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写出下列化学符号及符号中“2”的含义． （1）2个亚铁离子 ．（2）5个硫酸根离子 ． （3）H2O ．（4）O ．
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用化学符号表示或按要求写出符号的含义1X.个二氧化碳分子2写出+2Mg中2的含义3写出4种核外电子数
1用化学用语填空①钾离子②5个锌原子③3个二氧化氮分子2写出下列符号中2的含义①CO2②Mg2+
写出下列化学符号2个二氧化碳分子5个铁原子碳酸根亚铁离子.
1用正确的数字和化学符号表示①2个氧原子②-1价的氯元素③铁离子④2个钠离子⑤5个五氧化二磷分子⑥氧
化学用语是学习化学的重要工具写出下列化学符号1亚铁离子________2人体中最多的物质______
一掌握化学用语是学好化学的基础.请用化学符号表示11个汞原子23个氮气分子3两个亚铁离子.4氧化镁中
1用化学符号填空①三个五氧化二磷分子②氯化亚铁中铁元素显正二价③地壳中含量最多的金属元素是④澄清石灰
回答下列问题1用恰当的化学符号表示氧元素2个氢原子n个钠离子保持氧气化学性质的最小粒子.2写出下列符
写出下列化学符号或符号表示的意义.1氦气2氢氧化亚铁3SO2中2的意义4二氧化硅中硅元素显正4价.
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写出下列符号1两个氢原子2三个二氧化碳分子33个亚铁离子______4氧化铜中铜元素显+2价____
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写出下列符号中数字的含义2Mg2+________________________
写出下列化学符号中数字2的含义2NH22COCu2+
俄罗斯方块你玩过吗如图是为你设计的化学俄罗斯方块请根据示例写出下列横线中对应的化学符号或符号所表达的
写出下列符号的含义或根据表述标出符号⑴氩气⑵2个镁原子⑶写出2Ca2+中2的含义
21.2分写出下列物质的化学式或化学符号1胆矾2亚铁离子
写出下列化学符号中2的含义12H2H.2O.Mg2+.
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根据要求写出下列化学符号1保持水的化学性质的微粒2三个亚铁离子3地壳中含量最多的金属元素和生物体内含
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3分毫无疑问坚持努力不仅能使学生获得成功并且能让他们养成良好的习惯.doubt .
6分ZoosVictoria﹣FriendsoftheZoosVictoria Newcheaperfamilymembershippricesareavailablenow! TheVictoriaGovernmenthasannouncedfreeadmissionforchildrentrader16yearsofagetoallthreeofourZoosVictoriaonweekendsVictoriapublicholidaysandVictoriaGovernmentschoolholidaysfromJuly1. WeareveryexcitedaboutthechangesandaredelightedthiswillmakemembershipsevenmoreaffordableforVictoriafamilies.FromnowonallchildrenarefreeonZoosMembershipswhichmeansyourchildrencanvisitusanytimeyoulikeasoftenasyoulikeforfree. CheckoutOurnewmembershipandbenefitsbelow. AnnualMembershipentitlesyouto: UnlimitedfreeentrytoHaleyvilleSanctuaryMelbourneZooandWerribeeZoofor12months. Freeaccesstointerstatezoos:TarongaZooPerthZooAdelaideZooWesternPlainsZooMonartoZoo. Newsupdatesandhappeningsatthethreezoosviae﹣NewslettersandthequarterlymagazineZooNew. DiscountsandspecialoffersonTwilightConcerttickets. 15%discountatzooshops. FreeentrytoRhythmofAfricaconcertsatWerribeeZoo. SingleMembershipPrice Adult$88.00 AdditionalAdult1ivingatsameaddress$75.00 Seniors$79.00 Child0﹣15yearsofageFREE ZoosVictoria﹣FriendsoftheZoosMembershipOffice PoBox74ParkvilleVIC3052 Phone92859325 Fax92859390 E﹣mailfriends@zoo.org.au 21.Whatisthepassageintendedtodo? A.Attractmorepeopletobuythezoosmembership. B.Introducehowtobuythenewzoosmembership. C.InformVictorianfamiliestovisitthezoosforfree. D.Persuademorechildrenunder16tovisitthethreezoos. 22.Ifyouhaveazoosmembershipcardyoucan. A.attendTwilightconcertsfreeofcharge B.buythingsatalowerpriceatzooshops C.enjoyfreeentrytothezoosfortenmonths D.enjoyAfricanmusicinthethreezoosforfree 23.Ifayoungcoupleappliesforthemembershiptheywillpay. A.﹩157 B.﹩163 C.﹩193 D.﹩232.
3分FreyaStarkexplorerandwriter FreyaStarkwasanexplorerwholivedduringatimewhenexplorerswereregardedasheroes.ShetravelledtodistantareasoftheMiddleEastwherefewEuropeans﹣especiallywomen﹣25travelbefore.ShealsotravelledextensivelyinTurkeyGreeceItalyNepalandAfghanistan. StarkwasborninParisin1893.26shehadnoformaleducationasachildshemovedaboutwithherartistparentsandlearnedFrenchGermanandItalian.SheenteredLondonUniversityin1912butatthestartofWorldWarIshejoinedthenurseteamand27sendtoItaly.AfterthewarshereturnedtoLondonandattendedtheSchoolofOrientalStudies.HerstudiesthereledtoextensivetravelintheMiddleEast28enablehertoeventuallybecomefluentinPersianRussianandTurkish. StarkbecamewellknownasatravelerandexplorerintheMiddleEast.ShetravelledtotheLebanonin1927attheageof3329shehadsavedenoughmoneyandwhilethereshestudiedArabic.In1928shetravelled30donkeytotheJebelDruzeamountainousareainSyria.Duringher31tripshewenttoadistantregionoftheElburzamountainrangeinIranwhereshemadeamap.ShewassearchingforinformationaboutanancientMuslimsectKnownastheAssassinswhichshewroteaboutinValleyoftheAssassins1934aclassic32shewasawardedaGodMedalbytheRoyalGeographicSociety.Forthe12yearsshecontinuedhercareerasatravelerandwriterestablishingastylewhichcombinedanaccountofherjourneywithpersonalcommentaryonthepeopleplacescustomshistoryandpoliticsoftheMiddleEast.
