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“对比实验”是科学探究常用的方法，根据以下实验回答问题． （1）图一中，为了比较人体吸入的空气和呼出的气体中氧气的多少，应进行的实验操作是 ． （2）图二中，通过 （填字母）实验现象的...
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对比实验是科学探究常用的方法根据以下实验回答问题l图A.中可观察到_______填火焰的名称处的火柴
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实验是进行科学探究的重要方式请根据右图回答问题1实验A.的目的是确保该实验成功的关键点是答出一点即可
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1分InthissocialistcountryledbytheCommunistPartyofChinaeverycorruptofficialbedealtwithonceevidenceisfound. A.must B.should C.can D.might
1分Mr.Smithletoffuponmethespeechhetomakeallalong. A.haddied B.died C.wasdying D.hadbeendying
1分WellIreallydon'tknowwhatyoumeanyouwantmetodo A.whatitisthat B.whatisitthat C.howitisthat D.howisitthat
1分﹣Excusemecanyoushowmethewaytothenearestbusstop ﹣Sorry.I'mastrangerhere.Ihereuntilmyguidearrives. A.stand B.havestood C.amstanding D.willstand
1分Thesilenceofthelibraryonlybythesoundofpagesbeingturnedover. A.hadbeenbroken B.breaks C.broke D.wasbroken
1分﹣DoyouknowthestoryofNiulangandZhinu ﹣Ofcourse.TheirlovestorywasasanexampleforhundredsofyearsinChina. A.takenup B.keptup C.pickedup D.heldup
1分﹣﹣﹣Therewon'tbeanywheretopark. ﹣﹣﹣Oh.Let'strythesubway. A.that'sarealbargain B.that'sagoodpoint C.that'sreallysomething D.that'sallsettled
1分Youneverreallyunderstandapersonyouconsiderthingsfromhispointofview. A.if B.once C.as D.until
20分Theopeningandclosingofdoorsarethemostsignificantactionsofman'slife.Whata36liesindoors! Nomanknowswhatawaitshimwhenheopensadoor.37themostfamiliarroomtheclockticksandthehearthglowsredatduskmayharbor38.Theworkermayactuallycalledand39theleakingpipe.Thecookmayhavebeenillanddemandedherpassports. THesearemanykindsofdoors.Revolvingdoorsforhotelsshopsandpublicbuildings.Theseare40thebusybustlingwaysofmodernlife.Canyou41WilliamShakespeareorCharlesDickensskippingthrougha42doorTherearedoubledoorsslidingdoorsstagedoorsandglassdoors.The43andmysteryofadoorliesinitsqualityofbeinghidden.Aglassdoorisnotadooratallbutawindow.Themeaningofadooristo44whatliesinside;tokeeptheheartinsuspense. Alsotherearemanywaysofopeningdoors.Thereisthecheery45ofelbowwithwhichthewaiteropensthekitchendoor.Thereisthesympatheticandawful46ofthedentist'smaidwhoopensthedoorintotheoperatingroomandwithoutspeaking47thatthedoctorisreadyforyou. Theopeningofdoorshasinitsomeflavorofthe48somesenseofmovingintoanewmoment.Evenin49theopeningofadoormaybringrelief.Buttheclosingofdoorscouldbe50Adoorclosedbrings51toanend.Andtherearedegreesofsadnessintheclosingofdoors.Adoorslammedisaconfessionofweakness.Adoor52shutmayoftenbethemosttragicgestureinlife. Theopeningandclosingofdoorsisapartoftheseriousfluencyoflife.Lifewillnotstay53andletusalone.Weare54openingdoorswithhopeclosingthemwithdespair.Life55notmuchlongerthanapipeoftobaccoanddestinyknocksusoutliketheashes. 