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点A（m，3）、B（m，-9），线段AB的长度为
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如图所示点C.是线段AB上的一点点D.是线段AB的中点点E.是线段BC的中点.1当AC=8BC=6时
如图点C.在线段AB上AC=8cmCB=6cm点MN分别是ACBC的中点.1求线段MN的长.2若C.
如图MN⊥AB垂足为M.点MN交CD于N过M.点作MG⊥CD垂足为G.EF过点N.点且EF∥AB交M
点A2mB2-9且m＜-9线段AB的长度为
若关于xy的多项式8－2mx2＋－n＋3x－5y＋1的值与字母x取值无关.1求mn的值2若点D.是线
如图线段AB=8M是线段AB的中点N是线段AC的中点C为线段AB上一点且AC=3.2求MN两点间的距
如图所示点C.是线段AB上的一点点D.是线段AB的中点点E.是线段BC的中点.1当AC=8BC=6时
已知C.为线段AB的中点D.是线段AC的中点1画出相应的图形并求出图中线段的条数2若图中所有线段的长
如图4P.为直线m外一点点
B.C.在直线m上，且PB⊥m，垂足为
，∠APC=90°， 则错误的是（ ） A.线段PB的长度叫做点P.到直线m的距离 B.PA.PB.PC三条线段中，PB最短
线段AC的长度等于点P.到直线m的距离
线段PA的长度叫做点A.到直线PC的距离
已知线段AB=10cm点C.是直线AB上一点BC=4cm若M.是AC的中点N是BC的中点则线段MN的
7cm
3cm
7cm或3cm
5cm
已知线段AB=20cm直线AB上有一点C.且BC=6cmM.是线段AC的中点则线段AM的长度为.
已知线段AB的长为10cmC.是直线AB上一动点M.是线段AC的中点N.是线段BC的中点.1若点C.
定义:PQ分别是两条线段a和b上任意一点线段PQ长度的最小值叫做线段与线段的距离.已知O00A40B
1如图点C.在线段AB上线段AC=6cmBC=4cm点M.N.分别是ACBC的中点求线段MN的长2根
已知O.
M.、
为平面上四点，且
，则 A.点M.在线段AB上B.点B.在线段AM上
点A.在线段BM上
O.、A.M.、B.四点共线
如图线段AB=8M是线段AB的中点N是线段AC的中点C为线段AB上一点且AC=3.2求MN两点间的距
已知线段AB=10cm点C.是直线AB上一点BC=4cm若M.是AC的中点N.是BC的中点则线段MN
7cm
3cm
7cm或3cm
5cm
如图点C.在线段AB上AC=3BC=5点M.是AC的中点点N.是BC的中点求线段MN的长度.
如图点C.在线段AB上AC=8cmCB=6cm点MN分别是ACBC的中点.1求线段MN的长.2若C.
在平面直角坐标系中点A.的坐标为33点B.的坐标为12.1线段AB的长度为并以A.为圆心线段AB的长
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折线统计图不能反映各种数量的多少．判断题
一种小汽车原价12万元现价9万元降低了%
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.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﹨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. TwomonthsagomymotherandIwerewalkinghomefromshoppingwhilewenoticedasmalldoglyingsillonthemiddleoftheroad.Howdangeritwas!Wegotcloselytohimandfoundthathewasbadlyinjured.Sawthepoordogwedecidedtohelphim.Immediatelywecalledataxiandsendhimtoananimalhospitalwherehewasexaminedandreceivedtreatment.Afterstayinginhospitalforfewdayshebecamegoodenoughtowalk.Thenwetookhimhomeandlookedafterhimcarefullyuntilhewasfullyrecovered.Nowheisalreadyanimportantmemberofourfamilyandbringsourselvesalotofhappiness.