小李同学在探究电流与电压关系的实验请完成下列各题 1按照图甲所示的电路图请用笔画线代替导线完成图乙所示的实物图的连接电表均选小量程． 2连接电路时开关应处于状态． 3在做探究电流与电压关系的实验时要求保持电阻阻值不变通过改变电阻两端的观察电流大小的变化． 4如图丙所示是他在实验中的第三次测量结果其中电压U为V电流I为A． 实验记录定值电阻R＝6Ω 5分析实验数据可以得出结论在一定时通过导体的电流与导体两端的电压成．
2分诺贝尔医学奖的获得者﹣﹣屠呦呦为我们树立了很好的榜样激励我们不要半途而废而是要坚持追求梦想.set.
3分现在没有网络我们就无法便捷地与国外友人保持联系.impossible .
30分Welostanothertreeinourlaststormanditbrokemyheart.Wehavelostmanytreesthroughtheyearsbutthisonewas41. About17yearsagoIplanted10Canadianbluespruceseedlings树苗alongthedriveways.AndIdidallIcouldto42them.Shortlyafterthatastormrippedthroughourareaand43manytrees.Myseedlingssurvived.Butwhenwedecidedto44ourneighborinsellingourdownedtreeswehadto45theseedlingstokeepthemfromgettingdestroyed.46fiveofthe10bluesprucetreesdidn'tsurvivebeingmoved. Ofthefivethat47threewereinourfrontyardwhereIcouldwatchthemgrowintomaturetreesfrommyfrontwindow.WhenoneofthebigDouglasfirs花旗松thattowered48themdiedwedecidedtocutitdownbeforeitfell.Aftermuch49myhusbandandmysondecidedtheycoulddropitwithout50anyofthebluesprucetrees.Iwatched51asthedramaunfoldedprayingthewholetimeI52thechainsaw电锯.Thefirfellrightbetweentwoofthem53plannedandmytreescontinuedtogrow. ThenonenightIwaslyinginbedduringyetanother54andheardaloudnoisefollowedbythesoundofatreecrashingdown.ThenextmorningI55tofindthelargestofourbluespruceslyingontheground;Iwasincrediblyupset.For17yearsI'd56watchingitgrowfromaseedlingtoatreenearly40feettall.Nowitwas57. Losingmytreewashardto58eventhoughIknewitwasnature'sway.IalsoknewtherewasonlyonethingIcoulddoaboutit.Another10newseedlingsrecentlyarrived.Iplantedthemina59spotclosetothehouse.Whenthey'realittlelargerI'lltransplantthemtoapermanentspotwhereIcan60themgrowtallandbeautiful. 41.A.significant B.different C.valuable D.unaffordable 42.A.protect B.grow C.attend D.develop 43.A.rippedoff B.stoleaway C.tookdown D.blownup 44.A.persuade B.resist C.appreciate D.join 45.A.cover B.transplant C.move D.preserve 46.A.Disappointedly B.Consequently C.Unexpectedly D.Sadly 47.A.left B.lived C.moved D.sold 48.A.upon B.down C.over D.through 49.A.debate B.design C.measure D.consideration 50.A.stretching B.reaching C.threatening D.hitting 51.A.breathlessly B.excitedly C.attentively D.carefully 52.A.held B.stuck C.heard D.operated 53.A.after B.as C.when D.though 54.A.nightmare B.drama C.windstorm D.weekend 55.A.woke B.happened C.rushed D.came 56.A.accustomed B.finished C.managed D.enjoyed 57.A.fallen B.gone C.done D.lost 58.A.believe B.endure C.accept D.adapt 59.A.secret B.safe C.convenient D.hidden 60.A.accompany B.watch C.imagine D.shelter
如图所示在螺线管内插一个铁芯当电流通过螺线管时螺线管中的铁芯就被电流的磁场使它的磁性．我们可以通过观察通电螺线管来判断磁场的强弱．当电路断开时它们的磁性．
天气转凉妈妈买来电热毯其简化电路图和铭牌如图所示．R1和R2为发热电阻丝． 1高温状态下电路中的电流是多少加热10min电路消耗的电能是多少 2R1和R2的阻值各是多少
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8分AboutthreedecadesagoChinawasknownastheBicycleKingdom.Butlateronbikeswerereplacedbytheirfuel﹣poweredcompetitors. ButrecentmonthshaveseenarevivalofthehumblebikeacrossChinawithanincreasingnumberofpeoplechoosingcyclinginsteadofdrivingtoschoolstoworkplacesortodosightseeing.Theintroductionofbike﹣sharingschemespioneeredbystart﹣upslikeOfoandMobikehasbroughtthetrendtoanewlevel. Peoplecanunlockthesharedbikesbysimplyusingtheirsmartphone.ThebikesareequippedwithGPSandcanbeleftanywhereinpublicforthenextuser.They'repopularamongmanyChinesepeopleastheyprovideaneffectivesolutiontothelastmileproblemwhichreferstothefinallegofaperson'sjourney. Inplaceswherethesubwaydoesn'textendwhereit'sdifficulttochangefromonekindoftransporttoanotherit'ssoeasytogetwhereyouwanttogowithMobikeHuHong29toldAFP.ShepedalstoherShanghaireal﹣estatejob. Howevertheschemeshavealsoledtoproblemssuchasillegalparkingvandalismandtheft.LastmonthtwonursesinBeijingwereplacedunderadministrativepunishmentforfivedaysforputtinglocksontwosharedbikes.AndinDecemberamanwhostoleasharedbikewassentencedtoa3﹣monthdetentionwitha3﹣monthprobationandfined1000yuanbytheShanghaiMinhangPeople'sCourt. Bike﹣sharingisagreenermethodoftransportationandprovidesauser﹣friendlyexperiencesaidLiuXiaomingvice﹣ministeroftransport.Butit'sacombinationofonlineandofflinebusiness.Operatorsareusuallystronginonlineservicesbutlackofflinebusinessexperiencewhichcausesproblems.Todealwiththeseproblemsthecompanycameupwiththeideaofencouragingpeopletoreturnthebikestostationsbyrewardingfreetimefortheirnextrides. 