36.A.mystery B.relief C.scenery D.pleasure 37.A.So B.Still C.Even D.Also 38.A.wishes B.puzzles C.surprises D.changes 39.A.checked B.fixed C.wrapped D.removed 40.A.essentialto B.differentfrom C.consistentwith D.typicalof 41.A.imagine B.suggest C.catch D.notice 42.A.stage B.sliding C.glass D.revolving 43.A.symbol B.miracle C.sign D.mark 44.A.busy B.hide C.discover D.Exhibit 45.A.knock B.bump C.push D.touch 46.A.silence B.noise C.voice D.peace 47.A.announce B.admits C.implies D.expects 48.A.darkness B.certainty C.possibility D.unknown 49.A.vain B.hope C.sadness D.happiness 50.A.easy B.terrible C.dull D.interesting 51.A.nothing B.everything C.anything D.something 52.A.heavily B.hurriedly C.gently D.firmly 53.A.still B.calm C.silent D.simple 54.A.naturally B.continually C.obviously D.possibly 55.A.measure B.matches C.reaches D.lasts
1分﹣Doyouthinkheistheonlypersonforthejob ﹣I'mnotquitesurebuthe'llprovetothetask. A.equal B.essential C.special D.superior
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10分WriteNOMORETHANTHREEWORDSforeachanswer. Beingactiveinyourlocalcommunityisimportantbecauseitisanessentialpartoflivingasatisfyinglife. Humansbynaturearesocialbeings.Weneedtobearoundotherpeopletofeelhappysecureandsafe.Hangingoutwithfriendshelpsbutthatisn'tquiteenough.Weneedtobeactiveinourlocalcommunity. Everyonebenefitsfromastrongcommunity.Beingactivewithinoursocietyhelpsindividualsfeellesslonelyhaveamorevitalandinterestinglifestayhealthyandfeelhappier.Beingactivewithinoursocietybringsusinspirationhelpsussucceedinbusinessandhelpsusfindourwayinlife. Communitiesthrive兴旺whenpeoplearebetterconnected.Localeconomiesexpandbusinessessucceededucationgrowssupportsystemsbecomemoreefficientandsoon. Theremaybesomeobstaclesonthewaytobeingactiveinthelocalcommunity.Peoplemaybecomedisconnectedfromtheircommunity.Itisamoderndayrealitythatpeopleturntotheircomputersforconnectionwithothers.Thiscanbeagreatthingbutitcanalsogotoofarandwecanbecomeseparatedfromourlocalphysicalworldsociety.Computersareusuallyattheirbestwhenusedasatooltoaccomplishtasksandnotasaportal传送门intoanonlineexistencethatcontrolsourlife.Onlinecommunitieshavebecomeveryrealandtheyhelpmillionsfeelmoreconnectedbuttheymustnottaketheplaceofourphysicallifecommunity. Itisalsocommonforpeopletofindjobsonlineandtomigratetodifferentlocationsaroundtheworld.Thisuproots使人迁移他处居住usandtakesusawayfromthelocalsocietywegrewupinforcesustomakenewfriendsandestablishourselvesinanewcommunity. Becomingactiveinourcommunitydoesrequireeffortbutit'swellworthit.Understandingtheimportanceofcommunityandbecomingmoreactivewithinyourswillgreatlyincreaseyourqualityoflife. 71.72.73.74.75.76.77.78.79.80..
25分Thisisapictureofaballetdancerwhoseleftfootlooksshockinglydifferentfromtherightone.Someevenjokesthattheleftfootrepresentshowelegantballetdancerslook.Onthecontrarytherightonerevealsthenatureofthosedancers'life.Onecanhardlyimaginehowmuchtimeandefforthavebeendevotedtoendlesspractice. 写作内容 请根据你对所示图片及文字的理解写一篇150词左右的文章要点如下: 1.以约30个词简要描述图片的内容; 2.以约120个词谈谈你的看法内容包括: 1图片给你的启示并举例说明; 2你最想对图片的芭蕾舞者说什么为什么 写作要求 1.可以参照阅读材料的内容但不得直接引用原文的句子; 2.作文中不能出现真实的姓名和学校的名称 3.不必写标题 评分标准 内容完整语言规范语篇连贯词数适当. .
