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如图表示植物的五种不同的育种方法，请据图回答问题． （1）E方法所用的原理是 ，通过该方法获得优良性状是不容易的，其原因是 ． （2）G一J过程中涉及到的生物工程技术有 ． （3...
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高三下学期生物《》真题及答案
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下图表示五种不同的育种方法示意图请回答下列问题1图中A.→B.→C.的途径表示育种方法与A.D.方向
下面五种不同的育种方法请据图回答问题1图中A.→D.方向所示的途径表示育种方式A.→B.－C.的途径
以下各图分别表示几种不同的小麦育种方法请据图回答1A图所示育种方法是▲其育种原理是▲2B图所示育种方
下图AB分别表示两种培育新品种的原理方法据图回答A图所示的育种方法是育种原理是
育种工作者利用不同的方法进行了如下四组实验请据图回答问题植物组织培养除了需要提供一定的营养温度和光照
下图为五种不同育种方法示意图据图回答1图中A.D方向所示的途径表示的育种方式是＿＿＿＿＿＿＿＿A→B
如图表示五种不同的育种方法示意图请根据图回答下面的问题1图中A.D.方向所示的途径表示杂交育种方式其
以下是五种不同育种方法示意图请据图回答1图中AD表示的育种方法的原理是2B.过程常用的方法是ABC表
如图表示五种不同的育种方法示意图请根据图回答下面的问题1图中A.→D.途径表示育种方式A.→B.→C
植物组织培养是克隆植物的一种方法过程如下图所示请据图回答相关的问题植物组织培养技术不仅应用于花卉果树
假如有两个纯种小麦一个的性状是高秆D易倒伏能抗锈病T另一个的性状是矮秆d抗倒伏易锈病t用这两种纯种小
以下是五种不同育种方法示意图请据图回答1图中①→②表示的育种方法的原理是⑤→⑦→⑧表示的育种方法与⑤
下图为以二倍体水稻2N=24为亲本的几种不同育种方法示意图请据图回答突破物种生殖隔离界限的育种方法是
下面五种不同的育种方法请据图回答问题1图中A→D方向所示的途径表示育种方式A→B－C的途径表示育种方
下图为五种育种方法示意图据图回答问题1图中A.D.方向所示的育种方法的原理是___A.B.C.的途径
图表示五种不同的育种方法示意图请根据图回答下面的问题1图中A.D方向所示的途径表示育种方式A→B→C
下图展示了现代小麦的起源过程据图回答下列问题假如该过程表示一种育种方法这种方法称为
下面五种不同的育种方法请据图回答问题1图中A→D方向所示的途径表示育种方式A→B－C的途径表示育种方
下面五种不同的育种方法请据图回答问题1图中A→D方向所示的途径表示育种方式A→B－C的途径表示育种方
如图是五种不同育种方法的示意图.请据图回答1图中A→D表示的育种方法与A→B→C表示的育种方法都能将
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﹣﹣﹣There'refourbedroomsinthehousewithitsownshower. ﹣﹣﹣That'swhatIwant.I'vegotafewkids. A.either B.neither C.each D.none
Areyouahappypersonoranunhappyperson? Ifyou'reanunhappypersonpleaserememberthathappinessisachoice.1Whatyouneedtodoistomakesomechanges. Unhappypeoplearemorelikelytobelievethatlifeishard.Theyseethemselvesasvictimsoflifewhensomethingbadhappenstothem.Yesasisknowntoalllifecanbehard.2 Unhappypeoplearemorelikelytobelievethatmostpeoplecan'tbetrusted.Theydon'tthinkstrangerscanbetrusted.Unfortunatelythisthoughtslowlystartstopreventthemfrommeetingnewpeople.3Inthiswayyoucanmakemorefriendswhocanincreaseyourhappiness. Unhappypeoplelikecomparingthemselveswithothersandfeeljealous.4Thisiswrong.Insteadyoushouldgetinspiredandtrytoachievemore.Learntobelieveinunlimitedpossibilities.Don'tgetupsetandthinkthatsomebody'slucklimitsyourpossibleoutcomeinlife. Unhappypeopleconsidertheirfuturewithworryandfear.5Unhappypeoplefilltheheadspacewithworryandfear.Howcanyoubehappyifyouarealwaysinworryorfear?Whenfearorworrycrossesyourmindaskyourselfifthereisanactionyoucantaketopreventyourfearorworryfromhappening.Ifthereisn'tjustlayitdownbecauseworryorfeardoesyounogoodatall. Everyonewillprobablyswiminnegativewatersonceinawhilebutwhatmattersishowlongyoustaythere.Followthewaysmentionedaboveandthenyouwillbemuchhappier. A.Butyoushouldhaveapositiveattitudetowardslifeinsteadofcomplainingallthetime. B.Thereisonlysomuchspacebetweenyourears. C.Unhappinessisalsoachoice. D.Youcanchoosetobehappy. E.Youshouldtrytobekindtoothersinordertomakemorefriends. F.Insteadyoushouldbelieveinthegoodinpeopleandstayopenandfriendlytowardspeopleyoumeet. G.Theybelievethatsomeoneelse'sluckisstolenfromtheirown.