32.Whohasbroughttherevivalofbiketoanewlevel? A.Thelocalgovernment B.Thebusinessman C.Thestudentsandworkers D.Thepioneeredstart﹣ups 33.Whichofthefollowingdoesn'tbelongtothelastmileproblem? A.Missingthebusinessplanefortrafficjam. B.Togettosomewherethesubwaydoesn'treach. C.Havingtroublesinchangingfrombustotaxi. D.Havingnofinallegofaperson'stravel. 34.Whatreasoncausesmanyproblemsinbike﹣sharing? A.Somepeoplemakedamagetothebikesonpurpose. B.Operatorslackofflinebusinessexperience. C.Thebike﹣sharingbusinessistoocomplicatedtorun. D.Therearenorelativelawsonthisbusiness. 35.What'sthebesttitleofthispassage? A.BicycleKingdombecamefamousagain. B.Anewwayoftransportation. C.Ridingbikesforfree. D.Bikespedalingbackintostyles.
10分JusthowmuchdoestheConstitution__protectyourdigitaldata?TheSupremeCourtwillnowconsiderwhetherpolicecansearchthecontentsofamobilephonewithoutawarrant授权令ifthephoneisonoraroundapersonduringanarrest. Californiahasaskedthejusticestorestorethepracticethatthepolicemaysearchthroughthecontentsofsuspects'smartphonesatthetimeoftheirarrest.Itishardthestatesaysforjudgestoassesstheimplicationsofnewandrapidlychangingtechnologies. ThejusticeswouldbecarelessiftheyfollowedCalifornia'sadvice.TheyshouldstartbyrejectingCalifornia'sweakargumentthatexploringthecontentsofasmartphoneissimilartosaygoingthroughasuspect'swallet.Thecourthasruledthatpolicedon'toffendagainsttheFourthAmendment修正案whentheygothroughthewalletofanarresteewithoutawarrant.Infactexploringone'ssmartphoneismorelikeenteringhisorherhome.Asmartphonemaycontainanarrestee'sreadinghistoryfinancialhistorymedicalhistoryandcomprehensiverecordsofrecentcorrespondence. Americansshouldtakestepstoprotecttheirowndigitalprivacyandshouldavoidputtingimportantinformationinsmartphones.Butkeepingsensitiveinformationonthesedevicesisincreasinglyarequirementofnormallife.CitizensstillhavearighttoexpectprivatedocumentstoremainprivateandprotectedbytheConstitution'sprohibitiononunreasonablesearches. Inmanycasesitwouldnotbeverydifficultforauthoritiestoobtainawarranttosearchthroughphonecontents.Theycouldstilltrump打出王牌theFourthAmendmentprotectionswhenfacingsevereanddangerouscircumstancessuchasthethreatofimmediateharmandtheycouldtakereasonablemeasurestoensurethatphonedataarenotdeletedoralteredwhileawarrantisontheway.Thejusticesthoughmaywanttoallowroomforpolicetocitesituationswheretheyareentitledtomoreflexibility. ButthejusticesshouldnotswallowCalifornia'sargumentwhole.NewtechnologysometimesdemandsfreshapplicationsoftheConstitution'sprotections.OrinKerralawprofessorcomparestheexplosionandaccessibilityofdigitalinformationinthe21stcenturywiththeestablishmentofautomobileuseasadigitalnecessityoflifeinthe20th.Atthattimethejusticeshadtoexplainnewrulesforthenewpersonaldomain领域ofcars.SimilarlythejusticesmustsortouthowtheFourthAmendmentoftheConstitutionappliestodigitalinformationnow. 73.TheSupremeCourtwillworkoutwhetherduringanarrestitislegalto. A.searchforsuspects'mobilephoneswithoutawarrant B.checksuspects'phonecontentswithoutbeingauthorized C.preventsuspectsfromdeletingtheirphonecontents D.prohibitsuspectsfromusingtheirmobilephones 74.Theauthor'sattitudetowardCalifornia'sargumentisoneof. A.toleranceB.indifferenceC.disapprovalD.carefulness 75.Theauthorbelievesthatexploringone'sphonecontentiscomparableto. A.gettingintoone'sresidence B.handingone'shistoricalrecords C.scanningone'scorrespondences D.goingthroughone'swallet 76.InParagraph4and5theauthorshowshisconcernthat. A.principlesarehardtobeclearlyexpressed B.thecourtisgivingpolicelessroomforaction C.phonesareusedtostoresensitiveinformation D.citizens'privacyisnoteffectivelyprotected 77.OrinKerr'scomparisonisquotedtoindicatethat. A.theConstitutionshouldbecarriedoutflexibly B.NewtechnologyalsorequiresreinterpretationoftheConstitution C.California'sargumentgoesagainstprinciplesoftheConstitution D.PrinciplesoftheConstitutionshouldneverbealtered.
