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如图所示，木块的长度为 cm．
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如左图所示木块的长度为cm.
如图所示铁块长度为cm.
使用刻度尺之前要观察分度值及零刻度线在哪里.如图所示被测木块的长度为cm.
同一长度的五次测量记录是25.1㎜25.2㎜25.1㎜27.2㎜25.3㎜其中一次明显错误的是根据以
1如图1所示木块的长度是cm.2如图2所示电阻箱的示数为Ω.
如图所示木块的长度为cm.
如图所示木块的长度为cm
如图所示用刻度尺测量木块的长度木块的长度是cm.
一同学测量木块长度如图所示木块长度为——cm．
请将如图所示的测量结果填写在相应的空格处.1木块的长度是cm.2物块的质量是g.
如图所示是用某刻度尺测量木块A长度的情景该刻度尺的分度值为cm木块A的长度的准确值为cm．
如图所示物体A.的长度为cm.
如图所示用刻度尺测量一木块的长度该尺的分度值是cm测得木块长度是cm．
如图所示这把刻度尺的分度值是所测木块的长度约是cm.
1如图所示中刻度尺的分度值是__________mm木块的长度是___________cm.2小林同
如图所示此刻度尺的分度值是_________cm测得木块的长度是_________cm.
1如图所示木块的长度是__________cm2如图所示温度计的示数为_______________
如图所示木块的长度为cm.
如图所示该刻度尺的分度值是cm．所测木块A的长度是cm．
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10分Inourhyper﹣technologicalagethewayweinteractwithothersface﹣to﹣facetellsothershowwellweworkwithothersaswellasourabilitytomaintaingoodinterpersonalrelations.36Herearefivejobinterviewmistakesthatmillennials千禧一代oftenmakesoyoucanbesurenottomakethemtoo.1.OverusingthewordLikeEventhoughweallhaveproblemswithinsertingthewordintooureverydayspeechgivingoureveryotherwordwithlikehasimplicationsmillennialsmaynotevenbeawareof.372.ForgettingtoputyourphoneonsilentIfyourphoneconstantlypingsandmakesothernoisesduringyourinterviewthepersonyou'retalkingtowillnotbeimpressed.Youareagenerationthatalwayshasaphoneinhand.383.DressinginappropriatelyAlthoughworkattirenowtendsmoretowardcasualthanathree﹣piecebusinesssuitit'sstillincrediblyunprofessionaltoshowupinclothingthat'sclearlynotsuitablefortheoffice.4.TalkingtooproudlyInagenerationthatvaluestheindividualaboveanythingelseitcanfeelalmostlikesecondnaturetotalktoomuchaboutoneself.395.40ApreliminaryGooglesearchregardingthecompanyyouwanttoworkfortakesnomorethan5minutesbuttheknowledgegoesalongway.EventhoughweliveinanageofextremeconnectivityandInternetknowledgeoverloaddon'tforgettobrushuponyourfactsbeforemeetingupwithyourinterviewer.A.Itcanmakeusappearlikewe'reguessingourselvesnotconfident.B.Forgettingtheknowledge.C.Talkingtoomuchisadisadvantagesometimes.D.Remembertofindthebalancebetweensayingtoolittleandsayingtoomuch.E.Notdoingtheresearch.F.Nottakingsecondstomakesureitwon'tdisturbothersisasuresignofcarelessness.G.Thismakesthejobinterviewespeciallycritical.
