首页
试卷库
试题库
当前位置:
X题卡
>
所有题目
>
题目详情
请标出图中通电螺线管外部磁感线的方向,小磁针的N极和电源的“+”极.
查看本题答案
包含此试题的试卷
教案备课库《》真题及答案
点击查看
你可能感兴趣的试题
标出图中通电螺线管的N.极小磁针的N.极和磁感线的方向.
下图中根据通电螺线管的磁感线方向标出电源的正极和小磁针的N.极.
如图所示请根据通电螺线管周围磁感线的方向判断电源的+-极和小磁针的N.极并在图中标出.
如图所示请根据通电螺线管的N.S.极标出小磁针N.极通电螺线管的磁感线方向以及电源的正负极.
根据图中通电螺线管的N.极标出磁感线方向小磁针的N.极并在括号内标出电源的正负极.
根据通电螺线管磁感线的方向在图中标出静止小磁针b的N极及电源正负极
如图22所示请根据通电螺线管周围磁感线方向判断并标出通电螺线管的N.极小磁针的N.极和电源的+-极
1根据图13中通电螺线管的磁感线方向标出小磁针的N.极以及线圈中电流的方向2小磁针在如图14所示的位
如图乙所示小磁针静止在通电螺线管右侧请标出通电螺线管的N.级磁感线方向和小磁针的N.极
请根据图14所示的通电螺线管周围磁感线方向判断并标出通电螺线管的N.极小磁针的N.极和电源的+-极.
请根据通电螺线管周围磁感线方向判断并标出通电螺线管的N.极小磁针的N.极和电源的+-极
根据图中通电螺线管的S.极标出磁感线方向小磁针的N.极并在括号内标出电源的正负极
如图丙所示是一个已知N.S.极的通电螺线管在图中标出通电螺线管外部磁感线虚线的方向和电源的正负极
1根据磁感线方向在下图中标出磁铁及小磁针的N.S.极2在通电螺线管左方有一小磁针小磁针静止时的指向如
根据图中通电螺线管的N极请标出磁感线的方向和小磁针的N极并在括号内标出电源的正负极.
通电螺线管周围的磁感线方向如图所示一个小磁针置于螺线管附近另一个小磁针置于螺线管内部请在图中标出两个
如图所示请根据通电螺线管周围磁感线的方向判断电源的+-极和小磁针的N.极并在图中标出.
请根据通电螺线管周围磁感线方向判断并标出通电螺线管的N.极小磁针的N.极和电源的+-极
如图所示请根据通电螺线管的N.S.极标出小磁针N.极通电螺线管的磁感线方向以及电源的正负极.
根据图中通电螺线管的N.极标出磁感线方向小磁针的N.极并在括号内标出电源的正负极
热门试题
更多
8分Instagramisafastbeautifulandfunwaytoshareyourlifewithfriendsandfamily.TakeapictureorvideochooseafiltertotransformitslookandfeelandthenposttoInstagram﹣it'sthateasy.YoucanevensharetoFaceBookTwitterandmore.It'sanewwaytoseetheworld.SomanyphotosoffoodarecontainedonInstagram﹣nowapop﹣updinerinLondonistakingadvantageofthisnewtrendbylettingpeoplesettlethebillfortheirmealssimplybyuploadingphotosoftheirdishestosocialnetworks. Ialwaysthoughtpeople'stakingpicturesoftheirfoodwaskindofsillybutatthisnewpop﹣uprestaurantintheUKI'dprobablydoittoo.ThePictureHouseistheworld'sfirstpay﹣by﹣photorestaurant.YouorderclickaphotoofthefoodshareonInstagramandeatforfree! TherestaurantbelongstofrozenfoodgiantBirdsEyewhocameupwiththeideatocashinonpeople'saddictionwithphotographingfoodandsharingthepicturesonline.TheyconductedasurveyandfoundoutthatmorethanhalfoftheBritishpopulationregularlytookpicturesoftheirmeals.Sotheyrealizeditwasabetterwaytoadvertisetheirnewdiningrange. Thepop﹣updinerwasopeninSOHOLondonforthreedaysinMayandisnowmovingtoothermajorUKcities.Theyservetwo﹣coursemealsthatcustomersdon'thavetopayforiftheyphotoandInstagramit. TherestaurantisapartofBirdsEye'sFoodforLifecampaignanewmarketingprojectthataimsatchangingthewaypeoplelookatfrozenfood.Takingphotosoffoodenablespeopletoshowoffandtosharetheirmealtimemoments﹣fromtheeverydaytothespecialsaidmarketingdirectorMargaretJobling. ThereactiontothePictureHousehasbeengreatsofar.Andthepay﹣by﹣pictureconcepthasproventobeaneffectiveway.Alternativepaymentmethodsareactuallygainingpopularityamongalotofbusinesses.LastyearinacafeinGermanycustomerspaybyhowmuchtimetheyspendtherenotbywhattheyeat. 