisanadvantageofthebuildingsmeetingtheGreenCommunitiesStandards?A.Lowerrunningcosts.B.Costinglessinconstruction.C.Lessairtobelostinhotdays.D.BetterpricesforhomelesspeoplE.27.ItcanbelearnedfromthetextthatA.NewYorkCityisseriouslypollutedB.people’sdailylifecausesmanycarbonemissionsinNewYorkCityC.agreatnumberofpeopleinNewYorkCitydon'thavehousestoliveinD.someothercitieshavedevelopedmoreaffordablehousingthanNewYorkCity28.Whatisthemainpurposeofthistext?A.Tocallonpeopletopaymoreattentiontohousingproblems.B.Toprovethatsomestandardsareneededforaffordablehousing.C.Toasksocietytohelphomelesspeopleandlow-incomefamilies.D.Tointroducehealthyenvironmentallyclever-andaffordablehousing.
Itiswidelybelievedthatrobotswillstar担任主角inhuman’sfuturelifE.Buthowsoonwillitbebeforerobotsbecomesointelligentthattheywillbeabletodothingssuchasteachinglanguagesorlookingafterpatientsinhospital?SomeexpertsbelievethiswillhappenwithintwentyyearswhileothersdisagreE.OneLondoncompanyUASUniversityAutomatedSystemshasalreadydevelopedmachinesthatcanbeusedashomehelpsforoldpeopleunabletolookafterthemselvesandthosewhoarelivingontheirownorinspecialhomes.Thesemachinescannowdosuchthingsascookingeggsandcleaningthefloorandthecompanysaysthatfuturemodelsstillacceptsimplevoiceinstructionsandcanbecontrolledbyabrainthatistheequivalent替代品ofthelatestIBMmicrocomputer.ThedirectorofUASMrHenryJeffriesbelievesthatinthenextfivetotenyearscompanieswillhavedevelopedevenmoresophisticated复杂的robotsforuseinindustry.Bythattimeitislikelythattheywillalsohavebeguntosellnewformsofthesemachinesintoordinaryhomes.Robotscoulddoawiderangeofhouseholdtaskssuchaspreparingmealswashingdishescleaningthehouseandsoon.Bythenthepriceofsuchmachinesmayhavecomedowntoaslittleas$1000.ButDrSandraLomaxwhohasdoneresearchintoartificialintelligenceatSussexUniversityandMITMassachusettsInstituteofTechnologybelieveswehavealongwaytogobeforewecandeveloptrulyintelligentmachines.Preparinganomelet煎蛋mayseemeasyenough.Butsupposeoneoftheeggshasgonebadeventhemostintelligentrobotwouldprobablystilluseit.Ifsomethingslightlyunusualneedsdoingsomethingthatrequiresevenalittleofordinaryhumanimaginationarobotisuseless.TheyneedprogrammingforeventhesimplestoftasksandarenotabletolearnfromexperiencE.AndteachingarobothowtorecognizeabadeggismoredifficultthanteachingittopreparetheomeletDrSandraLomaxsays.21.A.LondoncompanycalledUAShasalreadydevelopedamachinewhich________.A.canteachlanguagesandcareforthepatientsinhospitalB.canhelpoldpeopledocertainjobsinthehouseC.iscontrolledbymicrocomputerbrainD.canacceptsimplevoiceinstructions22.ThedirectorofUASbelievesthatinthenextfivetotenyearsnewformsofmachineswill________.A.beabletothinkwiththeirownbrainsanddoanythingwithimaginationB.costlessthan$1000C.beusedmoreinordinaryhomesthaninindustryD.domorehousework23.DrSandraLomaxthinksthat________.A.norobotwilleverbeabletoprepareanomeletB.arobotwillsoonbeabletodounusualhouseworkpeoplecan’tdoC.wecanprogramarobottolearnfromexperienceD.makinganomeletiseasierforarobotthanrecognizingabadegg
SirJohnaBritishscientistwhowonlastyear’sNobelPrizeformedicinesaidhehadpredictedatthetimeofhisfrogexperimentsthatthesuccessfulcloningofamammalwouldhappenwithin50yearsandthatmaybethesameanswerisappropriateforthesteptohumancloning.Parentswholosechildreninaccidentsmaybeabletoclonecopiestoreplacethemthen.Althoughanyattempttocloneanentirehumanwouldraisecomplexmoralissuesthebiologistclaimedpeoplewouldsoonovercometheirconcernsifthetechniquebecamemedicallyuseful.CloningwasregardedwithextremedoubtswhenitwasfirstdevelopedbutbecamewidelyacceptedafterthebirthofLouiseBrownthefirsttesttubebaby.HesaidWhenmyfirstfrogexperimentsweredoneanAmericanreporteraskedhowlongitwillbebeforethesethingscanbedoneinmammalsorhumans.Isaid‘Wellitcouldbeanywherebetween10yearsand100years—howabout50years?’Itturnedoutthatitwasn'tfaroffthemarkasfarasDollywasconcerneD.MaybethesameanswerisappropriatE.SirJohnaddedthatcloningahumanbeingeffectivelymeansmakinganidenticaltwinanddoctorswouldthereforesimplybecopyingwhatnaturehasalreadyproduced.Theaveragevoteonallowingparentsofdeceasedchildrenwhoarenolongerfertiletocreateanotherusingthemother'seggsandskincellsfromthefirstchildthinkingthetechniquewassafeandeffectiveis60percentinfavor.Thereasonsfornoareusuallythatthenewchildwouldfeeltheyweresomesortofareplacementforsomething.21.SirJohnpredictedthehumancloningwouldbearealityin________atmost.A.100yearsB.60yearsC.50yearsD.10years22.AccordingtothetextwhichstatementisNOTtrue?A.LouiseBrownisthefirsttesttubebaby.B.HumancloningisstillacontroversialtopiC.C.SirJohnispositiveaboutthefutureofhumancloning.D.Humancloningiscreatingsomethingthatdidn'texistbeforE.23.Whatdoesthetextmainlytalkabout?A.ThelifeofSirJohn.B.Predictiononhumancloning.C.Viewsonhumancloning.D.Achievementsinhumancloning.
Whenusingfireworksitisessentialthatyouusetheminasafeandsecuremanner.Inthefollowingparagraphswewillthrowsomelightonthesafetymeasuresthatyoushouldadoptwhenusingfireworks.Whenshoppingforfireworksitiscrucialthatyouaskshopownersiftheyaresellingproductsthataresafeandmeetthesafetycriteriasetbyyourcommunity.Additionallyitisagoodideatocheckthebusinesslicenseoftheindividualthatyouarebuyingfireworksfrom.Ithasoftenbeenseenthatinmanyregionspeoplehavesetupfireworkshopsandsoldhome-madefireworks.Mostoftheseproductsareforbiddenbylawandareverydangerousforyourhealth.Readthelabels标签carefullyandadheretodirections.Allfireworksshouldcarryacautionlabeltalkingaboutnecessarysecuritymeasures.BeforelightingthefireworksitisimportantthatyoureadeachofthelabelsonthepackagE.YoushouldalsoavoidlightingmultiplefireworksatonetimE.Makesurethatthespectatorsareatasignificantdistanceawaybeforelightingthefireworks.Neverthrowthesefireworksatanyperson.Doingthismightcauseseriousdamagetovitalorgans.Additionallyitisimportanttohaveafireextinguisher灭火器nearbytopreventanyminoraccidentsfromgettingdestroying.Seeingthatit’simportantthatyoulightthefireworksinaplacethatisawayfromthepopulationitisnecessarytohaveafirst-aidkitcloseby.BringingacellphonealongwithyouisalsorecommendeD.Onlyadultscanlightandhandlefireworks.Designate指定anareaforchildrentositandenjoythefireworks.Itisnecessarytoensurethatthefireworksyouarebuyingareallowedinyourlocality.Severaltypesoffireworksareillegalbecausetheyhavebroughtonseriousinjuriesdestructionandinmanycasesdeathinthepast.Itisdangeroustousethiskindoffireworkswhichcouldresultinseriousinjury.27.Thispassageintendstotellreaders________.A.somewaystosetofffireworksB.howtopreventthefirecausedbyfireworksC.somesafetymeasuresofplayingwithfireworksD.howtopreventchildrenfromplayingfireworks.28.Checkingthebusinesslicenseofshopownersaimsto______.A.avoidbuyingillegalfireworks.B.judgewhethertheyareterroristsC.telliffireworksaresoldataveryhighpriceD.knowthematerialsusedtomakefireworks29.TheunderlinepartadheretoinParagraph3isclosestinmeaningto____.A.addtoB.sticktoC.watchoverD.choosefrom30.Whatcanwelearnfromthelasttwoparagraphs?A.FireworksaretoodangeroustoplaywithB.TherearemanytypesofillegalfireworksonsaleC.YoushouldtakeaphonewhensettingofffireworksD.Lightingfireworksinaproperplaceisthemostimportant
Airpollutionbysourcesrangingfromcookingfirestoautosmokecontributedtoanestimatedsevenmilliondeathsworldwidein2012theUNhealthagencysaidTuesday.Airpollutionandweretalkingaboutbothindoorsandoutdoorsisnowthebiggestenvironmentalhealthproblemandit’saffectingeveryonebothdevelopedanddevelopingcountriessaidMariaNeiratheWorldHealthOrganization’spublicandenvironmentalhealthchief.Globallypollutionwaslinkedtoonedeathineightin2012newWHOresearchfounD.Thebiggestpollution-relatedkillerswereheartdiseasestrokepulmonary肺的diseaseandlungcancer.Thehardest-hitregionsoftheglobewerewhattheWHOlabelsSoutheastAsiawhichincludesIndiaandIndonesiaandtheWesternPacificrangingfromChinaandSouthKoreatoJapanandthePhilippines.Togethertheyaccountedfor5.9milliondeaths.Theglobaldeathtollincluded4.3milliondeathsduetoindoorairpollutionchieflycausedbycookingovercoalandwoodstovesandsoon.Thetollfromoutdoorpollutionwas3.7millionwithsourcesrangingfromcoalheatingfirestogasengines.ManypeopleareexposedtobothindoorandoutdoorpollutiontheWHOsaidandduetothatoverlap重叠theseparatedeathtollattributedtothetwosourcescannotsimplybeaddedtogetherthereforethefigureofsevenmilliondeaths.ThenewfigureisshockingNeiratoldreporters.Whenitlastreleasedanestimatefordeathsrelatedtoairpollutionin2008theagencyhadputthefigurerelatedtooutdoorpollutionat1.3millionwhilethenumberblamedonindoorpollutionwas1.9million.Butachangeinresearchmethodsmakescomparisondifficultbetweenthe2008estimateandthe2012figuresNeirasaiD.InthepastforexampletheWHOdidnottakeintoaccounttheoverlapbetweenexposuretobothformsandonlyassessedurbanpollution.Satelliteimageryhasmadeiteasiertoassessruralpollutionandnewknowledgeaboutthehealthimpactofexposurehasenabledabettercount.28.WecaninferfromParagraph1that.A.airpollutiononlycomesfromcookingfiresandvehiclesmokeB.airpollutionhascausedabigdisastertothewholeworldC.healthproblemmusthavecomefromairpollutionD.airpollutionaremainlyaffectingthedevelopingcountries29.Whichofthefollowinghasnothingtodowithseriousairpollution?A.AIDS.B.HeartdiseasE.C.StrokE.D.Lungcancer.30.WhatisthemeaningoftheunderlinedwordlabelsinParagraph2?A.Launches.B.Breaks.C.Classify.D.Forbids.31.Whatcanweknowaboutthedeathscausedbyairpollution?A.Indoorairpollutionshouldbetoblamefor5.9milliondeaths.B.Cookingbyburningcoalsandwoodetcisthemainreasonforindoorairpollution.C.Airpollutionisnotrelatedtodrivingcarsormotorcycles.D.Outdoorpollutionisfromcoalheatingfiresandgasengines.