通过一年的学习你能运用简单的装置和方法制取某些气体．如图是教案备课库常见气体的发生收集装置请你回答有关问题 1写出图中②的仪器名称 2实验室用石灰石和稀盐酸反应制取二氧化碳时应选用的发生装置是选填装置序号该反应的化学方程式 3加热高锰酸钾制取氧气用E装置收集氧气的适宜时间是选填字母． A．当导管口刚有气泡冒出时B．当导管口有连续均匀气泡冒出时
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30分Oneofthemostremarkablethingsaboutthehumanmindisourabilitytoimaginethefuture.Inour1wecanseewhathasnotyethappened.Forexamplewhilewearelookingforwardto2anewplaceorcountrywe3whatitwillbelike.Wepredictthe4peoplewilleatdressandact.Ofcoursewedonotalwayspredictthings5.Thingsareoftenverydifferentfromthewaywe6themtobe. Oneofthe7dreamsinhistoryisthedreamoftheGermanscientistKekulewhohadbeen8toworkoutaverydifficultprobleminphysics.Hehad9andanalyzedtheproblemfromeveryanglefordaysbutthere10tobenowayof11outtheanswer.Thenonenighthewenttobedanddreamed.Whenhe12upherealizedthatheknewtheanswer.Hehadsolvedtheprobleminhis13. Thehypnotist催眠者satinthechairoppositehimandspoke14:Iwantyoutoconcentrateonmyvoice.Thinkabout15.Youknownothingbutmyvoice.Andasyoupayattentiontomyvoiceyour16willgetheavier.Soonyou'llbeasleep. Youwillhearmyvoiceand17mywordsbutyourbodywillbeasleepyoureyesaretooheavy.Youare18asleepandwhenyouwakeupyouwill19nothing. Youwillforgeteverything.NowIamgoingto20slowlyfromonetofive.Onetwothreefourfive. 1.A.brains B.senses C.minds D.sights 2.A.visiting B.seeking C.reaching D.discovering 3.A.imagine B.know C.feel D.guess 4.A.custom B.habit C.style D.way 5.A.quickly B.simply C.correctly D.neatly 6.A.required B.wished C.left D.expected 7.A.funny B.dull C.famous D.silly 8.A.managing B.trying C.thinking D.hoping 9.A.studied B.learned C.discussed D.searched 10.A.used B.ought C.seemed D.had 11.A.bringing B.finding C.turning D.letting 12.A.gave B.sat C.woke D.got 13.A.dream B.lesson C.research D.exercise 14.A.softly B.loudly C.slowly D.firmly 15.A.everything B.something C.nothing D.anything 16.A.eyes B.feet C.head D.body 17.A.believe B.repeat C.take D.understand 18.A.really B.extremely C.actually D.almost 19.A.accept B.remember C.hear D.receive 20.A.count B.say C.add D.speak
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8分Oneoftheunpleasantaspectsofbeingamanageristhatyouhavetodealwithemployeeswhoengageinviolatingcompanypolicies.Sometypicaldisciplinaryactionswillbedonesuchasreassignmentorevenfiring.Toolightandtheywillnotsufficientlycommunicatetheseverityoftheinfraction违规行为bothtotheemployeewhobroketherulesandtothepeerswhoarewatching.Tooheavyandyoucreateanunfairenvironmentthatviolateseveryone'sexpectationsforjustice. Weallwanttobelievethatwearefairandthatwewouldbeobjective.Howeverthere'sanimportantfactorthatcouldundermineyourabilitytobefair:sleep.Mycolleagues﹣KyoungminChoattheUniversityofWashingtonandCristianoGuaranaattheUniversityofVirginia﹣andIwantedtoinvestigatethislink.Mypreviousresearchindicatesthatlackofsleepdamagesjudgmentandbehavior.Andtheresearchliteratureindicatesthatlackofsleepleadstoerrorsindecisionmaking.AsIdiscussinmyTEDxtalksleep﹣lackingpeoplearenotefficientwithoutevenbeingawarethat. MycolleaguesandIstartedourresearchbasedonthatlackofsleepcanincreasenegativeresponsestotheinfraction.Sleep﹣lackingpeoplearemorelikelytointerpretanactioninanegativemanner.Thissuggeststhatpeoplewillconductinfractionsmorenegativelywhenthey'resleep﹣lacking.Inadditionlackofsleepmakesitmoredifficulttoregulatenegativeemotions.Thiscanmakepeoplemorelikelytobecomeangrymakingtheminturnmorelikelytorespondnegativelytopeoplewhoengageinpunishablebehaviors.Weassumethatsleep﹣lackingpeoplewouldbemorelikelytogiveharsherpunishments. Basedonthisfindingouradvicetomanagersistobeawareofthispotentialeffectonyourjudgment.Ifastaffengagesinapunishableinfractionafteryou'vehadashortnightofsleepyoumayallocateapunishmentthatisharsherthannecessarycontributingtoanunfairworkenvironment. Twopotentialwaystoaddressthiswouldbetoeitherdelaydecidingonadisciplinarymeasureuntilyouhavehadabetternightofsleepordeliberatelydiscountthemeasuretosoftentheeffectofyourlackofsleep.Giventhedifficultyofmeasuringthesecondapproachthefirstapproachisprobablythebetteroption.Anditbearsrepeating:Ifyouwanttobeabettermanageraimtogetatleasteighthoursofsleepeachnight. 28.Whatdoestheauthorsayaboutdisciplinaryactions? A.Employeesshouldbefired. B.Bonuseswillberemoved. C.Severerulesshouldbeperformed. D.Itishardtobalancethepunishments. 29.Theunderlinedwordundermineisclosestinmeaningto. A.change B.influence C.determine D.weaken 30.Whatwouldasleepymanagerdo? A.Realizethesideeffectofitandtakeactions. B.Throwmoreseverepunishment. C.Getridofthenegativeatmosphereinthecompany. D.Regulatethenegativeemotions. 31.Whichofthefollowingstatementsistrueaccordingtothetext? A.Agoodsleepleadstoafairenvironment. B.Unfairworkenvironmentisduetoweakpunishments. C.Itisnecessarytogivepunishmentsafteragoodsleep. D.Eighthoursofsleepeachnightisthebottomline.