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. 增加把缺词处加个漏字符号∧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. Todaythenumberofthenetizens网民inourcountryhaveincreasedrapidlyyetmanyofthemdonotpayenoughattentiontothefamily.ItisnodoubtthatwebenefitmuchfromtheInternet.Foranexampleit'sconvenientforustogettheinformationsweneedandcommunicatewithourfriendsandrelatives.Meanwhileitcouldhelpuslearnthatishappeningbothathomeandabroad.ThereforenomatterhowattractivetheInternetisweshouldn'tseparatedfromourlovedones.WeshouldstopsurftheInternetandspendtimewithourfamiliesenjoyingthetimewhenyouaretogether.
AnAmericanphotographerismakingcopiesofgreatartworkavailableforblindpeopleandthosewithverypooreyesight.Atleast285millionpeopleworldwideareeitherblindorconsideredvisuallyimpaired有缺陷的.Theyareunabletoseeorenjoyvisualfineart. RomeoEdmeadlosthiseyesightwhenhewasonlytwoyearsold.Butthathasnotstoppedhimfromlivinglifetothefullest.Hewenttocollageandstudiedjournalism.HenowlivesinNewYork.Hedependsheavilyonhisothersenses.ButhecannotexperiencethegreatworksofartintheCity.Heremembersavisittoanartcollectionwithhisgrandmother.WewenttothismuseumandIjustwanderedoffsomewhereandIstartedtouchingsomethingandallofasuddenalarmwentoff.Andaguardcamerunningoverandmygrandmotherwasallashamed.Romeoisnowabletousehisfingerstofeelartpaintings.Hecangetanideaoftheappearancebyfollowingthemarkings. JohnOlsononceworkedasaphotographerforLIFEmagazine.HedevelopedaprintingprocesstomaketheartofDaVinciandVanGoghtouchableforvisually﹣impairedpeople.Ibegantorealizehowimportantimages影像havebeentomeandwhattheyhaveallowedmetodo.Anditcausedmetowonderwhatitwasfortheblindnothavingaccesstoimages.Olson'scompanyiscalled3DPhotoworks.Itproducescopiesofartworkinthreedimensions﹣heightwidthanddepth.Thewholeprocesscantakeuptofourweeks. Thankstonewtechnology3Dartmaysoonhanginartmuseumsallovertheworld.Itgivesthevisually﹣impairedthechancetoexperiencethebeautyofvisualart. 1WhatmotivatedJohnOlsontomake3Dartforblindpeople? A.Thebenefitofhiscompany. B.RomeoEdmead'ssufferings. C.Hisappreciationtoblindpeople. D.Theimportanceofimagestopeople. 2Whatdoestheunderlinedworddimensionmean? A.aperiodoftime B.thesizeofasituation C.ameasurementinspace D.thewayofdoingthings 3HowwillJohnOlson'sworkinfluencethelifeofblindpeople? A.Theyareabletolivetheirlifetothefullest. B.Theycanhavethechancetofeelthebeautyofvisualart. C.Theydon'tneedtodependheavilyontheirothersenses. D.Theyhavefreeaccesstomuseumswithoutanydifficulty. 4Whatcanwelearnfromthepassage? A.Ittakesamonthorsotoproducea3Dartwork. B.3Dartisproducedbasedonheightanddepth. C.3Dartisdisplayedinartmuseumsallovertheworld. D.JohnOlsonisrichforwhathehasdonefortheblind.