BEIJINGFeB.26ChinaDaily--AsthesmogorangewarningcontinuestouristattractionsinBeijingareexperiencingaquickfallinvisitornumber.A.newreportonthemorningofFebruary24showsthattheconcentrationofPM2.5hasrisenwithnosignofdecreasingtheorangewarningwillstillbeineffectaccordingtoXinhuaNewsAgency.AccordingtodatabytheBeijingTourismWebsiteby2:00pmFebruary24populartouristattractionsincludingTheGreatWallandPalaceMuseumhadbeenaffectedbythesmogintermsoftouristnumbers.AsforthePalaceMuseumthenumberofvisitorswasonly11200thatdayfarfromthefigureof40000whichisthedailyaveragenumberofvisitorsitnormallyreceives.TherewereafewvisitorsinBeihaiParkonthemorningofFebruary24andtwovisitorsfromHebeiprovinceplannedtoendtheirmorningtourearlierthanplannedbecauseofthesmog.OneofthemsaidThevisibilityissopoorthatwecan’ttakegoodphotosorevenseeclearly.We’dbetterleaveearly.Asforworseningairconditionstravelagencieshavealsotakensomemeasurestoavoidafurtherfallintouristnumbers.AnemployeewithChinaYouthTravelServiceWangTaosaidtheagencywillinformtouristsoftheweatherconditionsattheirdestinations目的地.A.tourguidewithChinaTravelServicealsotoldthemediathatitwasatourguide’sdutytoinformforeignvisitorsofthesmogconditionsinBeijingandtheagencywouldprovidefreefacemaskstothoseinneeD.Butworktodosoonlytreatsthesymptom症状ratherthanthediseaseitselfbecausetherootcauseisairpollution.Chinawillintroducevariousemergencyresponsesandlong-termmeasuresagainstairpollution.Officialsandexpertscalledforcombinedworkbygovernmentindustriesandthepublictocooperatemoreefficientlyandtotogethersolvetheproblem.51.InthefollowingstatementswhichoneisTRUE?A.ThetourisminBeijingwashardlyaffectedbythesmoggyweather.B.NotboththeGreatWallandPalaceMuseumhadbeenaffectedbythesmog.C.TheconcentrationofPM2.5hasrisenbutitwillnotdecreasesoon.D.AccordingtothedatabytheBeijingTourismWebsitewecan’tknowtheinformation.52.AccordingtothepassageiftheweatherisfinehowmanyvisitorswillthePalaceMuseumreceiveinaweek?A.About11200.B.About78400.C.About40000.D.About280000.53.Themosteffectivewaytosolvetheproblemofairpollutionisto______.A.takesomemeasuresoftreatingthesymptomonlyB.unitethepowerofgovernmentindustriesandthepublicC.givefreefacemaskstothoseinneedD.warntouristsoftheweatherconditionsaheadoftime54.Themainpurposeofthisnewsreportisto_______.A.introducethetourismsituationofBeijingB.explainthemaincauseofairpollutionC.introducetheinfluenceofsmogontourismofBeijingandsomemeasurestosolvetheproblemD.introducethemeasurescarriedouttoimprovetheairquality
Worriedabouthowmanycaloriesyouwillgetinthatpieceofpizzachocolatecakeorbagofchips?A.newiPhoneapplication应用程序MealSnapmayhelp.Usersjustneedtotakeapictureofthemealwiththephoneanditwillgiveacalorieread-outalmostimmediately.MealSnapwasdevelopedbyDailyBurnahealthsocialnetworkthatfocusesonhelpingitsusersleadhealthierlifestyles.Ithascreatedseveralotherhealthanddiet-relatediPhoneapplications.Theapplicationgivesusersaquickreply.Todothatitmatchesthetakenpicturetoadatabank数据库withthecalorieinformationofnearly500000kindsoffooD.UsersthengettherangeofcaloriesforthemealthatisphotographeD.Westartedwithsomethingsimple—anapplE.A.coupleofminuteslatertheapplicationrepliedthatitwasanappleandbetween64and96calories.Moreimpressivewasthereplywereceivedaftersendingaphotoofamixedsaladbowl.MealSnaprepliedthatthebowlcontainedyellowricewithcornboiledeggsandbeansandthatthefoodwasbetween532and789calories.Mr.SmithdirectorofDailyBurnsaidthatusualcaloriecountingneededalongtimebutthattheapplicationmadeiteasiertoknowthecaloriesinfooD.Thatiswhyitissopopularamongthosewhoaretryinghardtoloseweight.InadditionMealSnapcanactasafooddiary.Noneedtowritedownwhatthey’veeatenthephotoeswillbestoreD.Theuserscankeepavisuallog视觉的记录.Mr.Smithsaidit’slikeafoodjourneybuteasier.AllyoudoistotakethepicturE.Thesimpleactofrecordingsomethingcancauseapsychological心理的changethatcanhelppeopleontheirhealthjourney.KnowingthecalorierangemakesmethinkmoreaboutwhatI’meating.33.ThepurposeofDailyBurnisto________.A.helppeoplefindwaystoloseweightB.makeiPhonemorepopularC.helppeoplehaveahealthylifeD.persuadepeopletobuyiPhoneproducts34.Whatcanbelearnedfromthethirdparagraph?A.MealSnapisonlyusefulforsimplethings.B.MealSnapcanalsotellwhatthefoodis.C.TheresultofMealSnapisn’talwaysright.D.MealSnapneedsalongtimetoshowthecalorierangE.35.WhichofthefollowingstatementsaboutMealSnapisTRUE?A.Ithasbeenputintothemarket.B.Peoplewillhaveaphysicalchangebyusingit.C.It’spopularbecauseitwasdevelopedbyDailyBurn.D.PeoplehavetolinkiPhonewiththeInternettouseit.
Ifyoucouldtravelintimewherewouldyougo?PerhapsyouwouldwatchanoriginalperformanceofaShakespeare’splayinElizabethanEngland?WhatabouthangingoutwithLaoziintheSpringandAutumnPeriod?Ormaybeyou’dvoyagefaraheadofthepresentdaytoseewhatthefutureholds.Thepossibilityoftimetravelisindeedappealing.Storiesexploringthesubjecthavebeenaroundforhundredsofyears.PerhapsthebestknownexampleissciencefictionnovelTheTimeMachinewhichwaswrittenbyH.G.Wellsandpublishedin1895forthefirsttimE.Itwasadaptedintoatleasttwofeaturefilmsofthesamenameaswellastwotelevisionversionsandalargenumberofcomicbookadaptations.Itisgenerallycreditedwiththepopularizationoftheconceptoftimetravelusingavehiclethatallowsanoperatortotravelpurposefullyandselectively.ThetermtimemachinecoinedbyWellsisnowuniversallyusedtorefertoavehicletransportingpeopleintothefarfuturE.Butcouldtimetravelactuallybepossible?Somescientistssayyesintheory.Theyproposeusingcracksintimeandspacecalledwormholeswhichcouldbeusedasshortcutstootherperiods.Einstein'stheoryofrelativityallowstimetravelinextremecircumstances.AndBritishphysicistStephenHawkingsaysyoucouldtravelintothefuturewithareallyfastspaceship—goingatnearlythespeedoflight.Thoughbuildingsuchaspaceshipwouldofcoursebenosimpletask.Evenifyoucouldtravelintothepastthereissomethingcalledthegrandfatherparadox.Itaskswhatwouldhappenifatimetravelerweretogobackintimeandhavehisowngrandfatherkilledforsomereasonandthereforepreventhimselffrombeingborn.Ifthetimetravelerwasn'tbornhowwouldhetravelbackintime?Andwouldyoureallyliketovisitthefuture?InH..G.Wells'bookthemaincharactertravelsintodistanttimewherehearrivesatabeachandisattackedbygiantcrabs.Hethenvoyages30millionyearsintothefuturewheretheonlylivingthingisablackobjectwithtentacles触角.Ifthat'swhat'sinstoremaybewearebetterjustlivinginthepresentdayafterall.32.ThenovelTheTimeMachinementionedinParagraph2aimstoshow___________.A.People'sinterestintimetravelB.thespecialfeatureofthebookC.thelonghistoryoftimetravelD.thecontributionofH..G.Wells33.Einstein'sandHawking'stheories_________.A.havesimilaritiesinmanywaysB.pushtheinventionofthefirstspaceshipC.haveprovedwrongbysometimetravelersD.suggestthepossibilitytoinventthetimemachine34.InParagraph4grandfatherparadoxprobablyreferstotheideathat__________.A.thetravelerispreventedfrommeetinghisgrandfatherB.thetravelergoesbackintimetoseekforhisgrandfatherC.thegrandfather'sdeathmakesthetraveler'sbirthimpossibleD.Thereunionofthetravelerandhisgrandfatherbringshappiness35.Accordingtothepassagewhatisprobablytheauthor'sattitudetowardstimetravel?A.UnclearB.SkepticalC.SupportiveD.Unconcerned.