25%==20＝填小数
解方程
假如你是李华你的笔友Tom正在学汉语发来邮件询问如何提高汉语水平请你根据提示用英语给Tom回复. 提示:1.关注语音语调四个声调; 2.背诵经典; 3.写日记; 4.其他. 注意:1.词数100左右; 2.可以适当增加细节以使行文连贯. 提示词:语调intonation声调tone经典作品classics DearTom Sincerely LiHua
深圳市某风景点近几年来游客人数统计图．2000年的游客人数比1998年增长%2002年的游客人数比2000年增长%．
解方程
解方程
You'11finditamazingtosupportpeoplewhenyougoouttoeat!Justlookforrestaurantsthathirepeoplewithdisabilitieswhicharemakingtheworldamoreinclusiveplace.Eachbakerycaféandrestaurantbelowhasawonderfulandheartwarmingstory. HugsCare:McKinneyTexas RuthThompsononcehadavisiontocreateanonprofitcaféthatwouldberunandoperatedprimarilybyadultswithspecialneeds.WithhardworkastrongpassionandanamazingteamHugsCaféopeneditsdoorsin2015.HugsCaféisnowsomuchmorethanajobtoour23teammateswhichisenhancingthemeaningfullivesofadultswithspecialneedsthroughtrainingandemploymentatHugsCafé.Thompsonsays. Vinny&Bay'sCoffeeandEatery:PanamaCityFlorida AlotofpeopleplantheirvacationsaroundcomingtothiscoffeeshopsayscaféownerKaraRigby.Vinny&Bay'sCoffeeandEaterywasestablishedsothatBayleehadaplacetoworkRigbyadds.BayleeisRigby'sdaughter'sfriendwhohasadisability.Thecoffeeshop'sgoalbecometrainingforindividualslikeBaylee.SomeworkershaveevenstartedatVinny&Bay'sandwereabletoworkinaregularworkplace.Rigbysaysthatheremployeeshaveawholelotmoreabilitiesthandisabilities.Theyloveunconditionallyanditchangesthewholeenvironmentandbusiness.Rigbybelievesthatincorporatingevenjustoneortwodisabledindividualsintoabusinesscanchangethewholeatmosphere﹣forthebetter! SugarPlumBakery:VirginiaBeachVirginia HeadtoSugarPlumBakerytofindadeliciouscarrotcakeandseepeoplewithdisabilitiessuccessfullyworkingalongsidenon﹣disabledworkers.SugarPlumhasbeenpromotingtheintegrationofadultswithdevelopmentaldisabilitiesbyprovidingtrainingandemploymentopportunitiestomorethan1000peoplewithdisabilitiessince1987.Whetherthey'rescoopingcookiesormakingcupcakesSugarPlum'sdisabledemployeesarethebackboneofthebakery. 1Whatdothethreerestaurantshaveincommon? A.Theyareestablishedbyadultswithspecialneeds. B.Theyaresupportedbycharitiesorlocalgovernment. C.Theyprovidetrainingandemploymenttodisabledindividuals. D.Theemployersandemployeesthereareallindividualswithdisabilities. 2Itcanbeknownfromthepassagethat. A.HugsCafésetupin1987nowhas23teamates B.RigbyfoundedhercoffeeshoptohelpBayleeherdaughter C.Disabledindividualsarenotabletoworkinaregularworkplace D.SugarP1umBakeryhiresbothnormalpeopleandpeoplewithdisabilities 3Whatdoestheunderlinedsentenceinthelastparagraphsuggest? A.Disabledworkerstherearethemostimportantpart. B.Thebakerygetssupportandstrengthfrombackbone. C.Thecustomersarealwaysbackingthedisabledworkers. D.Theemployeeshaveawholelotmoreabilitiesthandisabilities.
在绘制一幅条形统计图时如果用2厘米长的直条表示80千克那么5厘米的直条就表示千克的重量．
最简单整数比就是比的前项和后项只有公约数1．判断题
解方程 2x+3-51-x=3x-1
TheThingsThatKeepUsFromSucceeding Wehavealwaysbeentoldnottofearfailurebecauseitisessentialtosuccess.Soweshouldembracefailureoratleastthepossibilityoffailure.1.Ifyou'renotreachingthekindofsuccessyouimagineoneormoreofthefollowingthingsmightwellbetrueofyoutoo. NO.1:Youdon'thaveagoal.Atotoftimewefindourselvesstrugglingthroughaday﹣to﹣dayroutinethatisn'tgettingusanywherebecausewedon'tknowwherewewanttogo.Sometimeswehadgoalswhenwesetourselvesonaparticularpathbutwe'vechangedalongthewayandthosegoalsarenolongerthatimportant.2figuringoutwhatyourgoalsareisimportant. NO.2:Youdon'thaveavision.Settinggoalsisimportantbutisn'tenoughtodriveyoutothefinishline;it'simportanttootobeabletoimagineyourselfastheachieverofyourgoals.Ifgoalsaretheendresultofajourneyyourvisionisthefueltogetyouthere. NO.3:Youdon'thaveaplan.Ifgoalsareyourdestinationandavisionisyourfuelyourplanisthemaptogetyouthere.3.Theworldisfullofpeoplewithgoalstheyhaveneveraccomplishedbecausetheydidn'thaveaplan﹣don'tbeoneofthem. NO.4:You'retoocertainornotcertainenough.Toomuchcertaintycreatesinflexibility.Ifyou'resurethatyourplaniscorrectandrefusetoacceptthepossibilityoferroryoumaywellfindyourselfstuckwhenanunexpectedchangecomesabout.Howeverstrongyourplanandhoweversureyouareofyourgoalsmakeroomforperiodicreassessment. 