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空中飞行的足球最终落向地面是由于受到 力的作用,方向是
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足球运动是大家喜爱的运动它包含有许多物理知识踢球时脚感到疼说明力的作用是的踢出球后球继续运动这是由于
足球运动是大家喜爱的运动它包含有许多物理知识踢球时脚感到疼说明力的作用是的踢出球后球继续运动这是由于
踢出去的足球不会立即停下来是因为足球具有空中飞行的足球最终落向地面是由于受到的作用.
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受
足球运动是大家喜爱的运动它包含有许多物理知识踢球时脚感到疼说明力的作用是▲的踢出球后球继续运动这是由
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到
足球运动员踢足球提出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到作用.
踢出去的足球不会立即停下来是因为足球具有空中飞行的足球最终落向地面时由于受到的作用.
踢出去的足球不会立即停下来是因为足球具有空中飞行的足球最终落向地面时由于受到的作用.
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到
踢出去的足球不会立即停下来是因为足球具有空中飞行的足球最终落向地面是由于受到的作用.
踢出去的足球不会立即停下来是因为足球具有空中飞行的足球最终落向地面是由于受到的作用.
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到
踢出去的足球不会立即停下来是因为足球具有空中飞行的足球最终落向地面时由于受到的作用.
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到
小明踢足球踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到作用
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到
小明踢足球踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到作用.
2012·扬州中考小明踢足球时脚感到疼说明_______他能踢出香蕉球说明力的作用效果与力的方向和_
小明踢足球时脚感到疼说明他能踢出香蕉球说明力的作用效果与力的方向和有关飞行中球最终落向地面是由于受到
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阅读以下两则信息回答相关问题 ①氟利昂曾经是一种很好的制冷剂自1987年国际规定禁止使用因为氟利昂分解出氯原子能引发下列循环反应而破坏臭氧O3层①Cl+O3→ClO2②ClO+O3→Cl+O2 O3和O2的化学性质不同的原因是. ②自然界中含氮化合物中常见的氮元素为14N某位研究者用同位素示踪法做了一个实验给绿色植物使用具有放射性15N的氮肥人吃了这些食物最终在人尿中检测出15N那么14N和15N两种原子的本质区别为.
某初中一次课外活动举行了一次有趣的比赛“谁的四轮车一次运行的距离最远”.初三化学兴趣小组制作了如图所示的一辆小车他们往试管中加入两试种剂塞紧塞子通过产生的气体喷出时的反冲力使小车向前运动了.可选择的试剂①碳酸钙②生石灰③10%的稀盐酸④10%的稀硫酸 1测得10%的稀盐酸比10%的稀硫酸pH小则10%的稀盐酸酸性更填“强”或“弱”. 2理论上在加入的两种试剂总质量相同的条件下小组选择的最符合比赛要求的试剂应是填序号在试管中发生反应的化学方程式为. 3另一小组根据同样的推进原理但不进行化学反应也能使小车运动.他们向盛有水的试管中加入的物质可以是填化学式.
InNovemberof1995LesliewasworkingfortheDepartmentofSocialServicestohelpfosterchildreninNorthCarolina.Herjobistotakechildrenoutofdangeroushomesituationsandplacetheminfosterhomes寄养家庭.DuringherfirsttaskLesliesawmostofthechildrencarryingtheirthingsinplasticbags.Theydidn'thavesuitcases手提箱fortheirclothes.WantingtohelpthesechildrenLeslieaskedhermotherifshecouldhavethefamily'soldsuitcasestogivetothem. Leslie's10﹣year﹣oldsisterAbbyaskedhowmanyfosterchildrentherewereintheareaandfoundoutthattherewere300.Mostofthosechildrenhadtocarrytheirthingsinplasticbags.Leslie'scareandthethoughtofthose300childrenmadeyoungAbbytakeaction.Sheaskedpeopletogiveawaytheiroldsuitcasestothesefosterchildrenbymakingpostersandaskingotherchildrenforhelp.Butafterafewweeksshehadnotreceivedanyones.Abbydecidedtobuysomesuitcaseswithhermother'shelp.That'showAbbyBurnsidesetupherprogramSuitcasesforKids.ByMarchof1996SuitcasesforKidshadcollectedandsent175suitcasestothefosterchildren. FinallyAbby'seffortswerenoticedbythemedia.HerstorywasinnewspapersandmagazinesandAbbyappearedonpopulartelevisionshows.AsthestorybecameknownAbby'slocalchapter分支机构receivedmoreandmoresuitcasesuntilitcollected4000suitcasesin1996.SoonAbbywastravelingtodifferentstatestohelpsetupnewSuitcasesforKidschapters.Bytheendof1996therewereSuitcasesforKidschaptersin19differentstates.AftertwofullyearsSuitcasesforKidshadsetupchaptersinall50states.Byitssixthyearthelittleorganizationreachedinternationalattentionhavingchaptersinmorethantencountries.Nowthousandsofchildrenaroundtheworldcancarrytheirthingsinsuitcasesinsteadofplasticbagsjustbecausea10﹣year﹣oldgirldecidedonedaythatshejustwantedtohelp. 1.WasLeslieworkingtohelpthefosterchildreninNovemberof1995? 2.WheredidLeslieseemostofthechildrencarryingtheirthings? 3.HowdidAbbyaskpeopletogiveawaytheiroldsuitcases? 4.HowmanysuitcasesdidAbby'slocalchapterreceivein1996? 5.Whatisthepassagemainlyabout?