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8分AprincipalinManhattaninformedparentsthattherewouldbenomorehomeworkforthepublicschool'sstudents.Andthencamethearguments﹣﹣﹣notfromteachersbutfromparents.Somesaidtheywouldtransfertheirchildrentoanotherschool.Somesaidtheywerefindingonlinesourcesofhomeworkfortheirchildren.TheywerenotconvincedbytheexplanationfromPrincipalJaneHsuaboutthenegativeeffectsofhomeworkonyoungchildrenincludinglackoftimeforotheractivitiesandfamilytimeandlossofinterestinlearning.Hsusuggestedchildrenshouldspendtheirtimeonactivitiesthathadbeenfoundtobegoodfortheiracademicsocialandemotionaldevelopment. AsasupporterofHsu'sapproachIwonderhowmanyoftheparentalargumentsoccurnotbecauseofwhatchildrenwillmissoutonbutbecauseparentsthemselvesnolongerfeelconfidentabouttheirabilitytohelptheirchildrendevelopwithouthighlystructuredactivitiestoguidethem. I'mremindedofameetingattheschoolmyyoungerdaughterwasabouttostartwhenshewas6.Theheadoftheschoolmetwithparentstosaythatshewasalsoconsideringdoingawaywithhomework.Onemomobjectedbecausehomeworkwasherspecialtimeeachdaywithherchildwhentheycouldsitdowntogethertogothroughthework.Theheadoftheschoolappearedsurprisedatthis.Shegentlysuggestedthatthemothershouldreadtoherchildorthattheyshouldcookdinnertogether. It'sbeensadtoseethatkidsbetweentheirstructuredsoccerpracticesandtheirhomeworkhaveverylittletimetoplay.Butit'sevensaddertoseetheparentalnervousnessaroundwhatmighthappentoathird﹣graderwhohasmoretimetocreatethinkreadinteractwithothersorimagine.WhatmighthappenIbelievemustbemorehappinessmoreenergyandbetterphysicalfitness. 32.Fromthepassageweknow. A.teachersarestronglyopposedtogivingnohomeworktotheirstudents B.theideaofnohomeworkhasledtoaheateddebate C.childrengreatlybenefitfromtheideaofnohomework D.otheractivitieshavetakentheplaceofthehomework 33.Whydidonemomobjecttotheideaofnohomeworkforkids? A.Herchildmightloseinterestinlearning. B.Herchildmighthavelesstimetothink. C.Sheenjoyedthetimedoinghomeworkwithherchild. D.Homeworkisgoodforchildren'sacademicdevelopment. 34.Whatistheauthor'sattitudetowardsPrincipalJaneHsu'ssuggestion? A.Indifferent. B.Positive. C.Negative. D.Critical. 35.Thepassageismainlyabout. A.whethertheparentsshouldtransfertheirchildrentopublicschool B.thebenefitsofdoinghomework C.thenecessityofchangingtheeducationsystem D.whetherthestudentsshoulddohomeworkafterschool.
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25分你是李华端午节期间theDragonBoatFestival/Duanwufesttival你的一个朋友Smith准备到你所在的城市来旅游但你有事不能接机写封信给他. 内容包括以下要点: 1.解释你不能接机的原因 2.并说明端午节期间的安排. 注意:1.词数100左右; 2.可以适当增加细节以使行文连贯; 3.你可能用到的词汇ZongzitheDragonBoatRaces .