DearMary IreceiveyourE﹣mailjustnow.Don'tworryaboutme.I'mgettingonwellmyresearchworkinthelab.ButtomygreatsurpriseyousayyouwillgiveuplearningEnglish.Thereasonisthatbecauseyouhavenotdonewellinitrecentlyandyouhavelostinterests.I'mafraidIcan'tagreeonyou.IknowitisdifficulttolearnEnglishbutEnglishiswideusedintheworldtoday.Itwillbeimportanttoolinourfuturework.Besideitisbecomingmoreandmoreimportantinyourdailylife.Ifyoustudyhardyouwillsucceed.Dorememberwherethereisawillthereisaway.I'mlookingforwardtoheargoodnewsfromyou.
FourHabitstoHelpYouSucceed Weallwanttosucceed.Forthosewhohavetriedandfailedsuccessseemsdifficulttounderstand.1. •Knowyourvalues. Findingyourvaluesisinlinewithcreatingmotivation.2Pickahandfulofthingsandwritethemdown.Remindyourselfofyourvalueseverydayandreflectonwhetheryouarehonoringthosevaluesthroughyourwork. •Pickagoalandfocusonit. Chooseonegoaltostartsomethinglargeenoughthatwillgiveyouasenseofachievementwhileadjustingwelltoyourvalues.Focusiskeyhere.3Ifyouperformmanytasksatatimeyoumightneverfinishyourprojectsbecausetheywilltakefartoolong. •Setatimeforsuccess. Setadateforsuccess.Knowwhenyouhopetorealizeyourgoal.4Bysettingatimelimityouaremakingtheprocessrealistic. •5. Failurecan'tbeavoidedwhenyoutakerisks.Byitsverydefinitionthedesiretosucceedmeansyouareriskingfailure.Manypeopletendtogiveupfartooearly.Don'tfallintothistrap!Usefailure.Treatitasagoodthingandgoon. A.Themorefocusedyouareononegoalthehigherchanceyouhaveofsuccess. B.Maketherightdecision. C.Ihavemadealistoffourhabitstohelpyousetgoalsandrealizethem. D.Don'tgiveupbecauseoffailure. E.Keepitrealisticwhilenotgivingyoutoomuchtime. F.Sitandreflectonwhatyouvaluemost. G.Pushyourselftobecourageousandtakethatnextstep.
Ithoughtthepartywaswell组织andeverythingwentwell.
Myfamilyoftenhadaget﹣togetherwithfriendsinmychildhood.AsIwassmarttherewasalwayssomeonewhowouldcomeuptomentionmyhigh1andaskWhatareyougoingtodowhenyou2? Wellitstartedoutbeingateacherorahero.3itwasafiremananartist…AsIgrewoldermydreamsofthefuture4.WhenIwasgoingtocollegeIwasaskedWhatwillyoumajorin?anotherquestion5tofindoutwhatIwouldbewhenIgrewup. BythenImadeupmymindtobecomea6programmer.SoIwasstudyingsoftwareformuchofmylife.Iam7thatIcouldrealizemydream.Therealizationofmylifepurposeencouragesmetohelpotherstosucceedintheirown8. Howeverformanythereisa9whichgoesaroundstealingourdreamsandrobbingusofthe10mentalstatetoachieveour11.Sometimesthethiefwillcomeasaparentarelativeorafriend12thegreatestthiefisjustourselves. Usuallywhenweareaboutto13theaimasmallvoiceinsidewillsayYouwillnever14.Veryfewhaveeverdonethissuccessfully.Andonandonthesmallvoicemakesus15heartandfail. Failure16helpsourdreamstocometrue.Itisoneofthemostimportant17wehavebecauseitteachesus18lessons.Andwhenwelearntheselessonswellweare19forsuccess. Therearenoovernightsuccessesbutwithperseverance毅力theywillcome.Sojustdon't20.Letdreamsstayinyourlife. 