高一英語期中考試I.Listening(30’)SectionA(10’)Directions:InSectionA,youwillhearshortconversationsbetweenspeakers.Attheendofconversation,aquestionbeaboutwhatsaid.Theconversationsandthequestionswillbespokenonlyonce.youhearaconversationandthequestionaboutit,thefourpossibleonyourdecidewhichoneisbestanswertothequestionyouhave1.A.Adress-upB.TheC.Thetheatre.D.Ashoppingmall.2.A.B.Car3.A.15.B.C.50.D.45.C.Mechanic.D.4.A.Heenjoyedthefoodthere.B.Theplacewasbeautiful.C.Hewatchedfireworks.D.Hemetoldfriend.5.A.Thetimenotconvenient.B.Herhousenotbigenough.C.Apeopleshowup.D.Therebeenoughfood.6.A.ItgoingclearupB.won’tgothebeachrains.C.wouldlikethegothebeach.D.Itwaspouringwhenwasatthebeach.7.A.Howhandlepressure.B.HowkeepC.WhattakeupasaD.Whatplaywith.8.A.ThefilmcosttoomuchdespitehighB.Themanlikethebutthewomandid.C.Themanmissedthebecauseofwoman.D.Themantheuponthesuggestionofthewoman.9.A.HefiretheB.Hewastryingcleartheroad.C.Hefoundoutwhatwasgoingon.D.Heparkedhisbeside10.A.ThewomanwouldthembackB.Thewomanwouldquarrelwiththeman.C.ThemanwouldnottakeD.Themangavethewomanagoodsuggestion.SectionB(20’)Directions:InSectionB,youwillhearpassagesandonelongerconversation,andyouwillbeaskedseveralquestionsonofthepassagesandtheconversation.Thepassagesandtheconversationwillbebutthequestionswillbespokenonlyonce.Whenyouhearaquestion,thepossibleanswersonyourpaperanddecidewhichoneisthebestanswertothequestionyouhaveheard.Questionsthroughbasedonthefollowingpassage.A.ItsconstructionbeforeI.B.Itsconstructioncostmorethan$40billion.CItefficientlyusedfortransport.D.Itoneofthebesttheworld.12.A.improvetransportationthecountryside.B.movetroopsquicklyplaceplace.C.enablepeopletravelatahigherspeed.D.speedupthetransportationofgoods.13A.the1970s.B.Inthe1960s.C.In1950s.D.the1940s.Questions14basedonthefollowingpassage.14.A.Thetravelsatthesamespeedasthemoon.B.Themoonintobeinglongbeforetheearth.C.Theearthdidhaveenoughgravitationalpull.D.Themoonwasformedotherpartsofthesolarsystem.15.A.Themoonhasiron.B.Themoonhasmorevapors.C.Thematerialsfromthecore.D.Themoonhasmuchironfromthesurface.16.A.Theprocessoftheevolution.B.Theoriesabouttheoriginofthemoon.C.Thepowerofthegravitationalforce.D.ThecorrectnessofthebigsplashQuestions17basedonthefollowingconversation.17.A.Itpublishesmagazines.B.Itengagedproductdesign.C.Itsponsorstradefairs.D.Itrunssalespromotionbusiness.18.A.Thespecificationshadnotbeengivendetail.B.Thecompanymadechangesatshortnotice.C.Thecompanymakepaymentstime.D.Organizingthepromotionalcampaignwastime-consuming.19.A.ArerunofthecampaignathalfthepricenextB.A50percentcutoftheforthisC.Aextensionofthecampaign.D.A20percentdiscountfornextfee.20.A.Calmandmakepeace.B.Improvetheirpromotionplans.C.Reflectontheirrespectivemistakes.D.Suspendnegotiatingforthebeing.II.Grammarand(32’)SectionA(12’)Directions:Afterreadingthepassagetheblanksmakethepassagescoherentandgrammaticallycorrect.Fortheblankswithagivenword,eachblankwiththeproperformofgivenword;fortheotherblanks,useonewordthateachblank.IPhoneuserscanlongerdownloadapopularepidemic-themedsmartphonegameChinaasthecountryfightingthedeadlyCOVID-19coronavirus.Theremovalofthegame“Plague”theChinesemarketcertainreigniteadebateover____1____AppleshouldremoveappsAppStoreontheofgovernmentsaroundworld.TheAppStoretheonlywayformostusersinstallsoftwareoniPhones,andhasbecomeamagnetforcriticismbecauseAppleenablescountriesremoveappslike,censoringfreeexpression.creatorssaidstatementsthatwasthemostpopulargameChinaformanyyearsandthat____2____(notmean)sensationalizediseaseoutbreaks.PlagueoneofthemostpopulariPhonegames,hasbeenconsistentlythetopAppStorecharts____3____launch2012.asimulationwhichusersplayasinfectiousdisease____4____goalwipeoutthepopulation.OnwasthetoppaidgametheUnitedStates.IthasalsorisenChina,accordingestimatesfromSensor____5____appanalyticsfirm.Ithadbeendownloaded2.2milliontimesChina,withabout9%ofthosedownloadssincethestartofItwastheNo.3paidappChinabefore____6____(remove),Sensorsaid.Itwasthebest-sellingappChinaatpointaccordingtheBBC.GamesareparticularlycloselyregulatedChina.Incase,theremovalcomesshortly____7____Applesetadeadlinefordeveloperscomplywitha2016regulationaboutmobilegamestheTheregulationrequiresthatgamemakerswhowantforin-apppurchases____8____(get)alicenseorapprovalnumberfromtheGeneralAdministrationofPressandPublicationofChina.ThatapprovalnumberhasbeprovidedAppleby30,CNBCreported,____9____(cite)amessagedevelopers.Chinathelargestmobilegamesmarket.Thegovernmenthassignaledforyearsthattryinggain_____10_____(strong)controloverconcernsproblems,playingtimeand“lootboxes”orin-apppurchaseswithelementofrandomness.InChina,videogames_____12_____beapprovedbyregulatorsorderbereleasedandmonetized.2018,theChinesegovernmentfrozegameapprovals,theyslowlystartedrampupthrough2019,whichAppleCEOCookmentionedaconferencecallwithanalystsSectionB(20’)Directions:Completethefollowingpassagesbyusingthewordsthebox.Eachwordcanonlybeusedonce.Notethatthereonewordmoreneedforeachpassage.A.entryB.concernsH.cautiousC.exposeD.E.calledK.prospectsunderestimatedG.innovationsI.scheduledJ.generationMobileCongress,ofthetechnologybiggestannualevents,hasbeen____13____becauseofcoronavirusoutbreak.Theannouncementcomesaftermorethanadozenmajortechcompaniessaidtheywouldnotattendeventasthe____14____outbreakcontinuesspread.MWChadbeen____15____takeplaceBarcelonafromFebruary24-27.Ittypicallydrawsmore100,000attendeesover2,400companies,includingsector’sbiggestplayersuselaunchnewproductsandshowcasetheirlatest____16____.Thecancellationa“hugedisappointment,”BenchiefofresearchatCCSInsight,saidastatement.thehighlightofthemobileindustrysaid.“Theimpactonsmallcompanieswhohaveinvestedadisproportionateamountoftheirbudgetsandonthiseventnotbe____17____.MWCanchoreventformanyandtheythechallengeofhavingfigureoutwhatthebestwaysalvage(搶救)somethingthissituation.”GSMAinitiallyplannedgoforwardwiththeeventdespitethecoronavirusscare.ItsaidaFebruary9statementthatwouldconducthealthchecksanddoadditionalcleaningaroundthevenue,wouldnotallow____18____anyattendeeswhohadbeenChinapreviousweeks.About5,0006,000peopletypicallyattendtheeventChina,accordingGSMA.Butbyaslewofmajortechplayersannouncedwouldnotattendtheevent,includingAmazon(AMZN),Ericsson(ERIC),Facebook(FB),Sony(SNE),Intel(INTC),Cisco(CSCO)and(LPL),amongothers.“Duetheoutbreakandcontinued____19____aboutnovelcoronavirus,AmazonwillwithdrawfromexhibitingandparticipatingMobileCongress2020,”Amazonsaidastatementcloudcomputingarm,AmazonServices,washostadozensessionscoveringtopicssuchas5Gconnectivityandartificialintelligence.ThelatestcompanywithdrawfromthebiggestmobileeventwasNokia(NOK),whichonsaidhadthe“____20____decision”cancelparticipationratherthanpotentially____21____employeesthecoronavirus.Thesummitwouldhaveadifficulttimegoingforwardwithoutsomeofheadlineparticipants.ThelossofNokiaandEricsson,twoEuropeansuppliers5Gequipment,wasparticularlydamagingforaconferencefocusedonthedevelopmentanduseofthenext_____22_____networks.