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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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.
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今年5月1日孙红随父母到一乡村旅游中午到李大伯的农家乐用餐．请你从化学的角度回答下列问题． 1李大伯用腊肉腊鱼土鸡时令蔬菜等招待客人．腊肉在腌制时需要加入一定量的食盐请你说出食盐的一种用途蔬菜是人体获取选填“油脂”或“维生素”的主要来源之一在做菜时常添加加铁酱油有助于预防患病． 2李大伯响应政府号召用天然气代替煤作燃料．天然气属于选填“可再生”或“不可再生”能源请你谈谈天然气作燃料的优点写一条． 3为了把张家界建设成为环境优美生态友好社会文明的国际旅游精品城市需要全社会的共同努力我们作为城市小主人应积极主动参与．请你写出一条爱护环境的做法．
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.
1用化学式填空石墨改良酸性土壤的碱． 2火箭推进器中装有液态肼N2H4和过氧化氢当它们混合反应时放出大量的热量同时产生一种气态单质和一种常见的液体写出有关反应的化学方程式． 3在一定条件下A和B两种物质发生反应生成C和D．如图为该反应的微观示意图． ①从微观角度分析该反应的实质是． ②该反应中生成C和D的质量比是． 4在托盘天平灵敏度极高两边各放盛有等质量等质量分数足量稀硫酸的烧杯天平平衡．向左烧杯中加入一定质量的金属M同时向右烧杯中加入相同质量的金属N观察到从反应开始至结束天平指针始终偏向右边注反应中都生成十2价的硫酸盐．则 ①MN两种金属的活动性由强到弱的顺序为． ②MN两种金属的相对原子质量由大到小的顺序为．
15分Forcenturiesaroundtheworldpeoplehaveinventedmanypastimestokeepthem61entertain.We'reluckyenoughtolivein62timewhenalotofushavealotoffreetimewhichmeanswe're63constantinventingandre﹣inventingsportssoitisnot64surprisethattheworldofathleticcompetitionsometimesbecomesstrangerandstranger.Howevertheworld'sweirdestsportsarenotnew65wereinventedeons千万年agobeforepeoplehadtheInternettoentertainthem. Finlandisacountrythatinventedthesportofwife﹣carrying.Thesportisbasicallyanannualcompetition66husbandsrunanobstaclecoursewhilecarryingtheir67wifeontheirbacks.Themostfamouscompetition68holdinSonkjarviFinland.Therearedifferentcarryingstylesinvolvingpiggybackingfireman'scarryandtheEstonian﹣stylewherethewomanhangsupside﹣down69herlegsaroundtheman'sshoulders.Thesporthasspreadtootherpartsoftheworld70includetheUSandAustralia.
8分IwasjustinFrancetovisitmygrandmotherwhoisverydeartome.Idon'tgettocrosstheAtlanticveryoftenandshe'snow96yearsoldsoeverytimeIvisitherthetwoofusareveryawarethatitmightbethelasttimeweseeeachother. LastyearIdidaseriesofshortvideointerviewsaboutherlife.Iaskedherwhatitwaslikegrowingupwithherfatherinthe1910sandlivingalonewithtwoyoungchildren.Iaskedherabouthergreatestmemoriesandherfavoritebooksfoodsetc.IlearnedalotofamazingnewthingsaboutherIhadneverknownbefore.Thesewereveryintimateconversationswhichmademebetterknowher. ThisyearIdidnotreallyhavequestionsandIonlyhadagreatdesiretomakeherknowhowmuchIlovedher.Icookedforherandreadherstories.Igaveherafootmassage按摩whichwasherfirstever! BeforeleavingIwaslookingforawaytoleavesomethingmeaningfulbehindbesidesthememoryofourtimetogether.ThereforeIwroteherfivedifferentlovenotesandhidthemindifferentplaceswhereIknewshewouldeventuallyfindthem. IleftreallyjoyouslyknowingthatthesecardswouldsurelycheerherupafterIleft.ShecalledmeasIwastravellingbacktoParistocatchmyplanebacktotheUSandsaidIfoundyourcards!BythetimeIdiscoveredthelastoneIwaslaughingoutloud!Thankyousomuchmysweetheart!Ismiledtomyselfknowingshestillhadtwomoretogo!ItwasSundaysomyguesswasthatshehadnotcheckedhermailboxandhadnotyetdrivenhercar! 1.TheunderlinedwordintimateinParagraph2probablymeans A.close B.inspiring C.impressive D.usual 2.Whatcanbeinferredfromthepassage? A.TheauthorwenttoFrancetovisithergrandmotherveryfrequently. B.Theauthordidn'texpecthergrandmothertofindallthefivecards. C.Theauthorandhergrandmotherenjoyedthetimetheystayedtogether. D.Theauthor'shomeisnotfarfromhergrandmother's. 3.Fromthelastparagraphweknowthat A.grandmotherfoundallthecardsimmediatelytheauthorleft. B.grandmotherhadnotcheckedhermailboxbeforethecall. C.grandmotheralwayscallstheauthorbeforeshegetsontheairplane D.grandmotherdoesexercisesbyfindingthecards. ~~4.Whatmightbethebesttitleofthepassage? A.Thewonderfultimewithgrandmother B.Themeaningfullovenotes C.Thepersonwhoinfluencesmemost D.Thefamilyhasanoldatreasure.