28.FromthedescriptioninthepassagewecanseeInstagramis. A.arestaurantinwhichmealsarefree B.anewmarketingstrategyofarestaurant C.thenameofacompanytocollectfoodpictures D.anapplicationsoftwaretosharephotosorvideos 29.WhatthePictureHousedoesisactually. A.anadtoexpanditspopularity B.arewardtoitsregularcustomers C.anefforttoraisethepriceoftheirfrozenfood D.amethodtryingtochangeBritishpeople'stypeofdining 30.Whatcanbeinferredfromthepassage? A.Thepay﹣by﹣pictureconcepthasreceivedagreatreaction. B.MealsarefreeifyousendyourpicturestothePictureHouse. C.Thepop﹣updinerwasopeninSOHOLondonforthreedaysinMay. D.TakingandsharingphotosoftheirmealshasbecomeanewtrendinBritain. 31.Whichofthefollowingcanbethebesttitleforthepassage? A.PaybyPicture. B.ThePictureHouse. C.NoPictureNoMeal. D.NewDiningStyle.
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.
水是宝贵的自然资源以下关于水的叙述中正确的是
某兴趣小组为测定石灰石中碳酸钙的质量分数取12g石灰石样品加入烧杯中将120g稀盐酸平均分四次加入充分反应后杂质不溶于水也不与稀盐酸反应测得实验数据如下 分析数据计算结果精确到0.1% 1该样品中碳酸钙的质量分数. 2所用稀盐酸的溶质质量分数. 312g样品中的碳酸钙恰好完全反应时所得溶液的溶质质量分数.
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
下列有关说法正确的是
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.
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.
有一包固体可能含有NaClNaOHNa2CO3Na2SO4MgCl2中的一种或几种.为确定其组成取少量固体加足量水溶解得到无色溶液M进行如图实验. 试推断 1白色沉淀B是填化学式. 2原固体中一定含有的物质是. 3无色滤液2中一定含有的阳离子是填离子符号. 4通过上述实验可知还有一种物质不能确定是否存在为进一步确定应采用的方法是.
15分Complaintsexisteverywherearoundyou.Ifyoudon'tbelievemecounthowmanytimesyoucomplainaboutsomethingorotherinoneday.Whetheritbeing61stickintrafficbeingbothered62theweathernotenoughmustardonyoursandwich63whateveritisthereareendlessinstances64youcanfindareason65complain.Wecomplainthatwedon'thaveenoughtimeandthatwedon'thaveenoughmoneyetc.IknowI'veexperiencedplentyof66unpleasantduetocomplainingaboutthingsIcan'tcontrol.Imaginehowmuch67happyyouwouldbeifyou68stopcomplaining?Muchofwhatyoucomplainaboutisoutsideofyourcontrolanyway.So69isthepointofcomplainingaboutsomethingyouhavenopowertochange?70simplebecomingconsciousofhowmuchyoucomplainisthefirststeptostopping.Whenyourecognizethatyou'recomplainingstopandtakenoticeofit.Askyourselfifyouwouldrathercomplainorbehappy.