2分尽管各国已做出不懈的努力但还需要采取更有效的措施来应对日益严重的环境问题.Despite.
7分Thehardlivesofagingmigrantworkershavecometonationalattentionlately.Themediahavereportedthatmanymigrantworkersovertheageof50saytheywanttosaveasmuchmoneyastheirbodyallowsthem25continueearning.Theyhavenopensionswhich26enjoybyurbanworkersandmanyarestillthechiefearnersoftheirfamilies.Theykeepuptheirenergyby27eatmoremeatandconcealtheiragebydyingtheirhair. CommentatorChengZhenweiwritesonrednet.cnthatwhilethephysicalwell﹣beingofthesemigrantworkersisworrisome28conditionsoftheirfamiliesandtheirchildrenareabiggerconcern.Manyofthemigrantworkers'childrenarealsopoorandhavelittlemeanstosupporttheirparents. Worsestill29theyoftendon'thavearethestomachandwillforhardworkandalsothelackofeducationorskillstofindbetter﹣payingjobs.30facewiththeirowndifficulteconomicsituationthesemigrantworkersareshortofhopeandprospectofinheritedpovertyonthepartoftheirchildren31istheworstthingforthemaccordingtoCheng.
3分Therewasatimewhenwethoughthumanswerespecialinsomanyways.Nowweknowbetter.Wearenottheonlyspeciesthatfeelsemotionsorfollowsamoralcode.Neitherarewetheonlyoneswithpersonalitiesculturesandtheabilitytodesignandusetools.Yetweallagreethatonethingatleastmakesusunique:wealonehavetheabilityoflanguage.Itturnsoutthatwearenotsospecialinthisaspecteither.Keytotherevolutionaryreassessmentofourtalentforcommunicationisthewaywethinkaboutlanguageitself.Whereonceitwasseenasanunusualobjecttodayscientistsfinditismoreproductivetothinkoflanguageasagroupofabilities.Viewedthiswayitbecomesapparentthatthecomponentpartsoflanguagearenotasuniqueasthewhole.Takegesturearguablythestartingpointforlanguage.Untilrecentlyitwasconsidereduniquelyhuman﹣butnotanymore.MikeTomasellooftheMaxPlanckInstituteforEvolutionaryAnthropologyinLeipzigGermanyandothershavecollectedalistofgesturesobservedinmonkeysandsomeotheranimalswhichrevealsthatgesturesplayalargeroleintheircommunication.Ape猿gesturescaninvolvetouchvocalisingoreyemovementandindividualswaituntiltheyhaveanotherape'sattentionbeforemakingvisualorauditorygestures.Iftheirgesturesgounacknowledgedtheywilloftenrepeatthem.Inanexperimentcarriedoutin2006byEricaCartmillandRichardByrnefromtheUniversityofStAndrewsintheUKtheygotapersontositonachairwithsomehighlydesirablefoodsuchasbananatoonesideofapesandsomeundesirablefoodsuchasvegetablestotheother.Theapeswhocouldseethepersonandthefoodfromtheirenclosuresgesturedattheirhumanpartnerstoencouragethemtopushthedesirablefoodtheirway.Ifthepersonshowedincomprehensionandofferedthevegetablestheanimalswouldchangetheirgestures﹣justashumanswouldinasimilarsituation.Ifthehumanseemedtounderstandwhilebeingsomewhatconfusedgivingonlyhalfthepreferredfoodtheapeswouldrepeatandexaggeratetheirgestures﹣againinexactlythesamewayahumanwould.Suchfindingshighlightthefactthatthegesturesoftheanimalsarenotmerelyinbornbutarelearnedflexibleandundervoluntarycontrol﹣allcharacteristicsthatareconsideredpreconditionsforhuman﹣likecommunication.73.Comparedwithalltheotheranimalsweagreethathumansalone.A.owntheabilitytoshowtheirpersonalitiesB.arecapableofusinglanguagetocommunicateC.havemoralstandardsandfollowtheminsocietyD.areintelligentenoughtoreleaseandcontrolemotions74.Accordingtothepassagehumansarenotsospecialinlanguageabilitybecauselanguage.A.involvessomeabilitiesthatcanbemasteredbyanimalsB.isatalentimpossiblyownedbyotheranimalsC.canbedividedintodifferentcomponentsD.areproductiveforsometalentedanimals75.Whichofthestatementscanbeconcludedfromthepassage?A.Someanimalscantrytousebodylanguagesascommunicationmethods.B.Gesturesthestartingpointforlanguageareconsidereduniquelyhuman.C.Someanimalssuchasapesandmonkeyssharesomecommongesturescodes.D.Whengesturesaremisunderstoodapeswilloftentrytoexpressinanewway.76.WhatcanwelearnfromtheexperimentbyCartmillandByrne?A.Apescanuselanguagetocommunicatewiththehelpofhumans.B.Repeatingandexaggeratinggesturesisvitalinlanguagecommunication.C.Someanimalscanlearntoexpressandcommunicatethroughsometrials.D.Thepreferredfoodstimulatessomeanimalstouselanguagetocommunicate.77.Whatisprobablythebesttitleofthepassage?A.Languageinvolvesgestures!B.Animalslanguage﹣gestures!C.Soyouthinkhumansareunique?D.Thesimilaritybetweenhumansandapes.