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一篇作文.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处多者从第11处起不计分. Timeisvaluablebutlimit.ThereisafamoussayingTimeislifethisshowstheimportanceoftime.Whentimehadgoneit'llneverreturn.It'sapitywhenmanypeoplemakepooruseoftime.Theyspendtheirprecioustimeoversleepingdrinkingandhangingaround.Theydon'trealizewastingtimeisequalwithwastingtheirlife.Theyalwaysregrethavingmadelittleachievementsofar.Howeverweshouldformthehabitofvaluetime.Don'tputoffwhatcanbedonetodaytomorrow.Lazinesswillnotonlybringusthefailurebutalsoleadustotheroadtopovertyandevendeaths.
物质的下列用途主要利用其化学性质的是
6分BritishAirwaysbookingsecrets﹣andthebestlatedealsthisweek:ShortholidaysandEuropeancitybreaks. Dublinfrom£109pp:EnjoytheEmeraldIslewithouttheStPatrick'sDaycrowds.Departing20thMarchthispackageincludesatwonightstayatthefour﹣starKingsWoodHotelCitywestandreturnflightsfromLondonStansted.Clickhere. Brugesfrom£159pp:Treatmumtoamother'sdaycitybreakinthemedievalfairy﹣taletownofBrugesandenjoycanal﹣sidestrollsandanicehelpingofculture.Priceincludestwonightsatthefour﹣starNHBruggewithtravelfromLondonStPancrasdeparting20thMarch.Clickhere. Madridfrom£166pp:FlyfromLiverpoolonMarch27forthreenights'B&Batthethree﹣starEspahotelPlazadeEspana.RealMadriddon'thaveafootballgamethensoseeifRonaldofanciesacerveza.Clickhere. FrenchAlpsfrom£499pp:Saveover£320eachonaweek'sskiingatLesArcs2000stayingcateredattheChaletVanoise.BasedontwosharingandincludesflightsfromManchesteronMarch18andtransfers.Six﹣dayliftpassesfrom£219equipmenthirefrom£65.Clickhere. Tenerifefrom£289pp:GetyourtanonearlywithatriptotheEuropeanhomeofbeaches:Tenerifewithitspostcardperfectgoldensand.Spendsevennightsatthefour﹣starHotelSpaLaQuintaParkSuitesdeparting6thMayandincludingreturnflights.Clickhere. 21.Whichdestinationisthecheapest? A.Dublin. B.Bruges. C.FrenchAlps. D.Tenerife. 22.WhatspecialfeatureisMadridnotedfor? A.Skiing. B.Football. C.Sunshine. D.Culture. 23.Wherewouldyoumostprobablyseethistext? A.UKairlines. B.Amagazine. C.ATVprogram. D.TheInternet.
现有甲乙丙三种金属如果把甲和乙分别放入稀硫酸中甲溶解并产生氢气乙不反应如果把乙和丙分别放入硝酸银溶液中过一会儿在乙的表面有银析出而丙没有变化根据以上事实则甲乙丙的金属活动性由强到弱的顺序是
有一不纯的Na2CO3样品杂质可能是K2CO3CaCO3FeCl3和NaCl中的一种或几种取该样品10.6g加入足量稀盐酸完全反应后得到无色容液同时产生4.4g气体下列判断正确的是
物质的俗名与化学式一致的是
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