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l0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处多者从笫11处起不计分. Nowadayswecanstillseesomebehaviorsagainstpublicmorals.Aswasoftenthecasepeopletendtotalkloudinpublicplacesannoyedothersaround.Spittingandlitteringrubbishcanbeseenanywhere.Besidesit'scommonthattheyoungormiddle﹣agedsitonthebuswhentheelderlyhavetostand. Measuremustbetakentochangethissituation.Firstofallasstudentsweshouldmanageourownbehaviorsbuthelppeoplearoundyouformgoodhabits.Meanwhileitisnecessaryforthegovernmentandsomeorganizationstoencouragepeopletobehaveproper. Don'tundervaluetherolewecanplaywith.Dorememberwecanmakedifference!Takeactionrightnow!
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.
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Aseveryoneouttheremylifealsoexperiencedupsanddownsandalotofgive﹣up41IamanAerospaceEngineerfromIndia.FrommyrelativesandclosefriendsIhavebeentoldthatit's42foranon﹣ITstudenttopursueMastersinITandgraduatefromafamousUSuniversity. Inevertookcoursesrelatedtocomputersorprogramming.Iwasneverinterestedtobeaprogrammerbutthings43.Computersgraduallybecamemy44andIrealizedIammoredependentoncomputersandIstarted45theback﹣endprocesseshappeninginsidetheCPUandIwasamazedbyitsthought.That'swhenIdecidedtopursuemastersinIT. 46itwasverydifficult.MyEnglishaccentwas47.AndIwasalsolacking48money.MostimportantlythecoursesseemednightmareswhenIfirstsawthem.49Inevergaveup.Itwasmyfatherthatpushedmeoutofmycomfortzoneand50confidenceinmetopursuethedegreeI51. Itookitasa52andneverthoughtaboutthefactthatIdon'thavemoneytoeatorIam53tothisprogrammingdegree.Ibelievedinhardworkwhichismy54.Sotheharddays55anditgot56everydaytounderstandthesubjectsandconcepts. Hardworkalways57.IgotsomeoffersandIdecidedtochoosethisuniversitywhichpromiseditsstudentstohelpthemgaintheknowledge58.RightnowIamgraduatingwithaGPAof3.96/4andanemployment59fromaMNCcompanyaskingmetostartrightaftermy60. 41.A.excuses B.reasons C.situations D.surroundings 42.A.uneasy B.difficult C.simple D.easy 43.A.happened B.worsened C.improved D.changed 44.A.companions B.teachers C.rivals D.colleagues 45.A.talking B.seeing C.imagining D.making 46.A.Initially B.Suddenly C.Lately D.Similarly 47.A.fluent B.thick C.international D.terrible 48.A.in B.for C.on D.with 49.A.Besides B.Therefore C.However D.Though 50.A.gave B.filled C.lent D.found 51.A.wanted B.got C.cherished D.achieved 52.A.challenge B.joke C.secret D.trick 53.A.eager B.hard﹣working C.experienced D.new 54.A.origin B.strength C.performance D.progress 55.A.passedaway B.passedonto C.passedby D.passedthrough 56.A.harder B.worse C.mucheasier D.muchstranger 57.A.paysfor B.paysoff C.comesback D.comestrue 58.A.hardly B.mentally C.practically D.suddenly 59.A.rate B.determination C.offer D.arrangement 60.A.congratulation B.graduation C.gratitude D.contribution
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
砒霜的主要成分为三氧化二砷化学式为As2O3可用于治疗肿瘤.其中砷元素的化合价是
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.