Thiscouldbetheperfectgiftforthepartnerwhoembarrassesyouonthedancefloor.Smartsockswhichcanteachtodancemaybetheanswerforanyonewithtwoleftfeet.Thesockshavebeendevelopedasarunningtooltohelprunnersimprovetheirskills.Thankstothesocksuserscanaccurately精确地recordnotonlyknowfarandfasttheyrunbutalsohowwell.Itmeanstheusermaximizes最大化theirperformanceandreducesdamagetobodyandpreventshurt.Thehi-techsocksaremadeofspecialfibers纤维thatwatchthemovementsofyourfeet.Theylookfeelandcanbewashedlikenormalclothes.Sensorsrecordeachmovementandsenditbyanankletransmitter脚踝发射器toasmartphonE.Thenavirtualcoachapplicationshowstheinformationandcantelltheuserwhattheyaredoingwrongandhelptoimproveskillinanytaskwithfeet.Thesocksshouldbeusefultoathletesandweekendjoggers.PeoplethinkrunningissoeasyandofcourseeverybodycandoitbutnotnecessarilysafelyandwellDrDavideViganosaiD.A.recentstudyshowedthatbetween60and80percentofrunnersgothurtperyear.Thisisprettymuchmorethananyotherhumanactivity.Researcherssaythetechnologycanalsobedevelopedtoteachpeoplehowtodanceplaysportssuchgolforeventohelptoteachwomentowalkbetterinhighheels.Mr.ViganosaidPeoplecouldallbenefitfromtheideA.Wehavehadinterestfromallsortsofsportslikeskiingfootballcyclingandgolf.Anythingwhereyouhavetouseyourfeetcanuseit.Itcouldevenbeputinhighheelstohelpwomenwalkinthemsafely.Socksarejustthestartandthetechnologycouldbeusedingloveshatsandboots.Thesocksankletandsoftwarepackageareexpectedtobesoldforaround£120whichwillgoonsaleinMarch.33.Whatdoestheunderlinedpartanyonewithtwoleftfeetreferto?A.PeoplewhoaredisableD.B.Peoplewhoinventedthesocks.C.Peoplewhoarenotgoodatdancing.D.Peoplewhoareinterestedindancing.34.What’sspecialaboutfibersthatthesocksaremadeof?A.Theycanmonitorthemovementoffeet.B.Theyfeelmuchsofterthannormalclothes.C.TheyareexpensivetoproducE.D.Theyactasasmartphoneforusers.35.AccordingtoDrVigano_____A.60to80percentofrunnerswouldliketobuythesmartsocks.B.userscanrunasfastastheylikewiththesocks.C.everyonecanmakegooduseofthesmartsocks.D.norunnerswillgethurtthankstothesocks.
SirEdmundHillaryisbestknownforbeingthefirstalongwithclimbingpartnerTenzingNorgaytoreachthetopofMountEverest珠穆朗玛峰.HoweverhealsomademanyvisitstoAntarctica南极洲.In1957heledthefirsttripovericetotheSouthPolE.HillaryalsohelpedhishomecountryNewZealandbuildaresearchcenteronAntarcticacalledScottBasE.HevisiteditinJanuary2007whenhewas87yearsolD.Inthe1900smanypeoplelikeHillarysawAntarcticaasanexcitingplacE.Scientistsareinterestedinhowglaciers冰川flowandmelt.Theyalsoworrythatglobal全球的warmingismakingglaciersmeltfaster.Ithascauseda75percentincreaseinicelossinthelast10yearsaccordingtoanewstudy.ScientistssayicelosscouldcausewaterlevelsaroundtheworldtorisefasterthanexpecteD.Iceismeltingfasterthanexpectedbecauseofglobalwarming.ResearchersinAntarcticaarestudyingmanyothersubjectstoo.SomeusethecoldweatherandclearairasawaytostudythingsthataffectotherpartsoftheglobE.AntarcticahasthecleanestairintheworlD.Thatallowsscientiststocomparetheairtheretotheairinpollutedplaces.Antarcticaisthedarkestplaceonearthsoitisagreatplacetostudythestars.Somescientistsareevenstudyingpenguindroppings企鹅粪.Theyhavedevelopedanewtesttolearnmoreaboutpenguins’diets.4.WhatisSirEdmundHillarybestknownfor?A.HewasthefirsttoreachthetopofMountEverest.B.HewenttoAntarcticamanytimes.C.HeledthefirsttriptotheSouthPolE.D.HehelpedbuildaresearchcenteronAntarcticA.5.Thefinalresultofglobalwarmingisthat________.A.therewouldbenoiceB.waterlevelscouldrisefasterC.theclimatewouldbecomewarmD.theoceanwouldbepolluted6.WhoofthefollowingwouldNOTbeinterestedinAntarctica?A.Peoplewhoareinterestedinwhatpenguinseat.B.Researcherswholikewatchingstars.C.AdventurerswhodecidetoclimbMountEverest.D.Scientistswhoarestudyingtheworld’sair.7.Whichofthefollowingisthebesttitleforthepassage?A.EdmundHillary.B.Antarctica—BestPlaceforScientificResearch.C.GlobalWarming.D.StudiesonAntarcticA.
BEIJING—RisingsmartphonestarXiaomiismovingupmarketandtakingaimatApple'siPhonE.TheChinesemakerknownforlow-pricedphonesonThursdayunveiled发布anewmodelthatChairmanJunLeisaidiscomparabletoApple'siPhone6butthinnerlighterandmuchcheaper.Thephonestartsat2299yuan$375lessthanhalfthe5288yuan$865priceofaniPhone6inChinA.Xiaomifoundedin2010passedSouthKorea'sSamsungElectronicsCo.inthesecondquarteroflastyearasthebest-sellingsmartphonebrandinChinabynumberofphonessolD.ThecompanyisexpandingintoIndiaandotherdevelopingmarketsbuthasyettoannounceplanstoentertheUnitedStatesorEuropE.XiaomiisarespectedbrandthatalreadyhasanApple-likefollowinginChinasaidanalystBrianBlairwhotracksmobiledevicemakersatRosenblattSecurities.AppleisstillarelativelysmallplayerinChinasellingabout45millioniPhonestherelastyearBlairestimatesbutwillcontinuetogrow.Appleisverymuchapremium高端的brandsaidBlair.Thecompanythat'smoreatriskisSamsungwhichhasbeenlosingshareinthatmarket.Privatelyheld私人控股的Xiaomisaidlastyear'ssalestripledto61.1millionphonesandrevenue收益morethandoubledto74.3billionyuan$12.2billion.ThecompanybasedinBeijingrecentlycompletedaroundoffundraisingfrominvestorsthatitsaidvaluedXiaomiat$45billionmakingitoneoftheworld'smostvaluabletechnologybrands.XiaomiranintolegaltroubleinIndiainDecemberafteracourtblockedsaleswhileithearsacomplaintbySweden'sLMEriccsonthattheChinesecompanyviolateditspatents.InablogpostearlierthismonthLeicalledthecaseariteofpassage成年礼forayoungcompany.21.Whichofthefollowingstatementsistrue?A.XiaomisoldmorecellphonesthanSamsungin2010inChinA.B.ComparedtoXiaomiApple'siPhone6isthinnerandlighter.C.Low-priceisXiaomi'sadvantageoverApple'siPhones.D.ThecompanyisexpandingintotheUnitedStatesorEuropE.22.WhatcanbeinferredfromthepassageaccordingtoBrianBlair?A.Morethan45millioniPhoneswillbesoldthisyear.B.XiaomicanbeatAppleinthemarketofChinA.C.HethinksXiaomiissuperiortoApplE.D.Samsungwillbeclosedforlosingshareinthemarket.23.Howisthe5thparagraphdeveloped?A.Bygivingexamples.B.Byanalyzingcauseandeffect.C.ByprovidingdatA.D.Bymakingcomparisons.24.What'stheattitudeofJunLeitowardsthecaseofXiaomiinIndia?A.NegativE.B.SatisfieD.C.PositivE.D.Doubtful.