(B)Directions:Filleachblankwithaproperwordchosenthebox.Eachwordcanbeusedonce.Notethatthereonewordmoreyouneed.Ispossiblemakepaperwithouttrees?AustralianbusinessmenKevinGarciaandspentayearresearchingapossible___23___thatcouldserveasapossiblerawmaterialformakingThenGarciareadaboutacompanymakingcommercialpaperofstoneanda(n)___24___struck.AyearJuly2017,launchedKarstStoneThecompanyproducespaperwithoutusingwoodorTheirsourcewaste___25___fromconstructionsitesandotherindustrialwastedumps."Ifyoulookatthewholeprocessofpapertraditionallymade,___26___choppingtrees,addingchemicals,usinglotsofwaterandthen___27___,dryingandflatteningintosheetsofsaidGarcia."Itcontributeshighcarbonemissionanddeforestation."In2019,GarciaestimatesKarst'spaperproductionhashelpedsave540limber成材木)frombeingdeforested,83,100liters(21,953gallons)ofwaterfrombeingused25,500kilograms(56,218pounds)ofcarbondioxidefrombeing___28___.collectdisposedlimestone石灰石)fromwhereverwefindwashandintofinehesaid.ThepowderwithaHDPEresin(高密度聚乙烯樹脂),which___29___overtimefromsunlight,leavingonlycalciumcarbonate(碳酸鈣)behind.Thepapercanbeasthinasnotebookpaperorasthickasacardboardpaperandwaterproof,___30___anddifficultThenotebookscost$10$25.Karst'sproductsaremainlysoldthecompany'swebsite,butarealsostocked100stores,___31___throughoutAustralia,theUnitedStatestheUnitedKingdom."Over70%ofcustomersareUS-based,"hesaid.Theyhopehavethenotebooks1,000storestheoftheGarciasaidarethinkingabout_____32_____investorsforthefirsttimeordertoscaleuptheiroperations.Theydeclinedrevealmuchthecompanymakesortheirannualrevenue.III.ReadingComprehension(68’)SectionA(30’)Directions:ForblankinthefollowingpassagesfourwordsorphrasesmarkedA,B,CandD.Fillblankwiththeorphrasethatbestfitsthecontext.ArecentsurveytheUnitedStatesshowedthattheaveragefamilyspentmoreonpetsthanchildren.Althoughrathershocking,shouldnot_____33_____anyonewhohasthedoggyparlors(客廳)wherelovedpetsrest.AreAmericansuniquetreatingfriendsthisway?No,theEnglish,too,are_____34_____theirpets.Thiscanclearlybeseenweatpetfoods,whichoftencontainmorevitaminsthanhumanatleast,are_____35_____lessnutritious.Theycertainlycostmuch.LastyeartheBritishpublicspenthundredmillionpoundsonfoodalone,_____36_____veterinary(獸醫的)billsoranimalfurniture.Itnotfeel_____37_____withthiswhenoneconsiderswhatsameamountcoulddoforvictimsofstarvationandso_____38_____formegetundercollarwhenIreadoldleftallhismoneyhisdoghome.ThereareavarietyofwhyIthepopularityBritishpets_____39_____.Theycausephysicalproblems.AnexampleofthisNewwherehavegreatdifficultygettingridofthemessthatdogsonthestreets.Manypeoplethisbutanumberofcitiesamajorproblem.Animalscancausedisease,too.Itthethreatrabies---adiseasewithknowncure---thathasmadetheEnglishgovernmentimposestrict_____40_____onanimalscomingintotheUnitedKingdom.WhentheSpanishgovernmentrecently_____41_____anumberofhomelessdogsasprotectionagainstthesamethreat,touristimmediatelywrotelettersthenewspapers_____42_____aboutmassAnotherproblemthe_____43_____ofpetowners.Mostlittlechildrenwantaacat,andcontinuallypestertheirmothersandfathersuntiltheygetone.Itonlywhenlittlethinghasbeenbroughthomethattheparentsrealizehowmuchandmoneymustbespenton"Rover"or"Bonzo".Thenjust_____44_____Thisbringsmylastpoint.Pets,whichfree,areoftennot_____45_____atall.Englishfarmerslosehundredsofsheepakilledbysomeone'sandmusthavereadofchildrenbeinghurtbysomeoftheirown._____46_____,Iwouldonlysuggestthatwehavegotour_____47_____wrongandthatsomethingshouldbedoneabout33.A.alertB.surpriseB.politeC.disappointC.subjectD.interest34.A.hostileD.availableD.totally35.A.seldom36.A.spiteof37.A.delighted38.A.usualB.farC.frequentlyC.notmentionC.concernedC.ridiculousC.unacceptableC.treatmentsC.enclosedC.worryingC.expectationC.desertB.regardlessofB.patientD.ratherthanD.unsatisfiedD.essentialD.commonD.restrictionsD.droveB.natural39.A.inevitable40.A.ordersB.understandableB.punishmentsB.destroyedB.caring41.A.cured42.A.inquiring43.A.thoughtlessness44.A.isolateD.complainingD.kindnessD.bindB.hesitationB.scold45.A.funnyB.sweetC.preciousC.ThereforeC.loveD.loving46.A.Nevertheless47.A.mindB.MoreoverB.behaviorD.MeanwhileD.priority(B)Thequestionofwhethergovernmentshouldpromotescienceandtechnologyorliberalartshighereducationisn'taneither/or(命題),althoughcurrent____48____preparingyoungAmericansforSTEM(science,engineering,math)-relatedcanmakeseemthatThelatestcongressionalreportacknowledgesthecriticalimportanceof____49____training,butalsomaintainsthatthestudyofhumanitiesandsocialsciencesmustremaincentralcomponentsofAmerica's____50____systematalllevels.Botharecriticalproducingcitizenswhoparticipateeffectivelyourdemocraticbecomeinnovativeleaders,and____51____thespiritualenrichmentthatthereflectiononthegreatideasofmankindoverprovides.Parentsandstudentswhohaveinvestedheavilyhighereducation____52____graduates'jobprospectsastechnologicaladvanceschangesandglobalmarketstransformprofessionswaysthatreducewagescutjobs.Underthesecircumstances,____53____whatappearbethemost“practical”wayout.Majorasubjectdesignedgetyoua/an____54____seemstheobviousanswersome,thoughthisignoresthefactthatmanydisciplinesthehumanitiescharacterizedas“soft”often,fact,leademploymentsuccess____55____.Indeed,accordingsurveys,employershaveexpressedapreferenceforstudentswhohavereceiveda____56____educationthathastaughtwritewell,thinkresearchandcommunicate_____57_____,studentsshouldbepreparednotjustforfirstjob,butfortheir4thand5thjobs,asthere'sreasondoubtthatpeopleenteringtheworkforcetodaywillbecalleduponplayrolesoverthecourseoftheircareers.Theoneswhowilldothebestthisenvironmentwillbethosewhoseeducationshavepreparedbe_____58_____.Theabilitydrawuponeveryavailabletoolandinsight--_____59_____fromscience,arts,andtechnology--theproblemsoffuture,andtakeadvantageoftheopportunitiesthatpresentthemselves,willbehelpfulthemandtheUnitedStates.InMay1780,JohnAdamswrotehiswifeAbigailexpressinghishopesfortheprogressoftheAmericanexperiment.“ImuststudyPoliticsandthatmysonsmayhave_____60_____studyMathematicsSonsoughtstudyMathematicsgivetheiraPainting,PoetryMusic.”WhatAdamswasreallyexpressingwasthatacountrymusthavealevelof_____61_____,stabilityandsecuritybeforenumbersofcitizenscanengagepursuits_____62_____thanthebasicstruggleforsurvival.Despiteoureconomicdifficulties,theU.S.isawealthynation.havethecapacitycreateandmaintainaneducationalsystemthattrainsstudentsscience,math,artandotherdisciplines,attheveryhighestlevel.48.A.drainon49.A.extensiveB.objectionB.intensiveC.advantageoverC.literateD.emphasisonD.technical50.A.education51.A.competewith52.A.thinkB.workforceB.benefitfromB.talkC.economicC.equalC.worryD.politicalD.delightD.inquire53.A.naturalB.ridiculousB.jobC.amazingC.D.disturbingD.advantageD.greatneed54.A.skill55A.thelongB.therightpositionC.practicalterms56.A.hard-won57.A.RatherB.broadly-basedB.StillC.science-orientedC.ThereforeC.flexibleC.putD.well-chosenD.MoreoverD.critical58.A.activeB.precise59.A.pickedup60.A.libertyB.referredB.qualificationB.insightD.passedonD.vigorC.vision61.A.knowledge62.A.morelogicalSectionB(30’)C.wealthD.commitmentD.easierB.lessinstrumentalC.broaderDirections:thefollowingpassages.Eachpassageisfollowedbyseveralquestionsorunfinishedstatements.ForeachoffourchoicesmarkedA,B,CandD.ChoosetheonethatfitsbestaccordingtotheinformationgiveninthepassageyouhaveManyofancientarchitecturaltreasuressmasheddustbeforeLinHuiyinLiangSichengbegandocumentingthem1930s.ThehusbandandwifewereamongfirstpreservationistsoperateChina,byfarthebestknown.Theirhavesinceinspiredgenerationsofpeoplespeakoutforarchitecturethreatenedbytherushtowarddevelopment.Becomingarchitecturalhistorianswasnoaccomplishment.Thebuildingstheywantedsavewerecenturiesoldlocateddistantpartsofthemanycases,journeythroughdangerousconditionstheChinesecountrysidereachthem.Exploringremoteareasduringthe1930smeanttravelingpoorlymaintainedroadsmule（騾子）orfoot.Innsweredirtyfoodcouldbepolluted,andtherewasalwaysriskorviolencefromsoldiersandrobbers.TheirgreatestdiscoverywastheofLight,ShanxiProvince.Thebreathtakingwoodentemplewas857A.D.,makingtheoldestbuildingknownChinaatthetime.LiangLincrawledintothemostforbidding,forgottenareasdetermineitsage,includingonehideawayinhibitedbythousandsorbatsmillionsofbedbugs,covereddustlitteredwithdeadbats.“Incompletedarknessandamongtheawfulsmell,hardlybreathing,withthickmaskscoveringournosesandmouths,wemeasured,photographedwithflashlightsforseveralhours.Whenatlastweouttakeabreathoffreshwefoundhundredsofbedbugsbag.ourselveshadbeenbadlybitten.theimportanceunexpectednessoffindmadethosethehappiesthoursofmyyearshuntingforancientarchitecture.”Liandwroteoftheexperienceanaccountincluded“LiangLin;PartnersExploringArchitectualPast.”63.Ontheirwaythebuildings1930s,LiangLinfacedfollowingrisksEXCEPT________.A.accommodationsB.personalsecurityD.vehiclesC.roadconditions64.LiangandLinraisedpublicawarenessof________.A.documentingsmashedhistoricalbuildingsB.rebuildinghistoricallyvaluablebuildingsC.savingtheoldesttemplesChinaD.Protectinghistoricalbuildings.65.WhileexploringtheofLight,________A.LiangLincaughtinsectswithawfulsmell.B.LiangLinwereforbiddenbreatheinsideC.LiangLinwerepleasedatsomethingunhopedforD.LiangLindeterminedagebyhideaway66.Whichoffollowingthebestforthepassage?A.CreativenessresultsdiscoveryC.contributehappinessB.DifficultyproducesachievementD.Responsibilitiesmakedevelopment(B)AngelaDoyinsolaAinaEMPOWERINGBLACKMOTHERSTheU.S.spendsmuchmoreonhealthcareotherdevelopedcountrydoes,yetwomentheU.S.aredyingofpregnancy-relatedcausesmorethanusedmoreotherdevelopednations.ThisproblemparticularlydireforAfricanAmericans,whothreefourtimesmorelikelythantheirwhitecounterpartssufferpregnancy-relateddeaths.BlackMamasMatterAlliance(BMMA),co-foundedbyAngelaDoyinsolaAina,launched2016addressthesehugedisparities;thegroupworkedwithCongresslaunchBlackMaternalHealthheldeachApril.“Whatperpetuatingthesehealthoutcomesstructuralracismandgenderoppression,”Aina,36.ThisAinadrawingherownbackgroundpublichealthrampupresearchandpromotetheuseofmidwivesanddoulas,whosayscanbecriticalresourcesforcommunitiesthathavehistoricallyfraughtrelationshipswiththeU.S.medicalsystem.TheHealthOrganizationnamed2020the“yearofthenurseandmidwife,”andAinahopesthisincreasedattentionwillhelpleadmoreinvestmentblackwomen-ledprograms.