6分DoIexistObviously!UntilDescartescamealongintheseventeenthcenturyeveryoneassumedthatweexisted.Obviously.Thefactseemedsomind﹣blowinglyobviousthatitwasn'treallydiscussed.Wecouldseeourselvesinthemirrorwecouldfeelpainandpleasurewecouldthinkthoughtsforourselvesandmoreimportantlyperhapsalltheworld'smainreligionsassumedthatwedoexist.Soweexist.Noyoudon'tit!Youdon'texist.That'sbecauseit'simpossibletoshowonceandforallthatyoudo.There'snoproof.Youmightthinkyouexist﹣thatyouaresittingatatablereadingthisbookforinstance﹣buthowcouldyoushowwith100percentcertaintythatthisistrueThere'snoexperimentthatcouldproveit.AlthoughDescartessaidjustyoucouldproveyourownexistencebythefactthatyouareabletothinkthisisn'tactuallyaccordingtotheBritishphilosopherA.J.Ayer.Justbecauseweknowthatwearethinkingthisdoesn'tmeanthatthereisayoudoingthethinking.Itjustshowsthatthethoughtsarehappeningnotthatanyoneishavingthem.ThoughtsexistsYoudon't.!Whatawasteoftimethisquestionis.Althoughyoucanargueuntiltheendoftimewhetheryouexistornotitdoesn'tgetyouanywhere.Unlessyouforgetaboutthisunanswerablequestionyou'llbestuckthinkingaboutitforeverandthatisn'tofanyusetoanyone.Moveon.Thinkaboutsomethingmoreimportant!Thisveryroughlyistheviewofalmostallphilosopherswhoprefertoanswerotherapparentlymoreusefulquestions.YesbutYouexistbutnotinthewayyoumightthink.AccordingtothegreatFrenchphilosopherRenDescartesyoucan'tshowthatanythingexists﹣apartfromyourownself.Theexistenceoftheentireworldcanbedoubtedinonewayoranotherbutthefactsyou'rehavingthoughtsshowsthattheremightbesomethingthat'syouhavingthem.ThisletDescartestowritethefamousphilosophicalphraseIthinkbeforeIam.60.WhichofthefollowingcanbethemissingheadingA.ForgetaboutitB.WhataridiculouspointC.ThinkaboutitD.Whatapointlessquestion61.Thispassageisanythingbutan.A.commentB.discussionC.argumentD.debate62.ThefamousanswertothequestionDoIexistis.A.Noyoudon'texist.B.IthinkthereforeIam.C.Yesyoudoexist.D.Itwon'tgetyouanywhere.