FormostcitypeopletheelevatorisanunremarkablemachinethatinspiresnoneoftheenthusiasmorinterestthatAmericansaffordtrainsjetsandevenbicycles.Dr.ChristopherWilkisamemberofasmallgroupofelevatorexpertswhoconsiderthisamisunderstanding.WithouttheelevatortheypointouttherecouldbenodowntownskyscrapersortallbuildingsandcitylifeasweknowitwouldbeimpossiblE.Inthatsensetheyarguetheelevator’sroleinAmericanhistoryhasbeennolesssignificantthanthatofcars.InfactaccordingtoWilkthecarandtheelevatorhavebeenlockedinasecretwarforoveracenturywithcarsmakingitpossibleforpeopletospreadhorizontally水平地andelevatorspushingthemtowardlifeinclosegroupsoftoweringvertical垂直的columns.Ifwetendtoignorethesignificanceofelevatorsitmightbebecauseridinginthemtendstobesuchabriefboringandevenawkwardexperience—onethatcaninvolveunexpectedlymeetingpeoplewithwhomwehavenothingincommonandanunpleasantawarenessofthefactthatwe’rehangingfromacableinalongpassagE.InanewbookLiftedGermanjournalistandculturalstudiesprofessorAndreasBernarddirectedallhisattentiontothisexperiencestudyingtheoriginsofelevatoranditsrelationshiptohumankindandfindingthatridinginanelevatorhasneverbeenatotallycomfortableexperiencE.After150yearswearestillnotusedtoitBernardsaiD.WestillhavenotexactlylearnedtocopewiththemixtureofclosenessanddispleasurE.ThatmixtureaccordingtoBernardsetstheelevatorfideapartfromjustabouteveryothersituationwefindourselvesinaswegoaboutourlives.Todayastheworld’surbanpopulationexplodesandcitiesbecomemorecrowdedtallerandmorecrowdedAmerica’stotalnumberofelevators—900000atlastcountaccordingtoElevatorWorldmagazine’s2012VerticalTransportationIndustry—areaforcethat’sbecomingmoreimportantthanever.AndforthepeoplewhoreallyreallylovethemitseemslikehightimethatwelookedseriouslyatjustwhatkindofforcetheyarE.21.WhatdoestheunderlinedwordthisinParagraph1referto?A.Thegeneralviewofelevators.B.Theparticularinterestsofexperts.C.ThedesireforaremarkablemachinE.D.Theenthusiasmfortransportvehicles.22.Theauthor’spurposeinmentioningcarsis______.A.tocontrasttheirfunctionswithelevators’B.toemphasizetheimportanceofelevatorsC.torevealtheirsecretwaragainstelevatorsD.toexplainpeople’spreferenceforelevators23.AccordingtoProf.Bernardwhathasmadetheelevatorridedifferentfromotherlifeexperiences?A.Verticaldirection.B.Lackofexcitement.C.LittlephysicalspacE.D.Uncomfortableconditions.24.Theauthorurgesreaderstoconsider______.A.theexactnumberofelevatorloversB.theseriousfuturesituationofelevatorsC.theroleofelevatorsincitydevelopmentD.therelationshipbetweencarsandelevators
ThedesertsoftheworldarenotallcoveredwithsanD.Manyofthemhavesurfacesofrockorclayorsmallstones.Theyarenotflateither.Theyoftenhavehighhillsanddeepvalleys.Thereissomeplants’lifeinmanypartsofthedesert.Thereislittleraininthedesertbutitdoesfalloftenenoughformostplants.Thedesertsoftheworldarenotuninhabitednotlivedbypeople.Peoplealsoliveoutsideoases绿洲butthesepeoplearenotfarmers.TheyhavecamelsgoatsdonkeyssheepetC.Theseanimalscanliveonthedesertplantsanddonotneedmuchwater.Thepeopleofthedeserthavetomoveconstantlyfromplacetoplacetheymustalwayslookforgrassordesertplantsfortheiranimals.Theyusuallyliveintents.WhenthereisnomorefoodfortheiranimalstheyfolduptheirtentspatthemontheircamelsanddonkeysandmovetoanotherplacE.Ingoodyearswhenthereisenoughfoodfortheiranimalstheytradetheirskinsandtheirgoatsandcamelhairswiththepeopleofoasesforwheatandfruit.ButinbadyearswhenthereisnotenoughfoodfortheiranimalsthepeopleofthedesertwouldattacktheoasespeoplE.Buttheyarealsohospitablenomaninthedesertwouldeverrefusetogiveastrangerfoodandwater.46.accordingtothepassagedesertsaremostlymadeupof_______.A.clayB.rockC.sandD.stones47.Theunderlinedwordhospitablehasthemeaningofbeing_______.A.braveB.cruelC.strangeD.kind48.Inthedesert_______.A.itrainsinspringonlyB.itrainsforashorttimeeverymonthC.thereissomerainbutfarfromenoughD.therainfallisjustenoughfortheplants49.Peoplelive_______.A.onlyinsidetheoasesB.onlyoutsidetheoasesC.bothinsideandoutsidetheoasesD.inplaceswithregularrainfalls50.Fromthepassageweknowthatlife_______.A.ishardindesertsB.ishappyindesertsC.isimpossibleindesertsD.indesertsinmuchbetter
InthehillsoutsideMissoulaMontanawildlifebiologistsarelookingathowclimatechangeaffectssomethingverysmall:thesnowshoeharE.Lifeforsnowshoeharesisprettystressful-almosteverythingintheforestwantstoeatthem.AlexKumaragraduatestudentattheUniversityofMontanaliststheanimalsthatarehungryforhares.Lynx山猫foxescoyotes土狼[even]redsquirrels松鼠.KumarandfieldtechnicianTuckerSeitzspendmonthssearchingthesewoodsforharesoftenlisteningforsignalsfromharesthey’vealreadyputradiocollars项圈on.Theycatchotherhareswithwiretraps陷阱aboutthesizeofabreadboxwithsomeapplesasbait诱饵.Mostoftheharestheytracklivelessthanayear—ahazard风险ofbeingwhatKumarcallsthecheeseburgeroftheecosystem.Butsnowshoehareshaveaspecialskill:camouflage.They’rebrownduringthesummerbutturnwhiteforthesnowywintermonths.There’retimeswhenyou’retrackingthemandyouknowthey’rereallyreallycloseandyoujustcan’tfindthemhesays.Haresswitchcolorinthespringandfallinresponsetolightwhenthedaysgetlongerorshorter.ButifthesnowcomeslateyougetawhitehareonbrowngrounD.Andtheyreallythinkthatthey’recamouflagedKumarsays.Theyactlikewecan’tseethem.Kumarcallsthismismatchingandit’sbecomingmoreofaconcernwithclimatechangE.Iftheharesareconsistentlymolting脱毛atthesametimeyearafteryearandthesnowfallcomeslaterandmeltsearlierthere’sgoingtobemoreandmoretimeswhenharesaremismatchedhesays.ScottMillsofNorthCarolinaStateUniversityleadstheresearch.Hesaysthey’refindingthatmismatchedharesdieathigherrates.That’saconcernforthethreatenedCanadalynxwhichmainlyeatsthesehares.It’saveryclearconnectiontoasingleclimatechangestressorMillssays.HaresmightbeabletoadaptovertimE.SomesnowshoeharesinWashingtonStatedon’tturnwhiteatall.Millsistryingtofigureoutwhetherharesandotherwildlifecanadaptasfastastheclimateischanging.Buthowfastistoofast?heasks.24.AlexKumarandhisclassmatescatchsnowshoeharesinordertofindout.A.thehares’naturalenemiesB.theinfluenceofclimatechangeonthehares’livesC.whythehareschangefurcolorsregularlyD.howtheecosysteminthewoodsworks25.ThewordcamouflageParagraph6isclosestinmeaningto.A.hidingB.escapingC.fightingD.scaring26.Accordingtothepassagesnowshoeharescannowbeeasilydiscoveredbytheirenemiesbecausethey.A.changetheirfurcolortowhitetoolateB.haven’tadaptedtoclimatechangeC.cannolongeradapttothechangeoflightinspringandfallD.finditmoreandmoredifficulttomoltatthesametimeeachyear27.WhichbestdescribesMills’toneinthepassage?A.Approving.B.ConcerneD.C.EnthusiastiC.D.Doubtful.
PersonalRobotMakeyourparentsandteachershappy!Areyouhavingproblemsfinishingyourhomeworkontime?Doyouavoidtidyingyourroomuntilyourmomshoutsatyou?Youdon’tneedtoworryifyoubuyaMr.HelpingHandpersonalrobot.Mr.Hcanbeprogrammedtoorganizeyourhomework.YourownpersonalrobotwillfollowyouaroundputtingawaybooksandobjectsthatyouhaveleftonthefloororbeD.Mr.Halsohasthesefeatures特点●weighsonly500grams●includeslong-lastingbatteries●comeswitha5-yearguarantee●rememberssimpleinstructionsOriginally最初soldfor$499NOWONLY$299BUYNOWWATCHCONTROLThisisawatchthatJamesBondwouldbeproudtowear!ThisisNOTawatchforordinarypeople!YourelectronicPENGOWATCHCONTROLØactsasaremotecontrolforTVsandvideos.Øgivesyouadailyweatherforecast.Øremindsyouwhentohandinyourhomework.Øsetsoffasilentwarningalarmwhenparentsorteachersarenear.BesidesyourPENGOWATCHCONTROLwillalwaystellyouthetimeaccurately!Originallysoldfor$199NOWONLY$99Forfurtherinformationclickhere.25.WithhelpfromaMr.Hyoucan_______.A.stopusingbatteriesB.getyourroomtidiedonyourwayhomeC.rememberyourteacher’sinstructionsD.finishyourhomeworkontime26.IfyoubuyaPENGOWATCHCONTROLnowyoucansave_______.A.$99B.$100C.$200D.$19927.Wherewouldyoubemostlikelytofindthetwotexts?A.OnanoticeboardB.InacompanybrochurE.C.OnateenagewebsiteD.Inacollegenewspaper.
