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下列试剂：①pH试纸、②无色酚酞溶液、③紫色石蕊溶液、④碳酸钠溶液，其中能将稀盐酸、氯化钠溶液和澄清石灰水鉴别出来的是（ ）
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下列四种试剂中不能将澄清石灰水氯化钠溶液稀盐酸三种无色溶液一次性鉴别出来的是
碳酸钠溶液
无色酚酞溶液
紫色石蕊溶液
pH试纸
现有稀盐酸澄清石灰水氯化钠溶液三种无色溶液龙龙认为可用下列四种试剂进行一次性鉴别你觉得不可行的是
无色酚酞溶液
pH.试纸
Na
2
CO
3
溶液
紫色石蕊溶液
金鱼的鱼卵孵化时对水体的酸碱性有较高的要求兴趣小组的同学想测定鱼缸内的水的酸碱性强弱程度他们应该选
紫色石蕊试剂
氯化钠溶液
无色酚酞试剂
pH试纸
下列试剂①pH试纸②无色酚酞溶液③紫色石蕊溶液④碳酸钠溶液其中能将稀盐酸氯化钠溶液和澄清石灰水鉴别
①②③
①③④
②③④
①②④
鉴别稀盐酸氢氧化钠溶液氯化钠溶液蒸馏水4种无色液体可以选用
无色酚酞试液 紫色石蕊试液
碳酸钠溶液 无色酚酞试液
紫色石蕊试液 硝酸银溶液
pH试纸 硝酸银溶液
现有稀盐酸澄清石灰水氯化钠溶液三种无色溶液小丽认为可用下列四种试剂进行一次性鉴别你觉得不可行的是
无色酚酞溶液
pH.试纸
Na
2
CO
3
溶液
紫色石蕊溶液
只用一种下列试剂不能鉴别稀硫酸氯化钠和氢氧化钡三种无色溶液的是
pH试纸
稀盐酸
紫色石蕊试液
碳酸钠溶液
不能用于鉴别NaOH溶液和盐酸溶液的是
紫色石蕊溶液
无色酚酞溶液
NaCl溶液
pH试纸
只用一种下列试剂不能鉴别稀硫酸氯化钠和氢氧化钡三种无色溶液的是
pH试纸
稀盐酸
紫色石蕊试液
碳酸钠溶液
不能鉴别蒸馏水稀盐酸石灰水的试剂是
紫色石蕊试液
碳酸钠溶液
无色酚酞
pH试纸
下列实验用品①pH试纸②无色酚酞溶液③紫色石蕊溶液④碳酸钠溶液其中能将稀硫酸氯化钠溶液和澄清石灰水鉴
①②③
①③④
②③④
①②④
不能用于鉴别NaOH溶液和盐酸溶液的是
紫色石蕊溶液
无色酚酞溶液
NaCl溶液
pH试纸
现有稀盐酸澄清石灰水氯化钠溶液三种无色溶液小丽认为可选用下列四种试剂中的一种试剂进行一次性鉴别你觉得
无色酚酞溶液
pH.试纸
Na
2
CO
3
溶液
紫色石蕊溶液
下列试剂①pH试纸②无色酚酞溶液③紫色石蕊溶液④碳酸钠溶液其中能将稀盐酸氯化钠溶液和澄清石灰水鉴别出
①②③
①③④
②③④
①②④
下列试剂中不能鉴别氯化钠溶液和盐酸的是
酚酞溶液
pH试纸
碳酸氢钠
紫色石蕊溶液
溶液的可用pH来表示.实验室中有A.B两种溶液经测定A溶液pH=4.5B溶液pH=10.2.则A溶液
下试剂不能一次性鉴别稀HClNaCl溶液CaOH2溶液的是
紫色石蕊
无色酚酞
PH试纸
Na
2
C.0
3
下列四种试剂中不能将澄清石灰水氯化钠溶液稀盐酸三种无色溶液一次性鉴别出来的是
碳酸钠溶液
无色酚酞溶液
紫色石蕊溶液
pH试纸
下列实验用品①pH试纸②无色酚酞溶液③紫色石蕊溶液④碳酸钠溶液其中能将稀硫酸氯化钠溶液和澄清石灰水鉴
①②③
①③④
②③④
①②④
有
B.C.三种溶液，A.能使紫色石蕊溶液变红，
能使无色酚酞溶液变红，
遇紫色石蕊溶液和无色酚酞溶液均无变化，则三种溶液的pH由大到小的顺序是( )。 A.A.＞C.＞BB.C.＞B.＞AC.B.＞A.＞C
B.＞C.＞A.
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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．
在家庭电路中用试电笔来辨别家庭电路中的火线与零线在如图所示的情况中使用方法正确的是填“甲”或“乙”．如果被测导线是线试电笔的氖管会发光．
如图所示电源电压6VR1＝5ΩR2＝10Ω．当闭合开关后两电表有示数且保持稳定则甲电表的示数为乙电表的示数为．
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
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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.
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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