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如图所示，小红背着书包站在匀速上行的自动扶梯上随着扶梯一起上行，在上行过程中：小红受 个力的作用，小红的运动状态 （选填“改变”或“不变”）；小红的机械能 （选填“增大”、“不变”或“减...
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如图小红背着书包站在0.5m/s匀速上行的自动扶梯上随着自动扶梯一起上行在上行过程中以自动扶梯为参
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甲站在0.5m/s匀速上行的自动扶梯上乙站在0.7m/s匀速下行的自动扶梯上甲乙两人质量相等甲上行中
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甲站在0.5m/s匀速上行的自动扶梯上乙站在0.7m/s匀速下行的自动扶梯上.甲乙两人质量相等甲上行
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如图所示小红背着书包站在匀速上行的自动扶梯上随着扶梯一起上行在上行过程中以自动扶梯为参照物小红是的
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如图所示小红背着书包站在匀速上行的自动扶梯上随着扶梯一起上行在上行过程中以自动扶梯为参照物小红是的
如图小红背着书包站在0.5m/s匀速上行的自动扶梯上随着自动扶梯一起上行在上行过程中以自动扶梯为参
如图所示为一商场运行中的自动扶梯.某一顾客站在上行的自动扶梯上.当我们说该顾客静止时.所选的参照物是
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大楼地面
随相邻扶梯下行的乘客
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中国将不会放弃搜寻失联飞机MH370.giveup.
某同学在学习完实验室制取氧气的相关知识后进行了如下归纳与整理其中你认为不正确的是
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Nowthereisafamilyproblem.Nearlyeveryparentsaysthatwenevergrowup.Infactweareprobably14or15yearsold.Intheireyeswearealwayslittleonesandoftendowrongthings.ForexamplewhenIneedtostayathomealonetheyalwaysworryaboutmeandmylifewithoutthem. Mostparentsalwaysthinkthattheyhaveofferedthebestthingstheycantomaketheirchildrenliveinacomfortableworld.Theybuytheirchildrenprettyclothescoolshoeseverythingthattheycanfortheirdearchildren.Inreturntheyonlywanttheirchildrentogetgoodresultsintheexams. Butwhystillcan'ttheirchildrenunderstandthem?Doesitmeanthatwestillwantmorematerial物质things?No.Asamatteroffactwhatwewantisatruefamily.Whatdoesatruefamilymean?Ithinkitmeansaplacewherewecanhideourselvesfromthecoldworldoutside.Fromherewecangetwarmthwecangetconsolation安慰andwecangethappiness.Andoneimportantthingisthatweshouldbestrongerandmoreconfident自信的intheoutsideworldbecauseweknowthatwehaveatruefamily. SoIthinkthatparentsshouldsitdowntotalkwiththeirchildrentoletthemknowthattheyhaveatruefamilysothechildrenandtheirparentscouldunderstandoneanothermoreandmore.Thenparentswillnottreattheirchildrenaslittleones. 41.Inourparents'eyeswe. A.wehavegrownup B.weneverdoanythingwrong C.Wearealwayslittleones D.weshouldn'tworrythem 42.Whatdomostparentswanttogetfromtheirchildren? A.Goodresultsintheexams. B.Thebestthings. C.Prettyclothes. D.Coolshoes. 43.Whatdothechildrenreallywant? A.Morematerialthings. B.Atruefamily C.Nothingatall. D.Acomfortableworld. 44.Whatcanwegetfromatruefamily? A.Warmthandconsolation. B.Happinessandstrength. C.Confidenceandunderstanding. D.Alloftheabove.
﹣Toachieveabrightfutureweshouldstudyhardkeephealthy ﹣Iagreewithyou. A.notonlybutalso B.notbut C.neithernor D.eitheror
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阅读下面的短文用括号内所给词的适当形式填空必要时可加助动词.请将答案填写在文后相应的横线上. Onceuponatimetherewasatravelerwhohadaabighorseandasmalldonkey.Whilehewastravelingthehorseandthedonkeycarriedallkindsofthingson56theybacksforhim.Thebighorsewasverystrongbuthecarriedas57heavyasthesmalldonkey. At58onethedonkeywasabletokeepupwiththebighorse.Butaftersometimehedonkeybegantofeeltootired59keepupanymore.SothedonkeyaskedthehorseBrotherHorsecouldyoupleasehelpme?IamafraidIcan'tgoon60carrymyload负荷物. Noyoucarryyours.Icarry61my.Itisnotmyproblemthatyouarenotasstrongandbigasmeansweredthehorse62feelveryproudthathewas63strong. Notlongafterthatthedonkeyatlast64falldowntothegroundanddied. Their65ownmovedwhatthedonkeycarriedontothebackofthehorse.Nowthehorsehadtocarrythedoubleloadfortherestofthejourneyandheregretted后悔whathedidtothedonkey.IfIhadhelpedthedonkeyoutat66littlehecouldcarrysomething.thehorsesaidto67he.Butitwastoolate. 56. 57. 58. 59. 60. 61. 62. 63. 64. 65. 66. 67.
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Becareful!Somepeoplemayusethetruthtodeceive欺骗.Whensomeonetellsyousomethingthatistruebutmissesimportantinformationthatshouldbeincludedhecancreateafalse不真实的impression. ForexamplesomeonemightsayI'vejustwon100dollarsonthelottery彩票.Itwasgreat.Itookthatticketbacktothestoreandtheygaveme100dollars! Thismanwasawinnerwasn'the?Maybemaybenot.Wethendiscoverthathepaid200dollarsfor200ticketsandonlyoneticketwon.He'sreallyabigloser. Hedidn'tsayanythingthatwasfalsebuthedidn'tgivetheotherimportantinformation.That'scalledahalf﹣truth.Half﹣truthsarenotliesbutinfacttheyaredishonest. Advertisementssometimesusehalf﹣truths.It'sagainstthelawtolieinadvertisementssotheytrytodeceivewiththetruth.AnadvertisementmightsayNine﹣tenthsofstudentssaidthatanewkindofdevice仪器isgoodforthemtorememberwords.Itdoesn'ttellyouthattheyonlyaskedtenstudentsandnineofthemusethiskindofdevice. Thiskindofthinghappenstoooften.It'sasadfactoflife:Liesareliesandsometimesthetruthcanlieaswell. 52.Whenpeopletellpartofthetruth. A.theyarereallylying B.theyarelotterylosers C.theymaynotbehonest D.theymaywantyoutobuysomething 53.WhichofthefollowingisTRUE? A.Thetruthcanbeusedbydishonestpeople. B.Allliesarehiddeninthetruth. C.Nine﹣tenthsofdoctorsworkforFancyCompany. D.Advertisementsarefulloflies. 54.Thewriterwritesthispassagetotellusto A.Thinkcarefullywhentheyreadorhearsomething. B.Spendnomoneyonlotterytickets. C.Nevertrustanyonenomatterwhattheysay. D.Alwaystellthetruth. 55.Whichisthebesttitleforthepassage? A.TelltheTruth B.EverybodyLies C.LieWiththeTruth D.LiesAreLies.
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下列事实与对应的解释相符的是
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