8分Technologicalchangeiseverywhereandaffectseveryaspectoflifemostlyforthebetter.Howeversocialchangesbroughtaboutbynewtechnologyareoftenmistakenforachangeinattitudes. Anexampleathandistheinvolvementofparentsinthelivesoftheirchildrenwhoareattendingcollege.Surveysonthistopicsuggestthatparentstodaycontinuetobeveryorsomewhatoverly﹣protectiveevenaftertheirchildrenmoveintocollegedormitories.Thesamesurveysalsoindicatethattherateofparentalinvolvementisgreatertodaythanitwasagenerationago.ThisisusuallyinterpretedasasignthatToday'sparentsaretryingtomanagetheirchildren'slivespastthepointwherethisbehaviorisappropriate. Howevergreaterparentalinvolvementdoesnotindicatethatparentsarefailingtoletgooftheiradultchildren. Inthecontextofthisdiscussionitseemsvaluabletofirstfindoutthecauseofchangeinthecaseofparents'involvementwiththeirgrownchildren.Ifparentsofearliergenerationshadwantedtobeintouchwiththeircollege﹣agechildrenfrequentlywouldthishavebeenpossible?Probablynot.Ontheotherhanddoesthepossibilityoffrequentcommunicationtodaymeanthattheimpulsetodosowasn'tpresentagenerationago?Manystudiesshowthatolderparents﹣﹣today'sgrandparents﹣wouldhavecalledtheirchildrenmoreoftenifthemeansandcostofdoingsohadnotbeenabarrier. Furthermorestudiesshowthatfinancesarethemostfrequentsubjectofcommunicationbetweenparentsandtheircollegechildren.Thefactthatcollegestudentsarefinanciallydependentontheirparentsisnothingnew;norarerequestsformoremoneytobesentfromhome.Thisphenomenonisneithergoodnorbad;itisafactofcollegelifetodayandinthepast. Thankstotheadvancedtechnologyweliveinanageofbetteredcommunication.Thishasmanyimplicationswellbeyondtherolethatparentsseemtoplayinthelivesoftheirchildrenwhohaveleftforcollege.Butitisusefultobearinmindthatallsuchchangescomefromthetechnologyandnotsomeimagineddesirebyparentstokeeptheirchildrenundertheirwings. 66.Thesurveysinformusof. A.theconditionsofcollegedormitories B.thesignofparent'smanagementintheirownbehaviors C.thedevelopmentofcommunicationtechnology D.theparents'over﹣protectionoftheircollegechildren 67.Whichofthefollowingstatementdoestheauthormostprobablyagreewith? A.Technologyexplainsgreaterparentalinvolvementwiththeirchildren. B.Parents'changedattitudesleadtocollegechildren'sdelayedindependence. C.Parentstodayarelessprotectivethanthoseinthepast. D.Thedisadvantagesofnewtechnologyoutweighitsadvantages. 68.Whatisthemeaningofthewordimpulseinthispassage? A.Desperation.B.Admiration.C.Urge.D.Depression. 69.Whichofthefollowingwouldbethebesttitleforthepassage? A.DependenceorIndependence. B.TechnologyorAttitude. C.FamilyInfluenceorSocialChanges. D.CollegeManagementorCommunicationAdvancement.
15分Dr.GeYunhashelpedmanykidswhowerebornwithdefects缺陷61includeme.ShedidmyfirsttwooperationswhenIwasababywhichwerethemostimportantand62effect. Idon'trememberthefirsttwooperationsverywell.63Idorecallthethird.Dr.GeYunwaskindandeasedmeintotheprocess.Shetriedeverythingshecould64makesurethatIwasokay.I65recentsawapictureofmebeforemyoperationandIknewwhatabigjobshedid. Dr.GeYunoperates66peoplewithalltypesofbirthdefects.Shealsogoestoothercountries67peoplecannotaffordthetreatmentandhelpsthemforfree.Manypeoplebenefitfromhernewways68inventtofixbirthdefectsoftheheadandface.She69winmanyawardssofar. ThoughIwasjustoneofthepatientstohertomeshewas70muchthanjustmydoctor.Shewasandismyheroandshereturnedthesmiletome.
如图所示小磁针在条形磁体作用下处于静止状态请标出小磁针的N极和A点处的磁场方向用箭头表示．
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文. 文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏字符号^并在其下面写出该加的词. 删除:把多余的词用斜线\划掉. 修改:在错的词下划一横线并在该词下面写出修改后的词. 注意:1.每处错误及其修改均仅限一词; 2.只允许修改10处多着从第11处起不计分. LastAugustIwenttoSacramentoUSA.I'dbelookingforwardtoitforagesbutintheenditturned outtobetheworstholidaysofmylife.Mymotherwasbornherebutshehadn'tbeenbackforvisitfor twentyyearssoshehaddecidedtocomewithoutme.WhenourplanetoucheddownIlookedoutof thewindowincuriositybutshockedtofinditwaspouringdown!Mymumsaidnottoworry astheweathercouldchangeveryquick.InallwespenttwoweeksinSacramento.Believeitornot thesundoesn'tcomeoutevenonce!Insteadofgoingtothebeachorsightseeingwespentmostdays visitingmuseumsandwentshopping.ItcertainlywasnottheholidaythatIhadexpectedfor.