Whenhumansandnaturegoheadtoheadnatureoftenendsuplosing.RiversgetpolluteD.Treesareknockeddown.Naturalresourcesareusedup.That’swhatmakestheGalapagosIslands加拉帕格斯群岛sospecial–it’soneofthefewplacesontheEarththatnaturecantrulycallitsown.AvisittotheGalapagosisarealeye-openingexperiencE.Over1600kmwestofEcuador厄瓜多尔theislandsarehometoauniquevarietyofanimalsthathaveabsolutelynofearofpeoplE.Visitorscanplayonthebeachwithsealionsandgiantseaturtlesswimwithdolphinsandwhalesandgetcloseenoughtothepenguinstocounttheeggsintheirnests.Theislandsweredeclaredanationalparkover40yearsagoandthenumberofhumanvisitorsistightlylimitedtoavoiddamagingtheenvironmentorputtingstressontheanimals.Touristshavetopay$100forthedailyfeeandcan’tstepofftheboatunlessaccompaniedbyanofficialguidE.Onceontheislandsyouhavetostayonthespecialcar.Theanimalsaresocuriousaboutpeoplethatthey’llusuallycomeuptosayhello.It’salittlelikebeinginazoosaidonetraveler.Butinsteadofuslookingattheanimalstheanimalsarelookingatus.Besidesthewildlifeoneoftheislands’moreunusualfeaturesisitspostofficE.Youcansendpostcardsforfreebuttheproblemisthatthere’snopostmantocollectthem.Insteadtravelerspickupmailaddressedtopeoplewholivenearthembackhomeandthenhand-deliverthepostcardswhentheirtripisfinisheD.21.TheGalapagosIslandsare_______.A.terriblypollutedB.intheAtlanticOceanC.nearEcuadorD.independentofEcuador22.WhichanimalisNOTmentionedinthepassage?_______.A.WhalesB.SealionsC..DolphinsD.Goats23.OntheGalapagosIslandsthemailisdeliveredby_______.A.thegovernmentB.thepostofficeC.thetouristsD.theguides24.Whatwouldbethebesttitleforthepassage?_______.A.HumanandNatureB.A.SpecialZooC.GoHeadtoHeadD.Ecuador–AnIslandCountry25.Whatisoneoftheislands’moreunusualfeatures?_______.A.TherearesomepostmentocollectlettersB.ThereareonlythewildanimalsontheislandsC.YouneedtobuystampstosendlettersD.Travelersdeliverthelettersbythemselves
Laptopcomputersarepopularallovertheworld.Peopleusethemontrainsandairplanesinairportsandhotels.Theselaptopsconnectpeopletotheirworkplace.IntheUnitedStatestodaylaptopsalsoconnectstudentstotheirclassrooms.WestlakeCollegeinVirginiawillstartalaptopcomputerprogramthatallowsstudentstodoschoolworkanywheretheywant.Withinfiveyearseachofthe1500studentsatthecollegewillreceivealaptop.Thelaptopsarepartofa$10millioncomputerprogramatWestlakea110-year-oldcollege.ThestudentswithlaptopswillalsohaveaccesstotheInternet.Inadditiontheywillbeabletousee-mailtospeakwiththeirteacherstheirclassmatesandtheirfamilies.Howeverthemostimportantpartofthelaptopprogramisthatstudentswillbeabletousecomputerswithoutgoingtocomputerlabs.Theycanworkwithitathomeinafast-foodrestaurantorunderthetrees—anywhereatall!Becauseofthemanychangesincomputertechnologylaptopuseinhighereducationsuchascollegesanduniversitiesisworkable.Aslaptopsbecomemorepowerfultheybecomemoresimilartodesktopcomputers.InadditiontheportablecomputerscanconnectstudentstonotonlytheInternetbutalsolibrariesandotherresources.Statehigher-educationofficialsarestudyinghowlaptopscanhelpstudents.Stateofficialsarealsotestinglaptopprogramsatotheruniversitiestoo.AtWestlakeCollegemorethan60percentofthestaffusecomputers.Thelaptopswillallowallteacherstousecomputersintheirlessons.AsoneWestlaketeachersaidHereweareinthemiddleofVirginiaandwe’regivingstudentsawindowontheworld.Theycanseeeverythinganddoeverything.1.Themainpurposeofthelaptopprogramistogiveeachstudentalaptopto_______.A..connectthemtolibrariesB..accesstheInternetC..workathomeD..usefortheirschoolwork2.WhichofthefollowingistrueaboutWestlakeCollege?A..AllteachersusecomputersB..1500studentshavelaptops.C..ItisanoldcollegeinAmerica.D..Studentstherecandoeverything.3.Awindowontheworldinthelastparagraphmeansthatstudentscan_______.A..attendlecturesoninformationtechnologyB..travelaroundtheworldC..havefreelaptopsD..getinformationfromaroundtheworld4.Whatcanweinferfromthepassage?A..Theprogramissuccessful.B..TheprogramisnotworkablE.C..Theprogramistooexpensive.D..Wedon’tknowtheresultyet.
ArareexampleofprehistoricrockarthasbeenuncoveredinRoss-shirE.Archaeologistsmadethediscoverywhilemovingarockdecoratedwithancientcupandringmarkstoanewlocation.Whentheyturnedthestoneovertheyfoundthesamemarksontheothersideoftherock.ItisoneofonlyafewdecoratedstonesofitskinD.SusanKrusefirstdiscoveredthestoneseveralyearsagowhenoutwalking.ThesecondsetofcupandrightmarkswereuncoveredrecentlywhenarchaeologistsweremovingthestonetoanewsitE.DatingfromtheNeolithicorBronzeAgetheartwascreatedbetween4000and5000yearsago.Archaeologistsbelievethemarkingsmayhavebeenmadeforanumberofreasons.Thesesincludeforrituals仪式ormappingthestars.Theycouldevenbethedoodlings涂鸦ofboredancientshepherds.MsKrusesaid:Findingcupandringdecorationontheoppositesidehasraisedanumberofquestions.‘Wasthedecorationmeanttobeviewedfrombothsidesorwasonedecoratedsidedeliberatelyplacedfacedown?Orwasthestonecarvedatdifferenttimes?’JohnWombellwhoisleadingaprojecttorecordrockartsaiditwasanimportantdiscovery.HesaidAlthoughsomestonesaredecoratedondifferentfacesIonlyknowofafewotherstoneswithdecorationonoppositesides.ThearchaeologistsaidmostboulderswithmarkingsweretooheavytoturnovertofindoutiftheyweredecoratedonthereversesidE.Thestoneinthenewdiscoverywasmovedbyfarmersabout200yearsagowhentheyuseditforbuildingsomething.ThereisagroupofrockartinthelocalareA.RoundhousesdatingtotheBronzeandIronAgeshavealsobeenfounD.Inadditionafarmeruncoveredthejewellerywhileploughingafieldinthe1960s.32.Inwhatwaywastheprehistoricrockartfound?A.WhensomefarmerswereturningoverastonE.B.WhenagroupofresearcherswerehangingarounD.C.Whenanarchaeologistwasstudyinganancientrock.D.WhenarchaeologistsweregettingarockmovedtoanewsitE.33.Whichmaynotbethereasonforthemarksonthestone?A.Thedrawingofthestars.B.A.certainkindofceremony.C.Thecarvingsofdifferenttimes.D.A.sheepherderwhofelttiresomE.34.AccordingtoJohnWombell_________.A.thediscoveryaroundwideattention.B.thedecoratedstonesaretimelyspotteD.C.variousfaceswerefoundcarvedonthestones.D.notalluncoveredstoneshaddecorationoneachsidE.35.Whatcouldbethebesttitleofthetext?A.A.WorthyDiscoveryB.AnAncientArtC.A.RemarkableContributionD.A.ControversialStone
Plantswereexpectedtogetlargerwithincreasedcarbondioxideintheatmospherebutchangesintemperaturehumidity湿度andnutrientavailabilityseemtohavetrumped胜过thebenefitsofincreasedcarbondioxidesaidresearchersfromtheNationalUniversityofSingaporE.45percentofthespeciesstudiednowreachsmalleradultsizesthantheydidinthepast.Theresearcherspointedoutthatwarmertemperaturesandchanginghabitatscausedbyclimatechangearepossiblereasonsfortheshrinkingofcreatures.Wedonotyetknowtheexactmechanisms机制involvedorwhysomeorganismsaregettingsmallerwhileothersareunaffectedtheresearcherssaiD.Untilweunderstandmorewecouldberiskingnegativeconsequencesthatwecan'tyetquantify.Thechangeisbigincoldbloodedanimals.Onlytwodecadesofwarmertemperaturesareenoughtomakecreaturessmaller.Anincreaseofonly1℃causesnearlya10percentincreaseinmetabolism新陈代谢.Greateruseofenergyresultsintinytortoisesandlittlelizards.Fisharesmallernowtoo.Thoughoverfishinghasplayedapartinreducingnumbersexperimentsshowthatwarmertemperaturesalsostopfishgrowing.Warmbloodedanimalsaren'timmune免除fromthesizechangecausedbyclimatechangE.Manybirdsarenowsmaller.Reddeerareweaker.Andpolarbearsaresmallercomparedwithhistoricalrecords.Thisisn'tthefirsttimethathashappenedinEarth'shistory.55millionyearsagoawarmingeventsimilartothecurrentclimatechangecausedbeesspidersandantstoshrinkby50to75percentoverseveralthousandyears.ThateventhappenedoveralongertimethanthecurrentclimatechangE.Thespeedofmodernclimatechangecouldmeanorganismsmaynotrespondoradaptquicklyenoughespeciallythosewithlonggenerationtimes.SoitislikelythatmorenegativeinfluencesofclimatechangewillbeshowninthefuturE.33.WhatdoesthetextmainlytalkaboutA.Whysomespeciesbecomesmaller.B.HowclimatechangesinEarth'shistory.C.Climatechangehasmanynegativeeffects.D.Speciesarebecomingsmallerasclimategetswarmer.34.ResearchersfromtheNationalUniversityofSingaporebelievethat________.A.theyhavefoundtheexactcausesforcreaturesgettingsmallerB.increaseinenergyusecanleadtocreaturesgettingsmallerC.climatechangehasmorenegativeeffectsonwarmbloodedanimalsD.alltheanimalsontheearthhavebecomesmaller35.WhatdoestheauthorfeelabouttheclimatechangeA.WorrieD.B.OptimistiC.C.DisappointeD.D.Shameful.