1A.intelligence B.power C.quality D.character 2A.getup B.pickup C.growup D.setup 3A.Later B.Before C.Recently D.Meanwhile 4A.kept B.changed C.formed D.continued 5A.imagined B.designed C.supposed D.answered 6A.car B.radio C.computer D.satellite 7A.surprised B.happy C.interested D.worried 8A.studies B.work C.lives D.experience 9A.thief B.parent C.friend D.relative 10A.same B.only C.necessary D.exact 11A.results B.advantages C.power D.goals 12A.so B.because C.and D.but 13A.reach B.select C.leave D.remove 14A.fail B.succeed C.arrive D.forget 15A.break B.lose C.give D.take 16A.though B.instead C.besides D.otherwise 17A.purposes B.tools C.messages D.medicines 18A.logical B.hopeless C.thankful D.valuable 19A.responsible B.sorry C.angry D.ready 20A.takeapart B.giveup C.bringback D.setoff
TomarrivedatthebusstationquiteearlyfortheLondonbus.ThebusforLondonwouldnotleaveuntilfivetotwelve.Hesawalotofpeoplewaitinginthestation.Somewerestandinginlinesandotherswerewalkingabout.Therewasagroupofschoolgirls.Theirteacherwascryingtokeeptheminorder.Tomlookedaroundbuttherewasnowhereforhimtosit. Hewalkedintothestationcafé.Helookedupattheclockthere.Itwasonlytwentytotwelve.Hefoundaseatandsatdownfacingalargemirroronthewall.JustthenJohnoneofTom'sfriendscameinandsatwithTom. Whattimeisyourbus?askedJohn. OhthereisplentyoftimeyetansweredTom. OhI'llgetyousomemoreteathensaidJohn. Theytalkedwhiledrinking.ThenTomlookedattheclockagain. Goodheavens!It'sgoingback﹣ward!hecried.Afewminutesagoitwastwentytotwelveandnowit'shalfpasteleven. YouarelookingattheclockinthemirrorsaidJohn. Tomwantedtokickhimselfforbeingsofoolish.Thenextbuswasnottoleaveforanotherhour.Hehasneverlikemirrorsincethen. 1TheLondonbusleft. A.at1155 B.at512 C.before1155 D.after1155 2Tomwentintothestationcafébecause. A.Johnaskedhimtohaveacupoftea B.hewantedadrinkthere C.hewouldmeetafriendofhis D.itwasearlyyetandhewantedtofindaplacetosit 3Whattimewasitinfactwhenhelookedattheclockinthemirror? A.Halfpasttwelve. B.Halfpasteleven. C.Twentytotwelve. D.Halfpastone. 4Whichofthefollowingistrue? A.Tommissedhisbus B.Hehaslikemirrorsincethen. C.Thenextbuswouldleavesoon. D.TomarrivedLondonontime.
假如你叫李华你和你的家人去笔友David所在的城市新加坡Singapore旅游受到David的热情款待回来后你想对他表达自己的感谢之情.请根据以下要点给David写一封信. 1.感谢他的热情款待 2.在新加坡玩得很开心 3.新加坡的风景和美食令人印象深刻 4.邀请他来遵义旅游. 注意1.词数100词左右2.可适当增加细节以使行文连贯. DearDavid Yours LiHua
﹣ExcusemeJohnbutwhichisforme? ﹣Youcantakehalf.Theyareexactlythesame. A.either B.both C.any D.neither
Paynoattentiontothosewholaughatyou.Whatmostishowyouseeyourself. A.matters B.minds C.cares D.counts
Thisplacedoesn'tlook熟悉的atallwemustbelost.
﹣﹣﹣Herfathertriedtothatnothingunusualhadhappened. ﹣﹣﹣Infactitwasnotserious. A.imagine B.pretend C.mean D.warn
Theywantedto设计amachinethatwasbothattractiveandpractical.