10分 QuiteofteneducatorstellfamiliesofchildrenwhoarelearningEnglishasasecondlanguagetospeakonlyEnglishandnottheirnativelanguageathome.Althoughtheseeducatorsmayhavegood41theiradvicetofamiliesismisguidedanditarisesfrommisunderstandingsabouttheprocessoflanguage42.Educatorsmayfearthatchildrenhearingtwolanguageswillbecome43confusedandthustheirlanguagedevelopmentwillbe44.Childrenarecapableoflearningmorethanonelanguagewhethersimultaneously同时地orsequentially依次地.InfactmostchildrenoutsideoftheUnitedStatesareexpectedtobecomebilingualoreveninmanycasesmultilingual.Globallyknowingmorethanonelanguageisviewedasanasset资产andevena45inmanyareas. ItisalsoofconcernthatthemisguidedadvicethatstudentsshouldspeakonlyEnglishisgiven46topoorfamilieswithlimitededucationalopportunitiesnottowealthierfamilieswhohavemanyeducationaladvantages.Sincechildrenfrompoorfamiliesoftenare47asat﹣riskforacademicfailureteachersbelievethatadvisingfamiliestospeakEnglishonlyisappropriate.Teachersconsiderlearningtwolanguagestobetoo48forchildrenfrompoorfamiliesbelievingthatthechildrenarealreadyburdenedbytheirhomesituations. IffamiliesdonotknowEnglishorhavelimitedEnglishskillsthemselveshowcantheycommunicateinEnglish?Advisingnon﹣English﹣speakingfamiliestospeakonlyEnglishis49totellingthemnottocommunicatewithor50withtheirchildren.Moreovertheunderlyingmessageisthatthefamily'snativelanguageisnotimportantorvalued.
8分AreportbytheUS'OpenSyllabusProjectfoundthatthemostreadbooksamongUScollegestudentsinthepastyearwerethelikesofTheRepublicbyancientGreekphilosopherPlatoandTheClashofCivilizationsbyUSpoliticalscientistSamuelHuntington.AndaccordingtoreportsreleasedbyChinesecollegelibrariesthemostpopularbooksamongChinesestudentsarenovelslikeJourneyUndertheMidnightSunbyJapanesewriterKeigoHigashinoandDemi﹣GodsandSemi﹣Devils天龙八部byChineseauthorLouisCha. ThisisconsideredbymanytobeoneofthereasonswhyChinesestudentsaresometimesnotasgoodatcriticalthinkingorobservingglobalperspectivesasUSstudents﹣theyreadtoomanybestsellernovels. ByreadingtextsinsocialstudiesscienceandotherdisciplinesstudentsbuildafoundationofknowledgeinthesefieldsthatwillalsogivethemthebackgroundtobebetterreadersinallareasRobertPondisciovicepresidentoftheCoreKnowledgeFoundationintheUStoldTheWashingtonPost. AccordingtoChinaYouthDailythereareusuallyfivestageswhenitcomestoreadingwithpopularnovelsatthebottom.Moreadvancedreadersnormallygoontoreadclassicfictionalliteraturehistoryandphilosophyorbookswithcriticalideas.Thefifthstageinvolvesstudentsmakingtheirownreadinglistsbasedontheideological意识形态的systemstheyhavebuiltthroughouttheyears. Wespendhoursdaysorevenweeksonabooksoit'sonlynaturalthatwewanttolearnsomethingusefulinreturnforourefforts.Manyseereadingasaninvestmentinthemselves. Butthispracticalviewofliteratureandthethoughtthathistoryandphilosophybooksaresuperiortonovelsisnotagreedbyeveryone.Afterallwhattheyofferaretwodifferentkindsofsatisfaction.Whiletheformerprovidesknowledgethelatterbringssentimental情感的experiences.FictionandpoetryaremedicinesUKwriterJeanetteWintersononcewrote.Whattheyhealistherupture裂痕realitymakesontheimagination. 24.Thepurposeofparagraphoneisto. A.comparethepopularbooksbetweentheUSandChinesestudents. B.introducethedifferentdiscoveriesfromChinaandtheUS. C.analyzetheculturaldifferencesofthetwocountries. D.statewhyChinesestudentsaresometimesnotgoodatcriticalthinking 25.Toknowsomethingineachareastudentsshouldread. A.famousnovelswhichhaswonmanyprizes B.textsinsocialstudiesandotherdisciplines C.modernmagazineswhichhavegainedgreatpopularity D.sciencefictionsinvolvingknowledgeinmanyareas 26.AccordingtoChinaYouthDailywhichisthehigheststagewhilereading? A.Booksbasedonthereaders'thought. B.Classicfictionalliterature. C.Bookswithcriticalideas. D.Popularnovels. 27.Whatcanweinferfromthelasttwoparagraphs? A.Historybooksaresuperiortonovels. B.JeanetteWintersonthoughtfictionandpoetryarealsouseful. C.Philosophybookshelpthereadersgetemotionalexperience. D.Thewriterpreferstoreadthehistoricalandscientificbooks.