AccordingtotheUSgovernmentwindfarmsoffthePacificcoastcouldproduce900gigawattsofelectricityeveryyear.Unfortunatelythewaterthereisfartoodeepforeventhetallestwindmillstotouchbottom.AnexperimentunderwayoffthecoastofNorwayhowevercouldhelpputthemanywhere.TheprojectcalledHywindistheworld’sfirstlarge-scaledeepwaterwindturbine涡轮发电机.Althoughitusesafairlystandard152-ton2.3-megawattturbineHywindrepresentstotallynewtechnology.Theturbinewillbefixed213feetabovethewateronafloatingsparatechnologyHywind’screatortheNorwegiancompanyStatoilHydrohasdevelopedrecently.Thesteelsparwhichisfilledwithstonesandgoes328feetbelowtheseasurfacewillbetiedtotheoceanfloorbythreecables;thesewillkeepthesparstableandpreventtheturbinefrommovingupanddowninthewaves.Hywind’sstabilityinthecoldandroughseawouldprovethateventhedeepestcornersoftheoceanaresuitableforwindpower.IfallgoesaccordingtotheplantheturbinewillstartproducingelectricitysixmilesoffthecoastofsouthwesternNorwayasearlyasSeptember.ToproduceelectricityonalargescaleacommercialwindfarmwillhavetousebiggerturbinesthanHywinddoesbutit’sdifficultenoughtobalancesuchalargeturbinesohighonafloatingsparinthemiddleoftheocean.Tomakethatturbineheavierthewholespar’scenterofgravitymustbemovedmuchclosertotheocean’ssurface.Todothatthecompanyplanstodesignanewkindofwindturbineonewhosegearbox变速箱sitsatsealevelratherthanbehindtheblades.Hywindisatestrunbutthebenefitsforperfectingfloatingwind-farmtechnologycouldbeextremelylarge.Outatseathewindisoftenstrongerandsteadierthanclosetoshorewhereallexistingoffshorewindmillsareplanted.Deep-seafarmsareinvisiblefromlandwhichhelpsovercomethewindmill-as-eyesoreobjection.Ifthetechnologycatchesonitwillopenupvastareasoftheplanet’ssurfacetooneofthebestlow-carbonpowersourcesavailable.1.TheHywindprojectusestotallynewtechnologytoensurethestabilityof_________.A..thecableswhichtiethespartotheoceanfloorB..thesparwhichisfloatingindeep-seawaterC..thebladesdrivenbystrongandsteadyseawindD..thestonesfilledinthesparbelowtheseasurface2.Tobalanceabiggerturbinehighonafloatingsparanewtypeofturbineistobedesignedwithitsgearboxsitting_________.A..ontheseafloorB..onthespartopC..atsealevelD..behindtheblades3.Wideapplicationsofdeepwaterwindpowertechnologycan_________.A..solvethetechnicalproblemsofdeepwaterwindmillsB..makefinancialprofitsbyproducingmoreturbinesC..settletheargumentsaboutenvironmentalproblemsD..explorelow-carbonpowerresourcesavailableatsea
Thiscouldbetheperfectgiftforthepartnerwhoembarrassesyouonthedancefloor.Smartsockswhichcanteachtodancemaybetheanswerforanyonewithtwoleftfeet.Thesockshavebeendevelopedasarunningtooltohelprunnersimprovetheirskills.Thankstothesocksuserscanaccurately精确地recordnotonlyknowfarandfasttheyrunbutalsohowwell.Itmeanstheusermaximizes最大化theirperformanceandreducesdamagetobodyandpreventshurt.Thehi-techsocksaremadeofspecialfibers纤维thatwatchthemovementsofyourfeet.Theylookfeelandcanbewashedlikenormalclothes.Sensorsrecordeachmovementandsenditbyanankletransmitter脚踝发射器toasmartphonE.Thenavirtualcoachapplicationshowstheinformationandcantelltheuserwhattheyaredoingwrongandhelptoimproveskillinanytaskwithfeet.Thesocksshouldbeusefultoathletesandweekendjoggers.PeoplethinkrunningissoeasyandofcourseeverybodycandoitbutnotnecessarilysafelyandwellDrDavideViganosaiD.A.recentstudyshowedthatbetween60and80percentofrunnersgothurtperyear.Thisisprettymuchmorethananyotherhumanactivity.Researcherssaythetechnologycanalsobedevelopedtoteachpeoplehowtodanceplaysportssuchgolforeventohelptoteachwomentowalkbetterinhighheels.Mr.ViganosaidPeoplecouldallbenefitfromtheideA.Wehavehadinterestfromallsortsofsportslikeskiingfootballcyclingandgolf.Anythingwhereyouhavetouseyourfeetcanuseit.Itcouldevenbeputinhighheelstohelpwomenwalkinthemsafely.Socksarejustthestartandthetechnologycouldbeusedingloveshatsandboots.Thesocksankletandsoftwarepackageareexpectedtobesoldforaround£120whichwillgoonsaleinMarch.33.Whatdoestheunderlinedpartanyonewithtwoleftfeetreferto?A.PeoplewhoaredisableD.B.Peoplewhoinventedthesocks.C.Peoplewhoarenotgoodatdancing.D.Peoplewhoareinterestedindancing.34.What’sspecialaboutfibersthatthesocksaremadeof?A.Theycanmonitorthemovementoffeet.B.Theyfeelmuchsofterthannormalclothes.C.TheyareexpensivetoproducE.D.Theyactasasmartphoneforusers.35.AccordingtoDrVigano_____A.60to80percentofrunnerswouldliketobuythesmartsocks.B.userscanrunasfastastheylikewiththesocks.C.everyonecanmakegooduseofthesmartsocks.D.norunnerswillgethurtthankstothesocks.
Cyberspace网络空间hasgivenrisetoanewsocialchangewherepeoplemakefriendsfromacrosstheworldbutknowlittleabouttheirnext-doorneighbors.Thisworriescritics批评家butsomeoftenfindanInternetfriendshipmorepleasant.TakeBobforexamplE.Hisneighbordoesn’tknowanythingaboutgardeningbuthisinstantmessagingfriendGr33nThumdoes.BesidesGr33nThumdoesn’tdothatannoyingsoundwhenhetalks.ThosepeoplelikeBobhavelongbeencriticizedfortheirlackofnecessarysocialskills.Criticsthinkpeoplealmostforgethowtonaturallycommunicatewiththeirneighborscreatingasocialnetworkofstrangers.HoweverareportentitledTheStrengthofInternetTiesprovidesadifferentopinion.SociologistsaresuggestingthattheInternethelpsdevelopsocialnetworksandmakeuseofthemwhenitmattersmost.FriendsoftenmovE.Askidsourfriends’parentsmoveaway.Asadultswemoveawaytocollegeorforwork.CommunicativetoolshavemadelosingtouchtheresultoflazinessnotdistancE.Thelargerandthemorediverse多样aperson’snetworkthemoreimportante-mailisarguesJeffreyBoasewhoco-authoredthereport.Youcan’tmakephonecallsorpersonalvisitstoallyourfriendsveryoftenbutyoucankeepintouchwiththemregularlywiththehelpoftheInternet.Thatturnsouttobeveryimportant.InadditiontoexpandingandstrengtheningthesocialtiespeoplekeepintheofflineworldInternetande-mailprovideasocialandinformationalsupportgroupthathelpspeoplemakedifficultdecisionsandfacechallenges.InternetuseprovidesonlineusersapathtoresourcessuchasaccesstopeoplewhomayhavetherightinformationtohelpdealwithfamilyhealthproblemsorfindanewjobsaysJohnHorriganauthorofthereport.TheInternetcreatesanewbasisforcommunity.Ratherthanrelyingonasinglecommunityforsocialsupportpeopleoftenmustactivelyseekoutavarietyofappropriatepeopleandresourcesfordifferentsituationssaysco-authorBarryWellman.32.Criticsthinkthatmakingfriendsonline_______.A.exposesInternetuserstodanger.B.leadstocoldnessbetweenpeopleC.causesdistrustbetweenneighborsD.resultsinthedyingoutofsocialskills33.JeffreyBoasearguesthattheInternet_______.A.makespeoplelazierthanbeforeB.ishelpfulinbringingneighborstogetherC.ismoreimportantthantheofflineworldD.makesiteasierforpeopletostayconnected34.AccordingtoJohnHorriganInternetusersbenefitalotfromsocialnetworksbecause_______.A.theycangetthelatestinformationonlineB.peopleintheonlineworldaremorereliableC.therearemanyonlinejobsavailableforthemD.theyaremorelikelytogethelpwhenintrouble35.Whatwouldbethebesttitleforthetext?A.ThevalueofcyberfriendshipB.TheimportanceoffriendshipC.ThenewwayofcommunicationD.ThedevelopmentoftheInternet