Whydowedream?It'saquestionresearchershavebeenstudyingforyears.Nownewresearchsuggeststhatsomedreamsmayresultfromthebrain'sefforttokeeplearningevenaswesleep. InastudyinBoston100volunteersweretrainedforanhouronamaze迷宫.Theytriedtofindtheirwaythroughthedifficultpuzzleasquicklyaspossible.Thenhalfofthevolunteerswereallowedtosleepfor90minutes.Theotherhalfstayedawakereadingorrelaxing.Theoneswhosleptwereaskedtodescribetheirdreamswhentheywokeup. Aftertherestthevolunteerswereaskedagaintosolvethemaze.Thosewhohadn'tsleptshowednoimprovementordidevenworseafterthebreak.Sleeperswhodidn'treportanymazerelateddreamsdidbetterbutshowedonlyalittleimprovement.Howeverfournaptakerswhoreporteddreamingaboutthemazeshowedasurprisingimprovement.Theyscored10timeshigheraftersleepinganddreamingaboutthemaze. Eventhoughthenumberofdreamerswassmalltheresearchersnotedthatthegapinlearningbetweenthedreamersandnondreamerswassowidethatthefindingwassignificant有意义的. Thedreamershadallperformedpoorlyonthetestbeforedreamingaboutit.Thatsuggeststhatstrugglingwithataskmightbethetriggerthatleadsthesleepingbraintofocusonitandworkonhowtodealwithit. It'salmostasifyourbrainisgoingthrougheverythingthathappenedtodayDrStickgoldascientistatHarvardMedicalSchoolsaid.Thethingsyou'reobsessed迷住witharetheonesthatyourbrainforcesyoutocontinuetodowith. 1Whatwerethevolunteersaskedtodoaftertherest? A.Toworkonanewmaze. B.Tocontinuetodothemaze. C.Totalkwitheachotherabouttheirdreams. D.Totellwhattheythoughtaboutthemaze. 2Accordingtothestudywhichgroupshowedthegreatestimprovement? A.Thosewhodidn'tsleep. B.Thosewhosleptbutdidn'tdream. C.Thosewhodreamedaboutthemazewhilesleeping. D.Thosewhothoughtaboutthemazebeforefallingasleep. 3TheunderlinedwordtriggerinParagraph5probablymeans. A.chance B.cause C.way D.idea 4What'sthebesttitleforthispassage? A.LearningWhileYouDream B.WhatDreamsStandfor C.DreamaGoodDream D.DreamsandHealth
JohnMichaelThomas14Florida WhenJohnMichaelThomasdecidedtohonorhisfriendandclassmateElizabethBuckleywhodiedfromcancerherememberedhowmuchshelovedpeacocks孔雀. Hewantedtobuildalifesizedpeacockfountain喷泉inElizabeth'sfavoriteparkinthecity.Hethoughtitcouldbeaplaceforpeopletorelaxandbeinspired. JohnMichaelraised﹩52000tobuildthefountain. BarrettEngland13Utah ThewheelsbegantoturnforBarrettEnglandwhenheheardaboutKarmaBikeShopaplacewhereyoungpeoplecanearnafreebikebyreadingandperformingcommunity社区service. BarrettvisitedKarma'sownerwithhisideaHewouldcollectandrepairusedbikesanddonate捐赠themtotheshop. Heexpectedtogetabout10donatedbikes.IntheendBarrettreceived39. ZacharyBlohm15Wisconsin The25yearoldplaygroundatanelementaryschoolnearMilwaukeeWis.wassosmallthatonly70ofits575studentscouldplayonitatatime. That'swhenZacharyBlohmsavedthedayHeandsomevolunteersbuiltahugeplayground.ToraisemoneyZacplannedTshirtandbakesalessoldticketsandmore.Heheldmonthlymoneyraisingeventsformorethanayear.Overallhecollected﹩130000﹣enoughtofinishhisproject. JackZimmerman16NewJersey Forsomepeoplefindingamealisassimpleasopeningtherefrigerator.Formorethan366000hungrykidsinNewJerseyit'snotthateasy. Thatfactdidn'tsitwellwithJackZimmermanwhoorganizedadrivetolessenchildhoodhungerinhisstate.Hisgoalcreate40000packagedmealsthatcouldbedonatedtothoseinneed.OngamedayJackandhisvolunteersstartedtheirwork.Afterthefinalcounttheteamhadpackaged47124meals﹣wellaboveJack'sgoal. 1Thepeacockfountainwasbuiltinapark. A.toinspirepeople B.fortheloveofanimals C.inmemoryofateenager D.toencourageacancersufferer 2WhatdidBarrettdoforKarmaBikeShop? A.Hedonatedbikestoit. B.Herepairedbikesthere. C.Hehelpeditwincustomers. D.Heofferedareadingservicethere. 3Whatdothefourpeoplehaveincommon? A.They'retopstudents. B.Theycareaboutothers. C.Theylikevariouspublicactivities. D.They'remoneyraisersforthepoor.
Itdidn'ttakealongtimeforhimto恢复fromhisillness.