“Thosearetheinitiativesthatworkbest,”shesays,“incommunitiesthataremostimpactedbydisparities.”—ABIGAILABRAASDinaBakstHELPINGWORKINGWOMENForanyAmericanwomen,especiallylow-wageworkersphysicallydemandingfields,havingkidsmeansjeopardizingtheirjobs—somuchsothattheybeforcedchoosebetweenapaycheckahealthyThatsituation,DinaBakst,“snowballsintolastingeconomicdisadvantage.”Asco-founderofthelegaladvocacyorganizationABetterBalance,Bakst,47,representswomenwholosejobswhilepregnant.championingfederallegislationadvancingCongressthisyearhelppregnantwomenandmothersgetfairtreatmentatwork:thePregnantFairnessActandtheforNursingMothersActwould,requireemployersmakereasonableaccommodationsforpregnantemployees,makeeasierforbreastfeedingmomspumpatwork.AtawhentherearemorewomenthanmentheU.S.workforce,Bakstsaysimplementingfairwork-lifestandards—includingpregnancyaccommodations,paidsickdays,familyandmedicalleave,qualityaffordablechildcare—ismoreimportantthanabsolutelyessentialforgenderequalityandforeconomic67.Whichoffollowingwordclosestmeaning“jeopardizing”?A.Losing.B.Endangering.C.GivingD.Contributingto.68.AccordingAngela,whattherootofhealthdisparitiesbetweenblackmothersthetheirwhitecounterparts?A.TheinactionoftheAmericangovernment.B.Theignoranceofpublichealth.C.Thesocial-economiccodedraceD.Theunpleasantrelationshipbetweenminoritycommunitiesandthemedicalsystem.69.WhatdoesAngelaDinahavecommon?Theyboth________.A.health-carersB.businesswomenC.lawyersD.equalizersHowroughly2yearsago,earlyhumanancestorsevolvedbrainsandbeganfashioningrelativelyadvancedtools,oneofthegreatmysteriesofevolution.Someresearchersthesechangeswerebroughtaboutbytheinventionofcooking.Theypointoutthatourbiteweakenedaroundtheasourlargerbrainsevolved,takeslessenergynutrientsfromcookedfood.Asaoncehadmasteredtheart,earlychefscouldinvestlesstheirdigestivesystemsandthusinvesttheresultingsavingsbuildinglargerbrainscapableofcomplexthought.is,aproblemthecookingMostarchaeologists考古學家）believetheevidenceofcontrolledfirestretchesbacknomorethan790,000years.RogerSummonsoftheMassachusettsInstituteofhasasolution.withhisteam,heanalyzedmillion-year-oldsand-stonesthatformedanancientriveratOlduvaiTheregionfamousforthenumberofhumanfossils化石)havebeendiscoveredthere,alongsideimpressiveassemblyofstonetools.Thesand-stonesthemselveshavepreviouslyyieldedofearliestcomplexhandaxes—tear-drop-shapedstonetoolsthatareassociatedwithHomoerectus(直立人).Creatinganaxebyrepeatedlyknockingthinpiecesaordercreatetwosharpcuttingedgesrequiresasignificantamountofplanning.Theirappearancethereforethoughtmarkanimportantmomentintellectualevolution.insidetheOlduvaisand-stones,theresearchersfounddistinctivebutunusualbiologicalmolecules（分子）thatareofteninterpretedasbiomarkersforheat-tolerantbacteria.Someoflivewaterbetween85°Cand95°C.Themolecules’presencesuggeststhatanancientriverwithinthewasoncefedbyormoresprings.Summonsandhiscolleaguessaythehotspringswouldhaveprovidedaconvenient“pre-fire”meansofcookingfood.InNewZealand，theMaorihavetraditionallycookedsprings,eitherbyloweringintotheboilingwaterorbydiggingaholehotearth.SimilarmethodsexistJapanandIceland,soplausible,difficultprove,thatearlyhumansmighthavespringscookandroots.Richardwhodevisedthecookingfascinatedbytheidea.Nonetheless,wouldhaveofferedadistinctadvantagehumans,oncetheyhadmasteredtheartofcontrollingsince,unlikeaspring,itatransportableresource.70.AllofthefollowingstatementscansupportthecookingtheoryEXCEPT__________.A.cookingenabledhumansinvestlessdigestivesystemB.cookingenabledearlyhumansdevotebuildingbigbrainsC.ourbrainbecamelargeraroundthesametimeourdigestivesystemweakenedD.thecontrolledfiremastereduntilabout790,000yearsago71.Thepresenceofbiologicalmoleculeswasimportantbecause_________.A.theysuggestedapossiblemeansofcookingwithoutfireB.theycastlightonHomoerectuslivedC.theyprovidedaconvenientwayofstudyingD.theymadestudiesofpre-historicculturespossible72.Theunderlinedword“plausible”probablymeans_________.A.noticeableC.reasonableB.applicableD.affordable73.WhatmaybetheconclusionofthestudySummonsandhiscolleague?A.Earlyhumanswereofmakingcomplexstonetools.B.Hotspringshelpexplainhowhumanbrainsgotsobig.C.Homoerectuswereadaptabletoughcomplexterritories.D.HumanbrainsarehighlyadvancedasshownbytheirDonaldSadowayatMITstartedhisownbatterycompanywiththehopeofchangingtheworld'sfuture．It'sadramaticendorsement（支持）foratechnologymostpeoplethinkaboutonlywhentheirsmartphonegoesdark．ButSadowayaloneboastingaboutstorageasamissinglinkamoreefficient,andmoreequitablefuture．ScientistsandengineershavelongbelievedthepromiseofbatterieschangetheworldAdvancedbatteriesaremovingoutofspecializedmarketsandcreepingintothemainstream,signalingatippingpointforforward-lookingtechnologiessuchaselectriccarsrooftopsolarpropels．Theubiquitous（無所不在的）batteryalreadyalongofcourse．Forbetterorworse,batteriesmakepossibleourmobile-first．lifestyles,ourscreenculture,ourincreasinglyglobalizedworld．Still,asimpressiveasallthisis,maybetrivialcomparedwithwhatcomesnextHavingalreadyenabledacommunicationsrevolution,thebatterynowpoisedtransformjustabouteverythingelse．Thewirelessageexpandingincludenotjustourphones,tablets,andlaptops,butalsoourcars,homes,andevenwholecommunities．Ineconomies,ruralcommunitiesarebypassingthewiresandwoodenpolesthatspreadpower．Instead,someAfricaandAsiaareseeingtheirfirstlightbulbsilluminatedbythepowerofsunlightstoredbatteries．storageabillionglobalindustrythatgeneratesnearlygigawatt-hoursofelectricityperyearBytheendofthedecade,it'sexpectedbeworthover50billiondollarsandgenerate160gigawatt-hours,enoughattracttheattentionofmajorcompaniesthatmightnototherwisebeinterestedadecidedlypedestriantechnologyEvenutilitycompanies,whichhavelongviewedbatteriesalternativeformsofasathreat,arelearningembracethetechnologiesasenablingratherthandisrupting．batterybreakthroughscomeastheworldlooksexpandmodernaccessthebillionorsopeoplewithoutwhilealsocuttingbackfuelsthattheplanet．Thosesimultaneouschallengesappearlessoverwhelmingwithincreasinglybetteranswersacenturies-oldquestion:makepowerportable．besure,thebatteryhasalongwaygobeforenightlyrechargecompletelyreplacestheweeklythegasstation．Abattery-poweredworldcomesownrisks,tooWhathappenscentralizedelectricgrid,whichdecadesandbillionsofdollarsbuild,asmoremorepeoplebecome"prosumers,"whoproduceandconsumetheirownsite?Noknowswhich——ifany——batterytechnologywillultimatelydominate,butonethingremainsclear．Thefutureofhowwestore．74.WhatdoesSadowaythinkofstorage?A.Itinvolvestheapplicationofsophisticatedtechnology．B.Itthedirectiondevelopmentshouldfollow．C.Itwillprovebeaprofitablebusiness．D.Itatechnologybenefitingeveryone．75.Whatmostlikelyhappenwhenadvancedbatteriesbecomewidelyused?A.Mobile-firstlifestyleswillbecomepopular．B.Theglobalizationprocesswillspeedup．C.Communicationswilltakemorediverseforms．D.Theworldwillrevolutionarychanges．76.Insomecommunitiesofeconomies,peoplehavebegun_______________．A.finddigitaldevicesindispensableBcommunic