同学们写作业时常会用透明胶带把错误处揭去操作时往往要把胶带用手抹几下使之纸贴紧才能揭干净这是为什么
WhenIwassevenyearsoldmyfamilymademeanantfarm.Firstweputcleansandinathinglassbox.Thenwewaitedfortheantstoarrive. Aftertheantswereintheglassfarmtheystartedtomaketunnels地道.Iwasamazedthateachoneknewexactlywhattodo.Eachhaditsownjob. Onthefifthdayatragedy悲剧happened.IputmyfacesoclosetotheglassfarmthatIknockeditover.Allthetunnelsfelldown.Althoughtheantsremainedaliveaftertheirearthquakeonebyonetheybegantodie.IwasscaredasIwatchedthemgiveupbuildingtheirtunnelstocarrythebodiestoacornerofthefarm. Mymothersaidthattheantsweredyingofsadness.Theysimplycouldnotstandthattheirtunnelsweregone. AlthoughmuchtimehaspassedIstillthinkofthatantfarm.Momhadhopeditwouldteachmeaboutthenaturalworldbutittaughtmemuchmore. OvertheyearsIcametorealizetheimportanceofteamwork.Workingtogethertheantswereabletomakeanamazingworldforthemselves.Ialsolearnedthattheyshouldbeadmired钦佩fortheirhardwork. ButtherewasanevenlargerlessonthatIdidnotrealizeuntilrecentlyAdversity逆境isanaturalpartoflifeandmustbeaccepted.Unliketheantswecannotgiveupwhenwearesad.Wehavetorealizethatifatunnelisgonewemustbuildanother. GivingupIsayisnotagoodchoice. 1.Whatdidthewriter'sfamilydoforhimwhenhewasseven? A.Theymadeanantfarm. B.Theyboughtafewants. C.Theycaughtalotofants. D.Theyfoundanantcity. 2.Whathappenedonthefifthday? A.Theearthquakehappened. B.Thewriterputhisfaceontheground. C.Thewriterknockedtheantfarmover. D.Theantsstartedtomaketunnels. 3.Whatdidthewritercometorealizeafewyearslater? A.Workingtogetherisuseless. B.Teamworkisimportant. C.Adversitycan'tbeaccepted. D.Workingaloneisamazing. 4.Finallythewriterthinksthattheantsdiedbecause. A.theyworkedhard B.thewritermadeamistake C.thetunnelwasgone D.theygaveuwhentheymetdifficulties
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ThejourneymydaughterCathyhashadwithherswimmingisaslongasitisbeautiful. Cathysufferedsometerrible1inherearlychildhood.Afteryearsoftreatmentshefinallybecamehealthy. TwoyearsagowhileCathywaswatchingtheOlympicsadreamcameintohersweetlittlehead﹣tobeaswimmer.Lastsummershewantedto2ourlocalswimmingteam.Shepracticedhardandfinally3it.Theteampracticehoweverwasahardstart.Shecoughedandchokedandcouldhardlypullthroughherfirstfewweeks.HearinghercoughingseriouslyonenightIdecidedto4herfromitall.ButCathywokemeupearlynextmorningwearingherswimsuitreadytogo!Itoldhersheshouldn'tswimafterawholenight'scoughingbutsherefusedto5andinsistedshego. FromthatdayonCathykeptswimminganddidn't6asinglepractice.Shealwaystriedherbesttobethebest.Myten﹣year﹣oldwasgrowingandchangingrightbeforemyeyesintothisdeterminedhumanbeing.Thereweremomentsofsadnessofcourseoftenshewouldbethelastswimmerintherace.ItwasdifficultforCathytoacceptthatshewasn'ta7﹣ever.Butthatdidn'tstopherfromtrying. Thencamethefinalawardsceremony颁奖典礼attheendoftheyear.Cathydidn'texpectanyawardbutwasstilltheretocheerforherfriends.AstheceremonywasnearingtheendIsuddenlyheardtheheadcoachannouncingThehighesthonorgoestoCathy!LookingaroundhecontinuedCathyhasinspireduswithher8andwarmth.9skillsandtalentsbringgreatsuccessthemostvaluableasset财富onecanholdistheheart. Itwasthegreatest10ofmydaughter'slife.Withallshehadbeenthroughinhertenyearsthiswasthehouroftruesuccess. 1.A.failure B.pressure C.illness D.danger 2.A.improve B.train C.contact D.join 3.A.broke B.made C.controlled D.found 4.A.fire B.tell C.hide D.pull 5.A.giveup B.putoff C.takeoff D.showup 6.A.waste B.drop C.miss D.start 7.A.beginner B.winner C.partner D.learner 8.A.spirit B.satisfaction C.relation D.decision 9.A.Since B.Although C.Once D.Because 10.A.change B.training C.moment D.development
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