Musicisoneofthemostimportantandpowerfulthingsinmylife.1listentomusiccanhelpmotivatemeinhardtimes. WhenIwasyoungerIdidn'thavethegreatlove2musicasIdonow.I3mainlistenedtowhatmyparentswerelisteningto.Ididn'thavemuchofcareformusicalcompositions.WhetherIwasinthecarthehouse4anywhereelsetherewassuretobesomeBeatlesBuddyHollyortheDubliners.NowasI'm5oldIenjoyitasitallowsme6remembermychildhood. Ibelievemusic7havetheabilitytoconveyallsortsoffeelings.Theeffectthatmusiccanhaveonour8emotionisunbelievableasitcanbringpeopletofloodsoftearsorburstsoflaughter. Ibelievemusicaffectspeopleinmanydifferentways.Tomemusicismorethanjust9welistentoorplayit'ssomethingtofeel.Inmylifeitismusicwhichisextremelyimportant10bringsmeclosertomyfriendsandfamily.Ialsofeelthatithelpsmetogetthroughthings.
Manypeoplethinkheroesneedtobehandsomerichorverysmart.Butasformeaheroisapersonwhoalwayshelpsothers. MyheroisUncleBill.Heistheeldestsonofaworkerandhegrewupinapoorfamilywithfouryoungerbrothersandtwolittlesisters.Hehadtogiveupschoolathisveryyoungage.Heworkedandgaveallhismoneytohisparents.Whenhewasgettingolderhefoundthathewasveryinterestedinfixingthings.Hecollectedbrokenthingswhichpeoplethrewawayandfixedthemintogoodones.Hecouldfixalmosteverythingthatdidnotwork.Heworkedhardandnevergaveup.Finallyheopenedhisownrepairshop.Ittookhimabout20yearstobecomeasuccessfulshopkeeper店主. Nowheisveryrichandhasfourothershops.Butheneverforgetsthedayswhenhehadnothing.Hegivesmoneytopoorfamilieshelpspoorkidsbuybooksandoffersthemfreelunches.Healsoencouragespeopletorecyclethings.HealwayssaysMakegooduseofwhatyouhavebecausewejusthaveoneearth.Hevolunteerstocleantheenvironmentinourneighborhood. 1WhatdoesUncleBill'sfatherdo? A.Heisashopkeeper. B.Heisaworker. C.Heisamathteacher. D.Heisafarmer. 2HowmanybrothersandsistersdoesUncleBillhave? A.7. B.6. C.5. D.4. 3WhydoesthewriterthinkUncleBillisahero? A.Heisrichandsmart. B.Heisasuccessfulshopkeeper. C.Healwaystrieshisbesttohelpothers. D.Heisgoodatfixingbrokenthings. 4WhichofthefollowingisTRUEaccordingtothepassage? A.UncleBillisnotgoodatfixingthings. B.UncleBillownsfiverepairshops. C.UncleBillforgetsthedayswhenhehadnothing. D.UncleBillcaresaboutnotpeoplebuttheenvironment. 5What'sthebesttitleforthispassage? A.UncleBill﹣MyHero B.ASuccessfulShopkeeper C.ProtectOurEarth. D.Let'sHelpEachOther.
Themoreyousmiletheyouwillfeel. A.happily B.morehappily C.happy D.happier
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IntheUnitedStateswhenonebecomesrichhewantspeopletoknowit.Andevenifhedoesnotbecomeveryrichhewantspeopletothinkthatheis.ThatiswhatkeepingupwiththeJonesesisabout.Itisthestoryofsomeonewhotriedtolookasrichashisneighbors. Theexpressionwasfirstusedin1913byayoungAmericancalledArthurMomand.Hetoldthisstoryabouthimself.Hebeganearning＄125aweekattheageof23.Thatwasalotofmoneyinthosedays.HegotmarriedandmovedwithhiswifetoaverywealthyneighborhoodoutsideNewYorkCity.WhenhesawthatrichpeoplerodehorsesMomandwenthorsebackridingeveryday.WhenhesawthatrichpeoplehadservantsMomandandhiswifealsohiredaservantandgavebigpartiesfortheirnewneighbors. Itwaslikearacebutonecouldneverfinishhisracebecauseonewasalwaystryingtokeepup.TheraceendedforMomandandhiswifewhentheycouldnolongerpayfortheirnewwayoflife.TheymovedbacktoanapartmentinNewYorkCity. Momandlookedaroundhimandnoticedthatmanypeopledothingsjusttokeepupwithrichlifestyleoftheirneighbors.Hesawthefunnysideofitandstartedtowriteaseriesofshortstories.HecalleditKeepingupwiththeJonesesbecauseJonesisaverycommonnameintheUnitedStates.KeepingupwiththeJonesescametomeankeepingupwithrichlifestyleofthepeoplearoundyou.Momand'sseriesappearedindifferentnewspapersacrossthecountryforover28years. PeopleneverseemtogettiredofkeepingupwiththeJoneses.AndthereareJonsesineverycityoftheworld.ButonemustgettiredoftryingtokeepupwiththeJonesesbecausenomatterwhatonedoesMr.Jonesalwaysseemstobeahead. 1SomepeoplewanttokeepupwiththeJonesesbecausethey. A.wanttobeasrichastheirneighbors B.wantotherstoknowortothinkthattheyarerich C.don'twantotherstoknowtheyarerich D.wanttobehappy 2Itcanbeinferred推断fromthestorythatrichpeopleliketo. A.liveoutsideNewYorkCity B.liveinNewYorkcity C.liveinapartments D.havemanyneighbors 3ArthurMomandusedthenameJonesinhisseriesofshortstoriesbecauseJonesis. A.animportantname B.apopularnameintheUnitedStates C.hisneighbor'sname D.notagoodname 4AccordingtothewriteritistokeepupwiththeJoneses. A.correct B.interesting C.impossible D.good 5What'stheauthor'sattitudetokeepingupwiththeJoneses? A.Negative B.Positive C.Objective D.Supportive
Childrenwhohavechancesto探索naturalareastendtolovescience.
﹣IlovetheInternet.I'vecometoknowmanyfriendsontheNet. ﹣.Fewofthemwouldbecomeyourrealfriends. A.Ican'tagreemore B.I'mpleasedtoknowthat C.That'sforsure D.That'snotthecase
ThereisanoldEnglishsayingLaughteristhebestmedicine.OnepersoncertainlywouldhaveagreedwiththisisNormanCousins. NormanCousinswastheeditorofamagazinecalledSaturdayReviewforalmostfortyyears.Healso1andspokeaboutworldpeaceandanti﹣warissues反战议题travelingtomanydifferentcountriestosharehis2. Inthe1960safterreturningtotheUnitedStatesfromabusyandtiringtriptoEurope.Mr.Cousinsgot3.Hediscoveredhehadastrangediseasethatcausedgreatpaininhisbones骨头. Inlessthanaweekafterhegotbackhecouldnot4it.Everymovethathemadewaspainful.Hewasnotableto5atnight.ThedoctortoldMr.Cousinsthattheydidnotknowhowtocure治疗hisproblemandhemightnever6theillness.Mr.Cousinshoweverrefusedtogiveuphope. Mr.Cousinsthoughtthattheillnesscouldbecausedby7thoughts.Hedidnotwanttotake8tocurehimself.Insteadhefeltthathappythoughtsorlaughtermightcurehisillness. Hebegantoexperimentonhimselfwhilestillinthehospitalbywatchingcomedyshowsontelevision.Mr.Cousinsquicklyfoundthattenminutesof9laughterduringthedaygavehimtwohoursofpain﹣freesleepatnight. Decidingthatthe10couldnothelphimMr.Cousinsleftthehospitalandcheckedintoahotelroomwherehecould11hisexperimentswithlaughter.ForeightdaysMr.Cousins12inthehotelroomwatchingcomedyshowsontelevisionreadingamusingbooksandsleepingwheneverhefelt13.WithinthreeweekshefeltwellenoughtotakeavacationtoPuertoRicowherehebeganrunningonthebeachfor14. AfterafewmonthsMr.Cousinswas15tocarryonhiswork.Hehadlaughedhimselfbacktohealth. 1A.laughed B.taught C.wrote D.copied 2A.magazines B.subjects C.photos D.ideas 3A.rich B.sick C.lonely D.famous 4A.stand B.realize C.face D.improve 5A.dream B.eat C.shout D.sleep 6A.gothrough B.lookafter C.getover D.findout 7A.unhappy B.pleasant C.silly D.clever 8A.food B.time C.medicine D.money 9A.unusual B.false C.real D.wild 10A.friends B.laughter C.experiment D.doctors 11A.begin B.end C.continue D.report 12A.rested B.worked C.studied D.played 13A.well B.tired C.afraid D.worried 14A.help B.exercise C.freedom D.fun 15A.able B.safe C.lazy D.uncertain