MorethanfourdecadesagoBritishscientistRobertEdwardsfirstwitnessedthemiracleofhumanlifegrowinginsideatesttubeathisCambridgelaB.Sincethatground-breakingmomentmorethanfourmillionbabieshavebeenbornthroughIVFandin2010hisgreatcontributiontosciencewasfinallyrecognizedashewasawardedtheNobelPrizeformedicine.TheprizeforDrEdwardswhowasgivenaDailyMirrorPrideofBritainAwardin2008includes£900000chequE.TheNobelAssemblydescribedIVFasamilestoneinmodernmedicine.WiththehelpoffellowscientistPatrickSteptoetheManchester-bornphysiologistdevelopedIVF—leadingtothebirthoftheworld'sfirsttesttubebaby.DrSteptoedied10yearslaterbuttheirworkhastransformedfertili--tytreatmentandgivenhopetomillionsofcouples.Itwasascientificbreakthroughthattransformedthelivesofmillionsofcouples.Theysaid:Hisachievemen--tshavemadeitpossibletotreatinfertilityadiseasewhichmakeshumanunabletohaveababy.Thisconditionhasbeenafflictingalargepercentageofmankindincludingmorethan10%ofallcouplesworldwidE.LouiseBrowntheworld'sfirsttesttubebabymadeinternationalheadlineswhenshewasborninOldhamGtrManchesterin1978toparentsLesleyandJohnwhohadbeenfruitlesslytryingforababysince1969.Ivf-in-vitrofertilisationistheprocesswherebyeggcellsarefertilisedoutsidethebodybeforebeingimplantedinthewomB.AfteracycleofIVFtheprobabilityofacouplewithinfertilityproblemshavingababyisoneinfive—thesameashealthycoupleswhoconceivenaturally.ProfessorEdwardswhohasfivedaughtersand11grandchildrenbeganhisresearchatCambridgeUniversityin1963afterreceivinghisPhDin1955.Heoncesaid:ThemostimportantthinginlifeishavingachilD.Noth--ingismorespecialthanachilD.WiththehelpoffellowscientistPatrickSteptoeProf.EdwardsfoundedtheBournHallclinicinCambridgeshirewhichnowtreatsmorethan900womenayear.Eachyearmorethan30000womeninBritainnowundergoIVFand11000babiesarebornasaresultofthetreatment.ButhisworkattractedwidespreadcriticismfromsomescientistsandtheCatholicChurchwhosaiditwasunethicalandimmoral.MartinJohnsonprofessorofreproductive生殖的sciencesattheUniversityofCambridgesaidtheawardwaslongoverdue.Hesaid:Wecouldn'tunderstandwhytheNobelhascomesolatebutheisdelighted—thisisthecherryonthecakeforhim.ProfessorEdwardswastooilltogiveinterviewsbutastatementreleasedbyhisfamilysaidhewasthrilledanddelighted.50.WhatisRobertEdwards’contributiontoscience?A.Challengingadiseasewhichstopshumanhavingababy.B.Seeingthewonderofthefirsttubebabygrowing.C.Enablingmillionsofcouplestoliveabetterlife.D.Helpingcoupleswithinfertilitytohavetubebabies.51.WhatdoestheunderlinedwordafflictingParagraph4mostprobablyreferto?A.Troubling.B.Developing.C.Improving.D.Confusing.52.WhydidProfessorEdwardsbeginhisresearchontubebaby?A.Becausehethoughtitofgreatsignificancetohaveachildinlife.B.Becausethebirthratearoundtheworldwasunexpectedlylowthen.C.Becauseaspecialchilddidmakeadifferencetoanordinaryfamily.D.Becausehisfellowscientistwantedtogivehopetotheunluckycouples.53.ItcanbeinferredfromParagraph8andParagraph9that___________.A.somepeopleenviedProfessorEdwardsforhisbeingawardedB.differentopinionswerevoicedonProfessorEdwards’findingC.ProfessorEdwardsdeservedtheprizeforhisbreakthroughD.theprizewaslatebecausethefindingwasfirstconsideredimmoral54.Whatmightbethebesttitleforthepassage?A.LifeStoriesofRobertEdwardsB.PreparationsforHavingaBabyC.NobelPrizeforIVFExpertEdwardsD.TreatmentofInfertilityinaLab
WhenyouwatchTVprogramsaboutwildanimalsitissurprisingtoseehowanantelopecanescapealion’sattack.Inthewildernesseveryonehasastunt绝招.Evenplantshavetheirownwaysoffightingoffenemies.Overmillionsofyearsofevolution进化plantshavedevelopedauniquedefencesystem防卫系统.Chemicalsarewidelyusedforsurvival.Bymakingtheirleavesflowersrootsandfruitspoisonous有毒的toenemiesplantscanfightback.OnesuchplantistheGoldenWattletreeBritishscientistDavidCaneronhasfoundwhenananimaleatsthetree’sleavestheamount数量ofpoisonincreaseintheotherleaves.It’sliketheinjuredleavestelephoningtheotherstellingthemtofighttogetheragainsttheenemyhesaiD.Thetreealsosendsdefencemessagestoneighboringplantsbygivingoutaspecialsmell.GoldenWattletreesinthenearby45meterswillgetthemessageandproducemorepoisonwithin10minutes.Nowifanenemyeatstoomanyofthetrees’leavesitwilldiE.Everyspeciesofplantortreeisgoodatproducingaspecialsetofchemicals.A.herbivorethatcansafelyeattheleavesofonetreemaybepoisonedbyitsneighbor.Inthiswayplantshavedevelopednotonlytheirowndefencesystembutalsosharedwithothers.Thismakesitimpossibleforasingleanimaltodestroyevenasmallareaofforest.43.Whichofthefollowingcanbethebesttitleofthepassage?A.PlantsFightBackWithPoisonsB.PlantsCanKillAnimalsC.AnimalsandPlants.D.LionsandAntelopes44.AccordingtothestudyifoneGoldenWattletreeisattackedbyanimalsitcan________.A.tellothertreestoprotectitB.producemorepoisonwithin10minutesC.sentdefencemessagestotheneighboringplantsD.killtheanimalswithitsleaves45.Inthispassagetheunderlinedwordherbivoreprobablymeansanimalswhich.A.liveonbothanimalsandplantsB.feedonsmalleranimalsC.liveontreesD.feedonplantsorgrass.
Untiltheinventionofthesteamenginehumanstravelledtheearthonfoot.Theslowtravelmeantexplorersfrequentlyreturnedwithstoriesaboutdistantlands:someofthemwildtalessomehonestdescriptions.BarbaraKlionwhohasretiredknowswhatthat’like.AsawalkerwhohastouredAustraliaKenyaandChinaonfoothertripsarethemoderneditionofanancienttraditionforyears.Klionandherhusbandnow75and80yearsoldtravelledindependently.Walkersknowseeingtheworldonfootgivesthemarareexperience.Oftentravelersareattractedbylocalpeopleandcustoms.Theyalsogetabeautifulandlastingimpressionofthescenery.Walkingtourscanbedoneinone’sbackyardbutthereareseveraldestinationsaroundtheworldthatexposetravelerstothebestofnatureandcultureWhattolookfor?A.famousguidesaystheessentialofaqualitywalkaregreatscenerytolerableweathersuitablelevelofdifficultyandsomethinglikeecologyhistoryorculture.Thesemayseemlikeunclearinstructionsbutthefunofwalkingtoursisthatmanythingsaredeterminedbythetraveler.SomeonewhoappreciateshotclimateswildlifeandflatareascouldchooseawalkingtourinZambia’sSouthLuangwaNationalPark.Travelerswhodon’tmindthecoldandenjoyadventurecouldhikePatagoniaanareaofsouthernArgentinaeastoftheAndes.Ingeneralindependenttravelerscandecidehowfartogoeachdaywhileguestsofatouragencyshouldexpecttowalkanaverageoffourtoeightmilesaday.AttheFordlandNationalParkforexamplethereareseveraleasy-to-difficulthikesgivingtravelersmanychoices.28.WhichofthefollowingdoesNOTmakeaqualitywalking?A.GreatsceneryB.TolerableweatherC.AhelpfulcompanionD.Suitablelevelofdifficulty29.Accordingtothepassagecomparedwithguestsofatouragencyindependenttravelers______.A.canwalkfartherB.havemorechoicesC.facemoredifficultiesD.spendless30.Whatistheauthor’sattitudetowalkingtours?A.IndifferentB.NegativeC.WorriedD.Supportive31.Thebesttitleofthepassagemightbe_____A.SeetheWorldonFootB.BarbaraKlionagreatTravelerC.WhattoLookforD.TheFunofWalking
TheAfricanelephantthelargestlandanimalremainingonearthisofgreatimportancetoAfricanecosystem.UnlikeotheranimalstheAfricanelephantistoagreatextentthebuilderofitsenvironment.Asabigplant-eateritlargelyshapestheforest-and-savanna大草原surroundingsinwhichitlivesthereforesettingthetermsofexistenceformillionsofotheranimalsthatliveinitshabitat.Itistheelephant’sgreatdesireforfoodthatmakesitadisturberoftheenvironmentandanimportantbuilderofitshabitat.Initscontinuoussearchforthe300poundsofplantsitmusthaveeverydayitkillssmalltreesandunder-bushesandpullsbranchesoffbigtrees.ThisresultsinnumerousopenspacesinbothdeeptropicalforestsandinthewoodlandsthatcoverpartoftheAfricansavannas.Intheseopenspacesarenumerousplantsinvariousstagesofgrowththatattractavarietyofotherplant-eaters.TaketherainforestsforexamplE.Intheirnaturalstatethespreadingbranchesoverheadshutoutsunlightandpreventthegrowthofplantsontheforestfloor.Bypullingdowntreesandeatingplantselephantsmakeopenspacesallowingnewplantstogrowontheforestfloor.Insuchsituationstheforestsbecomesuitableforlargehoofedplant-eaterstomovearoundandforsmallplant-eaterstogettheirfoodaswell.WhatworriesscientistsnowisthattheAfricanelephanthasbecomeanendangeredspecies.Iftheelephantdisappearsscientistssaymanyotheranimalswillalsodisappearfromvastareasofforestandsavannagreatlychangingandworseningthewholeecosystem.28.Whatdoestheunderlinedphrasesettingthetermsmostprobablymean?A.Improvingthequality.B.WorseningthestatE.C.FixingthetimE.D.Decidingtheconditions.29.Thepassageisdevelopedmainlyby_________.A.showingtheeffectandthenexplainingthecausesB.givingexamplesC.pointingoutsimilaritiesanddifferencesD.describingthechangesintimeorder30.Whatisthepassagemainlyabout?A.ForestsandsavannasashabitatsforAfricanelephants.B.TheeatinghabitofAfricanelephants.C.DisappearanceofAfricanelephants.D.TheeffectofAfricanelephants’searchforfooD.31.Whatdoweknowabouttheopenspacesinthepassage?A.Theyarehometomanyendangeredanimals.B.Theyresultfromthedestructionofrainforests.C.Theyareattractivetoplant-eatinganimalsofdifferentkinds.D.TheyprovidefoodmainlyforAfricanelephants.