查询资料可知某地区冬季太阳能集热管每平方米面积上平均每天可接收的太阳能是1.7×107J．用300m2集热管接收的太阳能代替煤煤的热值是3×107J/kg．每天300m2集热管接收的太阳能是J．平均一个星期可节约煤t煤完全燃烧．
如图甲所示是小明在做“用伏安法测量某定值电阻R的阻值”的实验电路图 1实验前滑动变阻器的滑片应置于填“最左”或“最右”端其目的是为了． 2闭合开关移动滑动变阻器滑片P发现电压表始终无示数电流表有示数其原因可能是填字母 A滑动变阻器断路BR断路CR短路 3排除故障后当电压表的示数如图乙所示时电流表的示数如图丙所示则定值电阻的阻值是Ω． 4通常情况下要进行多次测量并取平均值其目的是为了．
10分TipsforStayingSharpIt'snotabnormaltofeeloutofitfromtimetotimeorperhapsyou'refeelingabitsluggish迟钝的whenitcomestorememberingthings.Ifyou'reworriedaboutyourforgetfulnesstryoutthesefivetipstostaysharp.36You'veprobablyheardthetermyouarewhatyoueat.Ifyoudecidetoeatsugaryfoodsthatareheavywithfatsthenexpecttofeellazyandhavenoenergy.Butifyoudecidetoeatfruitsvegetablesandmakeotherhealthyeatingdecisionsyou'11findthatyou'refullofenergy.NeverstoplearningChallengeyourselfconstantly﹣whetheritispuzzlesreadingcookingorothertasksthatwillkeepyourmindworking.Ifyourmindisalwayslearningnewthingsandactiveyou'11realizethatit'smucheasierforyoutolearnnewthingsandtofunction.37StayfitBeingingoodhealthandstayinginshapeisabigpartofstayingsharp.38Ifyouchoosetobelazythenyourbodyisnotgoingtogiveyoutheenergythatrequiresrememberingthingsandcompletingtasks.Howeverifyouputforththeeffortintobeinghealthythenyourbodywillexpel释放theenergyyouneedtoachieveyourgoals.EnsureenoughsleepBesuretogetthenecessaryamountofsleepthatyourbodyneedstofunctiononadailybasis.39Italsohelpsyourbodybuildupanenergyreservesoyoucanimproveyourabilitytofocusandavoiddistractions.Socializemore40Socialinteractionwillhelpyoudevelopmultitaskingproblemsolvingandotherskillsthatarenecessaryinlifetokeepyourmindsharp.A.Feedyourbrain.B.Avoideatingtoomuch.C.Yourbodywillonlygiveyouwhatyouputintoit.D.Lackofsleepcontributestotirednessandslowreaction.E.Conversationsrequireindividualstostayawareandactive.F.Accordingtostudiessleephelpsstrengthenandrecoveryourmemories.G.Rememberyourbrainisamuscleandifyouwanttogetthemostoutofityoumustuseit.
2分他采纳医生的建议开始实施节食计划.carry.
25分假定你是李华学校将于5月底开展英语阅读周活动请给你的英国笔友Peter写信向他说明该活动的目的和意义并请他推荐适合高中生阅读的英文书籍. 注意: 1.词数100左右; 2.可适当增加细节以使行文连贯. .
8分Giantkitescouldsupplygreenenergywithouttheneedfortaxpayer﹣fundedsubsidies津贴withinyears.KitePowerSolutionsexpectstoopentheU.K.'sfirstkitepowerplantthisyearinScotland.Ithopestolaunchthetechnologyonshoreandatseabuildingsystemswiththecapacitytoproducehundredsofmegawattsofpowerwithinthedecade.Thecompanybelievesthetechnologycouldreducethecostofwindenergy.Anditpredictedthatkitepowerwouldcostsolittlethatdevelopingcountrieswouldbemorelikelytouseittofreethemselvesoffpollutingcarbon﹣heavyenergysources.AspokesmanAinsworthforKitePowerSolutionssaidthetechnologycoulddecreasethecostofoffshorewindenergymeetingtheneedforgovernments'effortstoreducecarbonemissions排放.Hesaidthetechnologywaseasytofixandmaintainmeaningitcouldbeusedindeepwateronfloatingstructuresfarfromshore.Ifwedothatitopensupaglobaldeepwateroffshorewindmarkethesaid.ThetechnologycouldcontrolrisingCO2emissionsinthedevelopingworldwheretheneedtosavemoneyforcespeopletoadopttopollutingtechnologiessuchasdiesel.ThecompanyhastestedthetechnologyonasmallscaleinEssexandwillmoveitsheadquarterstoGlasgowtopreparefornextyear'slaunch.Ithaswonplanningpermissionfora500KWdemonstrationsystem.TheU.K.'sgreenenergytradebodyRenewableU.K.welcomedthetechnologybutwarneditwasnotasilverbullet.ThedeputychiefexecutiveMarSmithsaid:Thisisanambitiousprojecttodevelopwindpoweratextraordinaryheightsanditshowsthelevelofnewideaswithintherenewableindustry.Kitepowerisatanearlystageofdevelopmentanditwilltaketimetoseehowthetechnologyprogresses.Anywaywewillneedawiderangeofenergysourcesinthefuturetomeetourneedsinanenvironmentallyfriendlyway.28.Whatisthebiggestadvantageofkitepower?A.Itslowcost.B.Itswideuse.C.Itsgreatflexibility.D.Itshighquality.29.IntheeyesofAinsworthkitepowercan.A.getridofairpollutionB.beconvenienttouseC.helpexploretheoceanD.dealwithwatershortage30.Whatdoestheunderlinedphraseasilverbulletmean?A.ascientificideaB.apracticalwayC.aquicksolutionD.asuitablechoice31.Whatistheauthor'spurposeinwritingthepassage?A.Toargueforcleanerenergies.B.Tointroduceanewwaytogetenergy.C.Toadvertiseagreatenergycompany.D.Tocomparedifferentenergyresources.
3分Weareallattractedbymagicianswhoseemtobeabletoperformimpossibleactssuchaspullingwhiterabbitsoutofhatsandcuttingawomaninhalf.Likeallperformancesthoughamagician'srealsecretisinpracticingthoroughlybeforeshowinganyonetheirtricks. MagicMatchsticks Youwillneed •severalmatchsticks •ahandkerchiefwithhems折缝alongtheedges Whattodo 1.Showtheaudienceamatchstick. 2.Takeacleancottonhandkerchieffromyourpocketandshakeitoutshowingbothsidestoproveyouarenothidinganything. 3.Wrapthematchstickinthehandkerchief. 4.Askoneoftheaudiencememberstofeelthematchstickinsidethehandkerchiefandbreakit. 5.Shakethehandkerchiefallowingtheunbrokenmatchsticktofallontothefloor! Thesecret Beforeyoubegintheperformanceslipamatchstickintothehemofthehandkerchief.Whenyouasksomeonetobreakthewrapped﹣upmatchstickmakesurethattheybreaktheonehiddeninthehemwhentheyfeelittheywillthinkitistheonetheysawyouwrapintothehandkerchief. It'sagoodideatohavetwoorthreehandkerchiefswithmatchsticksalreadysecretlyinthehemsasyouraudienceissuretobeshockedandaskyoutodothetrickagain.Butdon'tletthemrealisethatyouarechanginghandkerchiefsortheymaybecomesuspicious! 66.Ifamagicianwantstosucceedonthestageheorshemust. A.practicethemagiccompletely B.havesomemagicalmatchsticks C.recitetheprocessthoroughly D.keepthesecretunknownforever 67.Whichofthefollowingpicturesshowsthestep3? 68.OneofthesecretsofMagicmatchsticksisto. A.makethehiddenmatchstickbrokeninthehem B.keepaudiencefrombeingsuspiciousduringthemagic C.inviteoneoftheaudiencetobreakthematchstick D.confusethetwodifferentmatchsticksinthehandkerchief.