IneversawmyfatherhomefromworklateorillnordidIeverseemyfathertakeanightoutwiththeboys.Hehadnobobbiesbutjusttookcareofhisfamily. For22yearssinceIlefthomeforcollegemyfathercalledmeeverySundayat900am.Hewasalwaysinterestedinmylife﹣howmyfamilywasdoing.ThecallsevencamewhenheandmymotherwereinAustraliaEnglandorFlorida. NineyearsagowhenIboughtmefirsthousemyfather67yearsoldspenteighthoursadayforthreedayspaintingmyhouse.Hewouldnotallowmetopaysomeonetohaveitdone.AllheaskedwasaglassoficedteaandthatIholdapaintbrushforhimandtalktohim.ButIwastoobusyforIhadalawpracticetorunandIcouldnottakethetimetoholdthepaintbrushortalktomyfather. Fiveyearsagomy71﹣year﹣oldfatherspentfivehoursputtingtogetheraswingset秋千formydaughter.AgainallheaskedwasthatIgethimaglassoficedteaandtalktohimButagainIhadlaundrytodoandthehousetoclean. ThemorningonSundayJanuary161995myfathertelephonedmeasusualthistimehehadseemedtohaveforgottensomethingswehaddiscussedtheweekbefore.IhadtogettochurchandIcuttheconversationshort. Thecallcameat440am.ThatdaymyfatherwassenttohospitalinFlorida.IgotonaplaneimmediatelyandIvowed发誓thatwhenIarrivedIwouldmakeupforthelosttimeandhaveanicelongtalkwithhimandreallygettoknowhim. IarrivedinFloridaat100ambutmyfatherhadpassedawayat912pm.Thistimeitwashewhodidnothavetimetotalkortimetowaitforme. IntheyearssincehisdeathIhavelearntmuchaboutmyfatherandevenmoreabouteverysingleday. 1Weknowfromthereadingthatthefather. A.likedtopainthouses B.hadnofriendsaroundhim C.wasnothealthyinhisyouth D.thoughtofhisfamilyashisall 2Whenherfatherpaintedherfirsthousethedaughter. A.couldonlyaffordaglassoficedtea B.wastoobusytotalktoherfather C.coulddonothingbutholdapaintbrush D.spenteighthoursadayworkingwithherfather 3OnJanuary161995thedaughterfeltthatherfather. A.seemedtobealittledifferent B.hadnotimetophoneherasusual C.becameinterestedinchurch D.hadforgottentodiscusssomethingswithher 4Inthereadingtheunderlinedphrase‘gettoknowhim'mostprobablymeans. A.gethimtoknowher B.knowmoreabouthim C.gethimtoknowhimself D.makehimwell﹣known 5Whichisthebesttitleofthereading? A.PaintingHouses B.Daughter'sFamily C.FatherandI D.Father'sphonecalls
假定你是李华你的加拿大笔友Susan正在学汉语她给你发来邮件询问你的近况并请你为她推荐﹣本汉语读物.请给她回复邮件要点如下 1.表示感谢 2.介绍你的近况学习生活等 3.推荐中国民间故事ChineseFolkTales. 注意 1.词数100左右 2.可适当增加细节以使行文连贯. DearSusan I'mmorethandelightedtohearfromyou.﹣﹣﹣﹣ Yours LiHua
BeforeweleftLiYanpingexplainedtomethattheforceofgravitywouldchangethreetimesonourjourneyand1thefirstchangewouldbethemostpowerful.Thenwewereoff.Astherocketroseintotheairwe2pullbackintoourseatsbecauseweweretryingtoescapethepulloftheearth'sgravity.Itwasso3strengththatwecouldnotsayanythingtoeachother.GraduallytheweightlessenedandIwasabletotalkto4he.Whyisthespaceshipnotfallingbacktotheearth?OntheearthifIfallfrom5treeIwillfalltotheground.Iasked.Wearetoofar6theearthnowtofeelitspullhe7explainsowefeelasifnogravityatall.Whenweget8closetothemoonlittlebylittleweshallfeelitsgravitypullingusbutitwillnotbeaspowerfulapullastheearth's.Icheeredupimmediatelyandfloated9weightlessaroundinourspaceshipcabin10watchtheearthbecomesmallerandthemoonlarger.
2018年11月21日消息中科院合肥物质科学研究院核能安全所吴宜灿研究员获得美国核学会聚变核能杰出成就奖．关于核反应方程半衰期下列说法正确的是
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