6分Manyrunnersandgymmembersfeelthatmusicmakesexercisemoreenjoyable.Howevertheymightnotknowthatscientistshavefoundthatsomekindsofmusiccanimprovepeople'senergyby15%.ThiswasdiscoveredbyCostasKarageorghisatBrunelUniversity'sSchoolofSportandEducationinLondon.KarageorghishasworkedwithorganizationslikeNikeandwithmanychampionathletes.Inthestudy30peoplelistenedtoinspiringmusicbyQueentheRedHotChiliPeppersandMadonna.Theydidexerciseatthesametime. Whentheyweredoingexerciseintimewiththemusicpeopleshowedhigherenergylevels.Evenwhentheyweredoingveryhardexercisetheywerepositiveabouthowtheyfelt.Whenpeoplearedoingexercisetheirnervessendmessagessayingthattheirbodyisgettingtired.Howeverwhentheyarelisteningtomusicatthesametimethesemessagesareblocked.Karageorghisthinksthisisbecausethemusiccausespartofthebraintosenddifferentmessagestothebodythatmakeitfeelhappyandrelaxed. Karageorghis'workshowsthatdifferenttypesofmusiccanhavedifferenteffectsondifferentpeople.Theeffectofsomemusiccanalsodependonhowtiringtheexerciseis.Karageorghissaidthatoutgoingpeoplepreferfasterandlouderkindsofmusiccomparedtoreservedpeople.Thisisbecauseforthemusictohaveaneffectthebrainsofoutgoingpeopleneedmorestimulationthanthebrainsofreservedpeople.Reservedpeoplewanttofeellessworriedandsohavebetterresultswhenthemusicmakesthemfeelrelaxed. KarageorghiswasaskedtoprovidemusicfortheRuntotheBeathalfmarathonintheUK.IhavelotsofotherexcitingprojectsthatIamworkingon.saidKarageorghis.Oneoftheseistofindoutifthespeedofthemusicwelistentohasaneffectonourheartratewhileweexercise. 33.Whydopeoplefeellesstiredwhentheyexercisewithmusic? A.Musicmakespeople'smusclesrelax. B.Thebrainblocksthepartthatsendsmessages. C.Positivemessagesinsteadofonesaboutfeelingtiredaresenttothebody. D.Theirnervesstopsendingmessagestothebodyintheprocess. 34.AccordingtoParagraph3whichstatementisTRUE? A.Reservedpeopledonotwanttobestimulated. B.Relaxingmusicworkedbetterwithreservedpeople. C.Outgoingpeoplefeellessworriedabouttheirlivesthanreservedpeople. D.Louderfastermusichadabettereffectduringexhaustingexercise. 35.Thepassageismainlywritten. A.torecommenddifferenttypesofmusicfordifferentpeople B.toreportonastudyabouthowmusiccanimproveenergylevels C.toexplorethedifferenteffectsthatdifferenttypesofmusichaveonpeople D.todescribeourbrainswhenweexercisewhilelisteningtomusic.
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.
6分ItwasdaysorevenweekssinceIhadbeenleftontheisland.MyonlycompanionwasadogcalledPhillywhichhadsurvivedtheshipwreck.Memoriesofwhathappenedwerestillfresh. Themagnificenceoftheshiphadgivenusallafalsesenseofsecurity.Asthefirstsignsofthestormstartedourcaptainannounceditwasnothingmuchjustanotherstorm.Yethewaswrong!Thestormhittheshipsobadlythatlargeholesweremadeatthesidesoftheship.Asthefreezingwaterstartedrushinginourshipwasconsumedquicklybythedarkwater. MytrainofthoughtwasdisturbedbyPhillylickingmyhanddearly.Areyouhungry?Ispokemyfirstwordseversincetheshipwreckoccurred.Woofwoof!BarkedPhillyenthusiastically.Atthismomentmystomachgavealoudgrowltoo.Icouldnotrememberwhenmylastmealwasprobablyaten﹣coursedinnerontheship.AsIhadneverfishedbeforeIthoughtmaybeIcouldtrysomethingsimplerlikepickingfruits.WithPhillyatmysidearmedwithasharpbranchwewalkedintotheforestontheislandtogether.SuddenlyIthoughtIheardnoises.Couldtherebeanyoneelseonthisisland?Iwondered.Aswewerelookingforfruittreeswechancedupononethatboreyellowjuicy﹣lookingfruit.Phillystartedbarking﹣wehadcompany.Itwasadark﹣skinnedwomanholdingasharpspeardressedinfurandgrass.Ibackedawayfromherafraidthatshewouldbeaggressive.ThenIsawthatshewastryingtosaveus.Pointingherspearatthefruittreesheshookherheadstrongly. InoddedathertoshowIunderstoodwhatshewassaying.SignalingtoustofollowhersheturnedtowalkalongasmallpaththatIhadnevernoticed.Attheendofthesmallpaththerewasasmallvillage.Tearsofjoyfilledmyeyes. 21.Thewriterhadbeenleftontheislandbecause. A.thecaptainhaddesertedhim. B.hewantedtoexploretheisland. C.hisshiphadcrashedinthestorm D.hisshiphadbrokendownintheshallowwater. 22.WhichofthefollowingstatementsistrueaboutthedogPhilly? A.Hewasfriendlybutaggressive. B.Hewasalsoasurvivaloftheshipwreck. C.Hehadbeenbroughttotheshipbythewriter. D.Hewasleftalonewhilethewriterwentforfood. 23.Thewomanpointedherspearatthefruittreeintendingtotellthewriterthat. A.thefruitswerenotthebestchoice. B.thefruitswereunfitforfood. C.hewasprohibitedtopickthefruits. D.thefruittreewasdangerous.