8分Beforetheytooktheirplacesintheliteraryhalloffamemanyfamousauthorsfoughtthroughinsignificanceandself﹣doubt.Herearesomeexamples: StephenKing King'swritingcareerhadabadbeginning.Sohedevelopedadrinkingproblemandactuallythrewthemanuscriptforhisfirstnoveltothetrashuntilhiswifegotitbackandconvincedhimtosubmitittopublishers.ThatnovelCamewaspublishedin1973whenKingwas26.Itearnedhim﹩400000inpaperbackrightsaloneandcontinuestobeoneofhismostbelovedworks. JamesBaldwin WhenBaldwinwas5hismotherlefthisbiologicalfatherandmarriedagain.Thefamilywasverypoorandhehadtocareforyoungersisters.In1948wantingtoescapethediscriminationandprejudiceagainstblacksandgaysinAmericaBaldwinwenttoParisandremainedthereformostofhisadultlife.HepublishedhisfirstnovelGoTellitOntheMountainaauto﹣biographicalstorywhenhewas29. F.ScottFitzgerald Attheageof21FitzgeraldfellinlovewithZeldaSayrehisfuturewife.InordertowinherhandinmarriageFitzgeraldhadto.provethathecouldsupportherfinanciallyHisfirstemploymentwasamiserablefailureandasaresulttheengagement订婚wasputonhold.ButwhenFitzgeraldpublishedhisfirstnovelThisSideofParadiseat23Zelda'sfamilyfinallygavetheirblessing. JackLondon In1897attheageof21JackLondonsailedwithhisbrother﹣in﹣lawtoAlaskatojointheGoldRush.Thetwodidn'texactlygetrichbuttheexperienceprovidedinspirationforsomeofLondon'searliestshortstoriespublishedinthesameyearandgavetheSan﹣Francisco﹣bornwriteralifelongfascinationwithAlaska. 1Accordingtothepassagewhichwriterwastheyoungesttopublishhisfirstnovel? A.StephenKing. B.JamesBaldwin. C.F.ScottFitzgerald. D.JackLondon. 2Theunderlinedphraseputonholdinthepassageprobablymeans. A.delayed B.controlled C.canceled D.defeated 3JamesBaldwinmovedtoFranceprobablybecause. A.hismotherlefthisbiologicalfather B.hewastreatedunfairlyasablackinU.S. C.heplannedtospendhisadultlifeabroad D.hewastiredofsupportinghispoorfamily 4WhichofthefollowingstatementsisTRUE? A.JackLondonlivedforallhislifeinAlaska. B.StephenKingearned﹩400000forhisfirstnovel. C.Baldwin'sfirstnovelwasabouthisownlife. D.ThisSideofParadisewaswrittenfortheauthor'swife.
3分 JapaneseandAmericanComicBookHeroes Tosomepeopletheideaofreadingcomicbooksseemschildish.Tootherscomicsarenothingmorethan41oftheirhappychildhoods.Butforpeoplewholovecomicbookstheycanbean42escapefromtherealitiesofmodernlife.Comicsareableto43readerstobrightly﹣coloredimaginaryworldswheresuperheroesfightwithsuper﹣monsterswheregoodcansucceedoverbadandwhereheroescansavethousandsofinnocentpeoplefromthebadguys.ComicsarepublishedgloballybutJapaneseandAmericanversions44themarketdespitethefact﹣orperhapsbecause﹣theydifferinsomeways. Onedifferenceistheappearanceoftheheroes.Manga[日语]漫画heroeslooksmalleryoungerandmoreimmaturethantheirall﹣conqueringAmericanoneswhohavesportmusclesandwearthemedclothes.AlsomangaheroesrarelylookJapaneseandthestoriesarenottypicallysetwithinaJapanese45.ConverselyAmericancomicheroesdespitetheirmasksareproudlyAmericanandareadmiredfortheir46todefendU.S.cities.ImportantlyinJapanamangacreatorcanhimselforherselfbecomeanationalherobecomingalmostasfamousasthecharacters. Probablythebiggestdifferenceisthe47.Upuntilthe1950sAmericancomicbookswerereadbybothchildrenandadultswithpopulartitlessuchasSupermansellingasmanyashalfamillioncopiespermonth.The48ofTVhoweverledtoalong﹣termdeclineinsalessothatnowtheaveragereaderofanAmericancomicbookisateenageboywithaninterestinsuperheroes.InJapanthe49couldn'tbegreater.Theremangasalesarestill50reachingashighas7billioneachyearlargelybecausereadersrangefromyoungboysandgirlsuptomiddle﹣agedmenandwomen.AsurveybytheMainichinewspaperestimatesthat42percentofwomenaged20to49readcomics.MangaformenandboysliketheAmericancomicstendtobeaction﹣orientedwhilemangaforwomenandgirlstendtobefocusedonrelationships.
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