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下列实验操作正确的是（ ）
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正确的化学实验操作是实验成功的重要保证下列实验操作正确的是
倾倒液体
过滤
检查气密性
检验氧气是否收集满
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
读取液体体积
正确的操作是实验安全和成功的基本保证下列实验操作正确的是
取用液体
加热液体
过滤
收集氧气
某化学兴趣小组的同学按下图操作完成粗盐含有难溶性杂质提纯的实验下列说法中正确的是
各项实验操作完全正确
正确的操作顺序为①⑤②③⑥④
去除杂质的关键步骤是④
操作③④中玻璃棒的作用是相同的
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
过滤河水
检查装置气密性
选择下列部分实验操作可完成两个实验甲实验为除去粗盐中难溶性的杂质乙实验为配制溶质质量分数为10%的氯
操作①和⑤中玻璃棒的作用是相同的
甲实验和乙实验都要用到实验操作①
甲实验在操作⑤时，将水全部蒸发后停止加热
乙实验在操作③时，若俯视读数，会使所配制溶液的溶质质量分数偏小
正确的化学实验操作是实验成功的重要保证下列实验操作正确的是
倾倒液体
过滤
检查气密性
氧气验满
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
读取液体体积
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
读取液体体积
正确的化学实验操作是实验成功的重要保证下列实验操作正确的是
倾倒液体
过滤
检查气密性
检验氧气是否收集满
正确的实验操作对实验结果人身安全非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
倾倒液体
正确的实验操作对实验结果人身安全非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
读取液体体积
正确的实验操作是实验成功的基本保证下列实验操作正确的是
检查装置气密性
蒸发
加热液体
量取液体体积
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
读取液体体积
下列与演示实验基本要求无关的叙述是
讲清演示实验的步骤和方法
引导学生分析实验现象
指导学生正确操作
方法要科学、操作要规范
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
读取液体体积
正确的实验操作是实验成功的基本保证下列实验操作正确的是
检查装置气密性
蒸发
加热液体
量取液体体积
正确的实验操作对实验结果人身安全非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
加热液体
倾倒液体
正确的实验操作是实验成功的基本保证下列实验操作正确的是
检查装置气密性
蒸发
加热液体
量取液体体积
正确的实验操作对实验结果人身安全都非常重要下列实验操作正确的是
点燃酒精灯
滴加液体
过滤河水
检查装置气密性
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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.
随着科技的发展家用电器种类越来越多家庭用电安全也越来越受到人们的重视从安全用电角度下列说法中正确的是
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．
当一个导体两端的电压为8V时通过它的电流为0.5A则这个导体的电阻为Ω．当该导体两端电压为4V时则通过导体的电流为A．
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 .
神舟十一号载人飞船进入太空与天宫二号交会对接．在对接过程中地面的工作人员发出的指令通过传送给载人飞船．飞船的太阳能电池将太阳能转化为电能则电能是填“一次”或“二次”能源．
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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3分直到他此次考试不及格他才意识到词汇学习包括拼写单词以及学会正确的使用词汇表达自己的观点.Notuntil… .
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.
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.
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.
小明家电能表上个月底的示数为这个月底的示数如图所示可知他家本月电能表的表盘转了圈．他家最多能接入总功率为W的用电器．
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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