Mostofthetimethegroundfeelssolidbeneathourfeet.That'scomforting.Butit'salsomisleadingbecausethere'sactuallyalotgoingonundergrounD.Massesoflandcalledplatesslipslideandbumpagainsteachotherslowlychangingtheshapeofcontinentsandoceansovermillionsandbillionsofyears.ScientistsknowthatEarthformedabout4.5billionyearsago.Theyalsoknowthatourplanetwashotatfirst.Asitcooleditsoutermostlayercalledthecrust地壳eventuallyformedmovingplates.Exactlywhenthisshifthappenedhoweverisanopenquestion.Nowaninternationalgroupofresearchershasananswer.They'vefoundnewevidencesuggestingthatEarth'scruststartedshiftingatleast3.8billionyearsago.Thenewestimateisl.3billionyearsearlierthanpreviousones.Notlongbefore3.8billionyearsagolotsofsmallplanetswerehittingEarthkeepingitscrustinahotmeltingstatE.Afterthehardcrustformedmuchofitsankatvarioustimesintotheplanet'shotinsides.ThereitmeltedbeforereturningtothesurfacE.Insomeplaceshoweverthecrustneversank.OneoftheoldestsuchplacesisinGreenlandinanareacalledtheIsuasupracrustal上地壳belt.Therockycrustthereisbetween3.7and3.8billionyearsolD.Thebeltwasoncepartoftheseafloorbutnowitisexposedtoair.TheresearchersrecentlytookacloselookattheIsuasupracrustalbelt.Theynoticedlongparallelcracks裂缝intherockthathavebeenfilledinwithatypeofvolcanicrock.Toexplainthisstructurethescientistsproposethattensioninthecrustcausedtheseafloortocrackopenlongago.HotliquidrockoozedfromdeepinsideEarthtofillthecracks.Finallythewholeareacooledformingwhatweseetoday.ThatexplanationpluschemicalcluesinsidetherocksuggeststhattheIsuasupracrustalbeltwasoncepartofplateundertheoceanbeginningaround3.8billionyearsago.It'safantasticcaseofsolvingajigsawpuzzle拼图saysoneoftheresearchers.Henotesthatthepuzzlewasaverydifficultonebecausetheserocksareallveryoldandhavebeenbadlyruined.32.TheunderlinedphraseoozedfrominParagraph7isclosestinmeaningtoA.filledupgraduallyB.washedawayquicklyC.flewoutofslowlyD.brokethroughsuddenly33.Whatcanweinferfromthetext?A.Theshapesofcontinentsandoceanschangedslowly.B.TheEarth'scruststartedshiftingl.3billionyearsago.C.ThecrustbegantoshiftwhentheEarthwashot.D.ThehitfromsmallplanetsmadetheEarthcool.34.WhatdoscientistsknowaboutthepastoftheIsuasupracrustalbelt?A.Itwasoncecoveredbyhotliquidrock.B.ItremainedunderthedeepseA.C.Itstayedhotandsinking.D.Itkeptmovingslowly.35.ThetextismainlyaboutA.whytheEarthcooledB.howtheIsuasupracrustalbeltformedC.whetherthegroundbeneathourfeetisstillD.whenEarth'scrustbeganshifting
TherewasonceamancalledMr.Flowersandflowerswerehisonlyjoyinlife.Hespentallhisfreetimeinoneofhisfourglass-housesandgrewflowersofeverycolorwithlonganddifficultnamesforcompetitions.Hetriedtogrowaroseofanewcolortowinthesilvercup银杯fortheRoseoftheYear.Mr.Flowers’glass-houseswereveryneartoamiddleschool.Boysofaroundthirteenofagewereoftentempted引诱tothrowastoneortwoatoneofMr.Flowers’glass-houses.SoMr.Flowersdidhisbesttobeinornearhisglass-housesatthebeginningandendoftheschoolday.Butitwasnotalwayspossibletobeonwatchatthosetimes.Mr.Flowershadtriedinmanywaystoprotecthisglassbutnothingthathehaddonehadbeenuseful.Hehadbeentoschooltoreporttotheheadmaster;butthishadnotdoneanygood.Hehadtriedtodriveawaytheboysthatthrewstonesintohisgarden;buttheboyscouldrunfasterthanhecouldandtheylaughedathimfromfaraway.Hehadevenpickedupallthestonesthathecouldfindaroundhisgardensothattheboyswouldhavenothingtothrow;buttheysoonfoundothers.AtlastMr.Flowershadagoodidea.Heputupalargenotice布告madeofgoodstrongwoodsomemetersawayfromtheglass-houses.Onithehadwrittenthewords:DONOTTHROWSTONESATTHISNOTICE.AfterthisMr.Flowershadnofurthertrouble;theboysweremuchmoretemptedtothrowstonesatthenoticethanattheglass-houses.1.ItwasMr.Flowers’hopeto________.A.buildglass-housesinhisfreetimeB.growtheRoseoftheYearinasilvercupC.winasilvercupforgrowingaroseofanewcolorD.growarosewiththelongestname2.Boyswereoftentemptedto________.A.throwstonesatMr.Flowers’glass-houseB.throwstonesatMr.FlowersfromtheirschoolC.beinornearbyMr.Flowers’glass-housesD.playwithMr.Flowersnearhisglass-houses3.Mr.Flowersstayedinornearbyhisglass-houses_______.A.attimeswhenschool-boyswerewalkingnearthemB.alltheschooldaywhentherewerenoboysaboutC.wherehecouldnotbeseenbytheboyspassingD.atthebeginningandendoftheschoolday4.Mr.Flowershadtriedto______toprotecthisglass.A.beonwatchinhisfreetimeB.asktheheadmasterforhelpC.pickupallthestonesaroundhisgardenD.doalltheabove5.Mr.Flowers’goodideawasto______.A.writesomewordsontheglassB.putupalargenoticetocoverhisglass-housesC.givetheboyssomethingelsetothrowstonesatD.sendforpolicemen
Youcan’talwayspredictaheavyrainorrememberyourumbrellA.ButdesignerMikhailBelyacvdoesn’tthinkthatforgettingtochecktheweatherforecastbeforeheadingoutshouldresultinyougettingwet.That’swhyhecreatedlampbrellaalamppostwithitsownrain-sensingumbrellA.ThedesignersayshecameupwiththeideaafterwatchingpeoplegetwetonstreetsinRussiA.OnceIwasdrivingonacentralSaintPetersburgstreetandsawthestreetlampslightinguppeopletryingtohidefromtherain.Ithoughtitwouldbeappropriatetohaveacanopy伞蓬builtintoastreetlamp.hesaiD.Thelampbrellaisastandard-lookingstreetlampfittedwithanumbrellacanopy.Ithasabuilt-inelectricmotorwhichcanopenorclosetheumbrellaondemanD.Sensors传感器thenensurethattheumbrellaofferspedestriansshelterwheneveritstartsraining.Inadditiontotherainsensorthere’salsoa360°motionsensoronthefiberglassstreetlampwhichdetectswhetheranyone’susingthelampbrellA.AfterthreeminutesofnotbeingusedthecanopyiscloseD.Accordingtothedesignerthelampbrellawouldmoveatarelativelylowspeedsoasnottocauseharmtothepedestrians.BesidesitwouldbegroundedtoprotectfrompossiblelightingstrikE.EachlampbrellawouldofferenoughshelterforseveralpeoplE.Installed安装at2metersoffthegrounditwouldonlybeadangerforthetallestofpedestrians.WhiletherearenoplanstotakelampbrellaintoproductionBelyacvsaysherecentlyintroducedhiscreationtooneMoscowDepartmentandinsiststhiscreationcouldbeinstalledonanystreetwherealotofpeoplewalkbuttherearenocanopiestoprovideshelter.34.ForwhatpurposedidBelyacvcreatethelampbrella?A.Topredictaheavyrain.B.Tochecktheweatherforecast.C.Toprotectpeoplefromtherain.D.ToremindpeopletotakeanumbrellA.35.WhatdoweknowfromBelyacv’swordsinParagraph2?A.HiscreationwasinspiredbyanexperiencE.B.ItrainsalotinthecityofSaintPetersburg.C.Streetlampsareprotectedbycanopies.D.Heenjoyedtakingwalksintherain.36.WhatdoesParagraph5mainlytellusaboutthelampbrella?A.ItsmovingspeeD.B.ItsappearancE.C.Itsinstallation.D.Itssafety.37.Whatcanbeinferredfromthelastparagraph?A.Thedesignerwillopenacompanytopromotehisproduct.B.Thelampbrellacouldbeputintoimmediateproduction.C.Thedesignerisconfidentthathiscreationispractical.D.ThelampbrellawouldbeputonshowinMoscow.
CountMeOutCallmeold-fashioneD.CallmeolD.CallmewhatyouwantbutIrefusetobecomepartofthisnewInternetworlD.IdonotpossessacomputerathomeorattheofficE.ActuallyIstoppedgoingtoanoffice35yearsagowhenallcommunicationsweredonewithapenatypewriterorifthematterwasofworld-shakingimportanceoverthetelephonE.Likewiseifyoulikedsomethingadvertisedinanewspaperormagazineyouvisitedtheshopsellingitatthegivenaddressoryouphonedthenumbershown.Thenyouspoketothefellowandaskedforfurtherdetails.Tellmewhatyouthinkofthefollowingadthatappearedtheotherdayinthenewspaper.ItwasforacureforcancerandthisiswhatitsaidAwarenessisthekey.VisitspfulforD.comattheawarenesssitE.TherewasnoaddressortelephonenumberforthesitE.Sowhatdounfortunatepeoplewithoutacomputerdoiftheyareseekingacurefortheirillness?ThereareIamtoldcertainadvantagesinhavingaccesstotheInternet.YoucanforexamplesendlovemessagesacrosstheworldorevengetmarriedtosomeonethatyoumeetonlinE.Thisbitdoesn’tinterestmeIhavebeenhappilymarriedfor60years.ThereareofcourseotheractivitiesforInternetusersbesidesfindinglovE.Theycanpaybillsordergroceriesordiscusswiththeirdoctors.Andthisisbynomeansa11.MoreamazingthingsareyettocomeinthenearfuturE.IreadanewspaperreportrecentlythatquotedStephenHawkinganimportantBritishscientist.ThecomplexityofacomputerasitexiststodayisprobablylessthanthebrainofanearthwormhesaiD.ButastechnologyadvancescomputerswillbecomemorecomplexandatimemaycomewhentheInternetmaydevelop‘consciousness.’InotherwordstheInternetwillbeabletothinkhavefeelingsandmaywellbeabletoactonitsown.IfProfessorHawkingisrightImaychangemyattitudeaboutcomputers.AsIgrowoldereachday1wouldlikeoneofthosethatnotonlythinksformebutalsoacceptsresponsibilitiesforallmymistakes.21.What’sthemeaningofthetitleCountMeOut?A.GetmeoutoftheInternetworlD.B.ComputersaretryingtotakecontroloflifeC.Moderntechnologypushesoldpeopleaway.D.DonotexpectmetobeasupporteroftheInternet.22.AccordingtoParagraph2theauthorthinkscomputersare___.A.unnecessaryB.convenientC.expensiveD.advanced23.Whatmighttheauthor1ikeaboutthefuturecomputer?A.Takingblames.B.Curingillnesses.C.Deliveringmessages.D.Respondingtoemotions.
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