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
10分TheInternethasopenedupawholenewon﹣lineworldforustomeetchatandgowherewe'veneverbeenbefore.Butjustasinface﹣to﹣facecommunicationtherearesomerulesofbehaviorthatshouldbefollowedwhenonline.36.Imaginehowyou'dfeelifyouwereintheotherperson'sshoes.Foranythingyou'reabouttosend:askyourselfWouldIsaythistotheperson'sface?Iftheanswerisnorewriteandreread.Repeattheprocesstillyoufeelsurethatyou'dfeelcomfortablesayingthewordstotheperson'sface.Ifsomeoneinthechatroomisrudetoyouyourinstinctistofirebackinthesamemanner.37.Youshouldeitherignorethepersonoruseyourchatsoftwaretoblocktheirmessages.Ifitwascausedbyadisagreementwithanothermembertrytofixthesituationbypolitelydiscussingit.Remembertorespectthebeliefsandopinionsofothersinthechatroom.38.Offeradvicewhenaskedbynewcomersastheymaynotbesurewhattodoorhowtocommunicate.Whensomeonemakesamistakewhetherit'sastupidquestionoranunnecessarilylonganswerbekindaboutit.Ifit'sasmallmistakeyoumaynotneedtosayanything.Evenifyoufeelstronglyaboutthinktwicebeforesayinganything.Havinggoodmannersyourselfdoesn'tgiveyoulicensetocorrecteveryoneelse.39.Atthesametimeifyoufindyouarewrongbesuretocorrectyourselfandapologizetothosethatyouhaveoffended.40.Theexceptionisthatyouknowthepersonverywellandyouarebothcomfortablewithsharingpersonalinformation.Otherwisedon't.A.Buttrynottodoso.B.Everyonewasnewtothenetworkonce.C.Ifyoudecidetotellsomeoneaboutamistakepointitoutpolitely.D.Somepeoplespeakingrudelyormakingmistakesonlineisnaturalandcommon.E.Thebasicruleissimple:treatothersinthesamewayyouwouldwanttobetreated.F.Ifyouwanttosendshortmessagestoothersonlinebesuretosaysomethingpolitefirst.G.Itisnotgoodmannerstoaskotherspersonalquestionsorinquireabouttheirprivateaffairs.
25分假定你是李华你的好朋友Judy因考试发挥失常导致成绩不理想而情绪低落.请你给他写封信表示安慰要点如下: 1对她目前状况表示理解; 2建议她找出失常的原因并吸取教训; 3鼓励她树立信心争取下次考出好成绩. 注意: 1词数100左右; 2可以适当增加细节以使行文连贯; 3开头已给出不计入总词数. DearJudy I'msorrytohearthatyoudidn'tdowellinyourexamand Yours LiHua.
热门题库
更多
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
教案备课库
高一下学期数学
教案备课库
高一上学期数学
高一上学期化学
教案备课库
教案备课库