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研究人员对两年生香榧苗进行不同程度的遮阴处理,一段时间后测定其叶片的各项生理特征,结果如表. 请分析回答下列问题 (1)据表推知,遮阴会导致香榧苗对 离子的需求量增加,在提取香榧苗色素以及...
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高三下学期生物《》真题及答案
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先控制后消灭是指
无论何种情况,均应先控制一段时间再进行灭火
最先赶到的人员首先进行积极的控制,在控制的同时采取相应的灭火措施
火势不大时,应等待火势完全控制后再灭火
火场人员较多,也应控制一段时间再扑灭
花木树种的短截修剪时间当年生枝条开花的树种一般在花后进行而在两年生枝条上开花的树种一般应在休眠期进行
牧草依据寿命划分
一年生牧草
两年生牧草
三年生牧草
多年生牧草
两年生园艺植物的营养生长期可分为和.
两年生蔬菜
进行混凝土凝结时间测定时需要更换测针的情况是
贯入阻力超过一定程度
经过一段时间后
环境温度或湿度发生改变
贯入操作时在测孔边出现微裂缝
两年生花卉是指生命周期为两年的花卉
先控制后消灭是指
无论何种火情,均先控制一段时间,然后再进行灭火。
最先赶到的人员首先进行积极的控制,在控制的同时在采取灭火措施
如果房间内有一件衣服正在燃烧,发现人员应先去叫人,后灭火
如果失火现场人员较多,也应应控制一段时间,再进行扑灭
果树常用嫁接苗建园嫁接用接穗一般选用
一年生枝梢
两年生枝梢
多年生枝梢
两年生园艺植物的生命周期可分为和
研究人员对两年生香榧苗进行不同程度的遮阴处理一段时间后测定其叶片的各项生理特征结果如表. 请分
春季播种夏秋季开花花后结籽冬季即枯死的植物称为
多年生植物
两年生植物
木本植物
一年生植物
两年生草本
退火处理是将钢件加热到临界点以上30-50℃
保温一段时间后,空冷
保温一段时间后,炉冷
保温一段时间后,水冷
插穗一般是选择
未成熟的枝条
当年生的半木质化的枝条
两年生的枝条
已老化的枝条
疫苗对预防传染病具有重要意义为研制抗某种病毒的灭活病毒疫苗研究人员设计实验方案如下1制备疫苗将纯化的
哪些研究将是语言信息处理技术未来一段时间的主攻方向
石刁柏属于
一年生蔬菜
两年生蔬菜
多年生蔬菜
为了研究酵母菌胞内蛋白质的合成研究人员在其培养基中添加3H标记的亮氨酸后过一段时间后观察相应变化不可
3
H会出现在内质网内腔中
细胞核内不会出现
3
H
培养一段时间后,细胞膜上也能观察到
3
H标记
若能在高尔基体上观察到
3
H标记,表示可能有分泌蛋白合成
某植物茎木质程度不高且较柔软第一年种子发芽生长第二年开花结实后死亡则茎的性质为
灌木
一年生草本
多年生草本
两年生草本
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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.
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.
Ithoughtthepartywaswell组织andeverythingwentwell.
一根轻质弹簧受到拉力作用时其长度会变长且拉力大小与弹簧长度的增加量之比为定值.该比值反映了弹簧的力学性质由此定义该比值叫做弹簧的劲度系数用符号k来表示.如果将两根自然长度相同劲度系数不同粗细也不同的弹簧套在一起看做一根新弹簧设原弹簧A劲度系数为k1原弹簧B劲度系数为k2.现将弹簧AB的一端连接在一起将AB的另一端也连接在一起作为新弹簧记为C的两端C劲度系数为k3.关于k1k2k3的大小关系同学们做出了如下猜想 甲同学和电阻并联相似可能是=+ 乙同学和电阻串联相似可能是k3=k1+k2 丙同学可能是k3= 1为了验证猜想同学们设计了相应的实验.装置见图甲 2简要实验步骤如下请完成相应填空. ①将弹簧A悬挂在铁架台上用刻度尺测量弹簧A的自然长度L0 ②在弹簧A的下端挂上相同的钩码记下钩码的个数n每个钩码的质量m已知实验室所在位置的重力加速度大小g并用刻度尺测量弹簧的长度L1 ③由F=计算弹簧的弹力由x=L1﹣L0计算弹簧的伸长量由计算弹簧的劲度系数 ④改变重复实验步骤②③并求出弹簧A的劲度系数的平均值k1 ⑤仅将弹簧分别换为BC重复上述操作步骤求出弹簧BC的劲度系数的平均值k2k3.比较k1k2k3并得出结论. 3图乙是实验得到的图线由此可以判断同学的猜想正确. 4相类似地定义一个系统在受到拉力作用时拉力大小与系统长度增加量的比值叫做系统的等效劲度系数如图丙中的装置就是我们要研究的一个系统外力竖直向下作用于与动滑轮相连的挂钩上滑轮光滑且质量不计挂钩质量不计细线为不可伸长的轻绳弹簧的劲度系数为k且质量不计.若定义该系统的长度为系统静止时天花板到挂钩最低点间的距离则该系统的等效劲度系数为. A.4kB.2kC.0.50kD.0.25k
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
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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.
某科学家提出年轻热星体中核聚变的一种理论其中的两个核反应方程为H+C→N+Q1H+N→C+X+Q2方程式中Q1Q2表示释放的能量相关的原子核质量见下表
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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.
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如图所示竖直平面内的直角坐标系中X轴上方有一个圆形有界匀强磁场图中未画出x轴下方分布有斜向左上与Y轴方向夹角θ=45°的匀强电场在x轴上放置有一挡板长0.16m板的中心与O点重合.今有一带正电粒子从y轴上某点P以初速度v0=40m/s与y轴负向成45°角射入第一象限经过圆形有界磁场时恰好偏转90°并从A点进入下方电场如图所示.已知A点坐标0.4m0匀强磁场垂直纸面向外磁感应强度大小B=粒子的荷质比=×103C/kg不计粒子的重力.问 1带电粒子在圆形磁场中运动时轨迹半径多大 2圆形磁场区域的最小面积为多少 3为使粒子出电场时不打在挡板上电场强度应满足什么要求
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.
如图所示的xOy坐标系中x轴上固定一个点电荷Qy轴上固定一根光滑绝缘细杆细杆的下端刚好在坐标原点O处将一个套在杆上重力不计的带电圆环视为质点从杆上P处由静止释放圆环从O处离开细杆后恰好绕点电荷Q做圆周运动.下列说法正确的是
﹣IlovetheInternet.I'vecometoknowmanyfriendsontheNet. ﹣.Fewofthemwouldbecomeyourrealfriends. A.Ican'tagreemore B.I'mpleasedtoknowthat C.That'sforsure D.That'snotthecase
如图所示长木板AB倾斜放置板面与水平方向的夹角为θ在板的A端上方P点处以大小为v0的水平初速度向右抛出一个小球结果小球恰好能垂直打在板面上现让板绕A端顺时针转过一个角度到图上虚线的位置要让球从P点水平抛出后仍能垂直打在板面上则抛出的水平速度v不计空气阻力
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
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
某载人宇宙飞船绕地球做圆周运动的周期为T由于地球遮挡宇航员发现有T时间会经历“日全食”过程如图所示.已知地球的半径为R引力常量为G地球自转周期为T0太阳光可看做平行光则下列说法正确的是
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