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10分WhenJeffSparkmandrawshiscartoonsuperheroeswithcoloredpencilsheoftenhastoaskotherpeopletotellhimwhatcolorhismaskedmenturnedouttobebecausehe'scolor﹣blind.Nowanewsmartphoneapplicationappcanhelphimfigureoutwhatcolorshe'susingandhowthepicturelookstomosteveryoneelse.TheDanKamappavailableforiPhoneandAndroidfor2.99dollarsisanapplicationthatturnsthevaguecolorsthatonepercentofthepopulationwithcolor﹣blindnessseesintothetruecolorsaseveryoneelseseesthem.InAmericaanestimated32millioncolor﹣blindAmericans﹣95%aremales﹣cansoonhavetheirlifeimproved.DanKamtakesthestreamofdatacominginthroughthephone'scameraandchangesthecolorsslightlysotheyfallwithintherangethatpeoplewhoarecolor﹣blindseedeveloperDanKaminskytoldCNET.Hecameupwiththeideaafterwatchingthe2009filmStarTrekwithacolor﹣blindfriend.Itwasthenthathegottoknowmoreaboutcolorblindnesslikeitsvaryingtypesanddegrees.Avastmajorityforinstancehavetroubleseeingredorgreenduetoageneticdefect遗传缺陷.Blue﹣yellowcolorblindnesshoweverisrareranddevelopslaterinlifebecauseofagingillnessorheadinjuriesetc.HestartedexperimentingwithoneofthemostcommonrepresentationsofpointsintheRGBcolormodel.WhattheDanKamappattemptstodoistocleanupthecolorspaceoftheimageorvideosignalsothatcolorscanbevisibletothosesufferingfromviewingproblems.Youcanadjusttheapptofityourneeds.Thereisarangeandnoteveryonewhoiscolor﹣blindseesthingsthesame.SaysKaminsky.SparkmanacopyeditoratCNETtriedouttheappandwaspleasedwiththeresults.Itwouldbeusefulfordressingforajobinterviewhesaid.Butusingitforhisartisthemostpracticalapplication.ItworkedwellonLEDandotherlightsonelectronicgadgetswhichmeansSparkmancannowidentifythepowerlightonhiscomputerdisplayasgreen.61.AccordingtothefirsttwoparagraphswecanknowthatDanKam.A.isdesignedtohelppeoplewithcolorblindnessB.canturnvaguecolorsintorealonesC.isaphoneusedtohelpdrawingpicturesD.appearedinthemovieStarTrek62.HowdoesDanKam'sappworkA.ItputsLEDandotherlightsonelectronicgadgets.B.ItshowscommonrepresentationsofpointsintheRGBcolormodelC.Itcheckscolor﹣blindpeople'stypesofdegreesofcolorblindness.D.Itchangesthecolorssothatcolor﹣blindpeoplecanseethem.63.Itcanbeinferredfromthepassagethatcolorblindness.A.cannotbecuredbyanymethodsB.isnotnecessarilyinborndiseaseC.ismorecommonlyseeninwomenD.makespeopleunabletotellanycolors64.TheunderlinedwordvisibleinParagraph4isclosestinmeaningto.A.recognizableB.enjoyableC.adjustableD.portable65.WhichofthefollowingisNOTincludedinthethingsthatDanKamhelpsSparkmanwithA.Choosingclothes.B.PlayingcomputergamesC.Drawinghispictures.D.Handlingelectronicgadgets.
1分byagreatdemandforenvironmental﹣friendlycarsthosefactorieshasproducedmoregreenones. A.Driven B.Beingdriven C.Havingdriven D.Todrive
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1分TheInternationalMonetaryFundhasreceivedbothcriticismandforitseffortstopromotefinancialstabilitypreventcrisesfacilitatetradeandreducepoverty. A.worship B.credit C.argument D.privilege
25分随着老龄化问题的日趋严重空巢老人越来越多有的老人呆在家里无所事事感到空虚寂寞.请你向ChinaDaily报社专栏写一封关于让这些老年人欢度老年时光的建议信. 注意:1至少提两条以上建议; 2开头语与结束语已给出不计入总次数.词数不少于120; 3不能使用真实姓名和学校名称. 空巢老人emptynester Deareditor Sincerelyyours WanMing.
8分ELMONTN.Y.AP﹣﹣﹣ElmontHighSchoolseniorHaroldEkehhadaplan﹣hewouldapplyto13collegesincludingalleightIvyLeagueschoolsfiguringitwouldhelphischancesofgettingintoatleastonegreatschool. ItworkedAndthensomeTheteenagerfromLongIslandwasacceptedatall13schoolsandnowfaceshisnextbigtest:decidingwheretogo. IwasstunnedIwasreallyshockedEkehtoldTheAssociatedPressduringaninterviewTuesdayathishomeneartheBelmontParkracetrackhisfouryoungerbrothersrunningaround. HefoundoutlastweekhehadbeenacceptedtoPrincetonUniversity.ThatmadehimeightforeightintheIvyLeague﹣hehadalreadybeenacceptedtoYaleUniversityBrownUniversityColumbiaUniversityCornellUniversityDartmouthCollegeHarvardUniversityandUniversityofPennsylvania.HisotheracceptancescamefromJohnsHopkinsUniversityMassachusettsInstituteofTechnologyNewYorkUniversityStonyBrookUniversityandVanderbiltUniversity. WearesoproudofhimsaidhismotherRoselineEkeh.Hardworkdedicationprayerbroughthimtowhereheistoday. BorninNigeriaHaroldwaseightyearsoldwhenhisparentsbroughtthefamilytotheUnitedStates. Itwaskindofdifficultadjustingtothenewenvironmentandthenewculturehesaid.ButhesawhisparentsworkinghardandItooktheirexampleanddecidestoapplymyself HereferencedthateffortinhiscollegeessaywritingLikeatreeuprootedandreplantedIcouldhavewitheredinanewcountrysurroundedbypeopleandlanguagesIdidnotunderstand.YetIwitnessedmyparentsperseveredespitethepotentialtogivein.Ifacedmychallengeswithnewfoundzeal;Iriskedinsultsspendingmybreaktalkingtounfamiliarfacesignoringtheirsarcasticremarks. Haroldistremendouslyfocusedineverythinghedoes.saidJohnCapozzitheschool'sprincipalHe'sagreatrolemodel.Allthestudentsandfacultyaresoproudofhim. HaroldisthesecondLongIslandstudentinasmanyyearstogetintoalleightIvies.LastyearWilliamFloydHighSchool'sKwasiEnimchosetogotoYale. Haroldwhohasa100.51grade﹣pointaverageandwantstobeaneurosurgeonsaidhewasleaningtowardYaleandhadheardfromEninofferingcongratulations.LikeEninhe'slikelytoannouncehiscollegechoiceatapressconferencelaterthismonth.ThedeadlinetodecideisMay67.Whichisclosestinmeaningtotheunderlinedphraseapplymyself A.Wordhard. B.Writetothecollege. C.Makeaformalrequest. D.Makeanadjustment. 68.WhichofthefollowingistrueaboutHarold A.HewasbornintoaNigerianfamilyintheUS. B.HeplantedatreeoncehemovedtotheUS C.Hewasalwayswelcomeandpopularinhisschools. D.HepaidalottomakehiswaytoofferesfromallIvies. 69.Haroldisprobablygoingto A.Harvard B.Princeton C.Yale D.MIT 70.Whatcanweinferfromthispassage A.Toomanycooksspoilthesoup. B.Hewholaughslastlaughsbest. C.Onecankilltwobirdswithonestone. D.Chancefavorsonlythepreparedmind.
1分Lonelinessisafeelingpeopleexperienceapowerfulrushofemptinessandsolitude. A.which B.where C.that D.how
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12分Areportfoundthatoverhalfofthehighschoolboysandtwo﹣thirdsofthegirlsnevershoweraftersportsatschool.Researcherssuggeststudentsdon'twanttosweat48takeashowersotheyarelessactive.Theresearchersquestionedalmost4000children.LeadresearcherDrGavinsaidhewassurprised49howrarelystudentsshowered.Hesaidchildrenweregettingpoorhealthbecauseoflessexercise.Hesaid:50theunwillingnesstoshowerisabarrier障碍toplayingsportweneedtodosomethingtopromoteactivityatschools. 51theBBCsaysthestudydidnotlookattheexactreasons52studentsdonotshower.Maybetherearesomeotherreasons.Undressinginfrontof53maybetoomuchforsomechildren.Aspokeswomanforahealthorganisationsaidchildrenworryabouttheirbodyimage.Shesaidschoolshad54roletoplayinchangingattitudes.Shesaidschoolsshouldencouragestudentstodophysicalactivityandlet55knowtheyneedtoshowerafter.
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