4.Ifyourefusetotakeastepbecauseyouaren'tpositivethatitwillmoveyoutowardssuccessyouwon'tmakeanybetterprogressthanifyouhadnogoalsatall.Keepyoureyesopenandbewillingtochangebuthavefaithinyourselftoo. NO.5:5.Oftenwecloseourselvesofffromotherpeoplenotbecausewe'reafraidthattheywillinfluenceusbutthatwewillinfluencethem.Weareafraidthatourbrilliantideaswillbetakenupbysomeoneelseandnolongerbesolelyours.Soweavoidsharingourpassionsandspendourenergyjealouslyguardingoursecretratherthansimplymovingforward.Intheendweturnourpassionsintoburdensthataredifficulttocarryinsteadofajoy. A.Whateverthecase B.Whateverthecause C.Youworryaboutbeingcopied D.Youdon'tlearnfromyourmistakes E.Atthesametimetoolittlecertaintywillfailyou F.Howeverfearisn'ttheonlythingthatkeepsusfromsucceeding G.Withoutityouhavenoideawhatimmediatestepstotaketoachieveyourgoals
Whataredreamsfor?Ahandfuloftheorieshavethemostinfluence.SigmundFreudfamouslyclaimedthattheyrevealhiddentruthsandwishes.DespitebeinglargelyunsupportedbyevidenceresearchersfoundthatstudentsintheU.S.SouthKoreaandIndiaweremuchmorelikelytoaccepttheview.Inthesamestudyrespondentssaidthatdreamingaboutaplanecrashwouldcausethemmoreanxietythananofficialwarningaboutaterroristattack.Morerecentresearchsuggeststhattheymayhelpusprocessintenseemotionsorperhapssortthroughandstrengthenmemoriesorrehearseresponsestothreateningsituations. Evenifdreamscan'tforetellthefuturetheyseemtoexposeoursharedfascinations.ThemajorityofdreamsoccurduringREMsleepcyclesofwhichtheaveragepersonhasfourorfiveanight.AstudyofCanadianuniversitystudentsfoundthemostcommondreamtopicstobeschoolfallingbeingchasedandarrivingtoolateforsomething. Forallthecommonalitiesdreamsexhibittheyvaryacrosstimepeoplewhogrewupwatchingblack﹣and﹣whiteTVaremorelikelytodreaminblackandwhite﹣andculture.A1958studydeterminedthatcomparedwithJapanesepeopleAmericansdreamedmoreaboutbeinglockeduplosingalovedonefindingmoney.Japanesepeopleweremorelikelytodreamaboutschooltryingrepeatedlytodosomethingbeingparalyzedwithfearorwildviolentbeasts. Ifhumandreamssoundboringbearinmindthatevennegativeonescanhavepositiveeffects.InastudyofstudentstakingaFrenchmedical﹣schoolentranceexam60percentofthedreamstheyhadbeforehandinvolvedaproblemwiththeexamsuchasbeinglateorleavingananswerblank.Butthosewhoreporteddreamsabouttheexamevenbadonesdidbetteronitthanthosewhodidn't. 1WhatdoyouknowaboutFreud'sviewondreaming? A.Itwillcausepeoplemoreanxiety. B.It'salreadybeenprovedbyevidence. C.It'spopularwithsomeAmericanandAsianstudents. D.Itcanrevealthehiddentruthandpredictthefuture. 2Accordingtorecentresearchdreamsmay. A.makeemotionsintense B.helpprepareforspecialsituations C.reduceourmemories D.helpustakenotes 3Accordingtoparagraphs2and3whichofthefollowingistrue? A.Theaveragepersonhasfourorfivesleepcyclesanight. B.Canadianstudentsaren'tworriedaboutbeinglateforschoo1. C.AmericansusuallysharethesamedreamtopicswithJapanese. D.FilmsaboutwildbeastsmaybewidelyshowninAmericain1958. 4Ifyoudreamthatyoufailedtheexam. A.yourdreamwillcometrue B.you'llbedepressedwithfear C.youaresupposedtotakeitseriously D.itshowsthatyoucarealotabouttheexam
化简比．1
解方程
解方程
一班和二班人数比54已知二班48人一班和二班一共有多少人
求比值．千米500米
解方程
解方程x-0.4=x+0.3
IhadstoppedtogetgasataplacewhereIalmostnevergo.Ihad1aboutcleaningmywindshield挡风玻璃.Butthenwhenthegas2wasalmostfinishedIdecidedforsomereasonto3andcleanit.That'swhatIwasdoingwhenawomanapproachedmeandaskedfor4. Thereweretwowomenonemiddleagedtheothertwenty﹣something5ayoungchildinthebackseat.Onadaywhenthetemperaturewaswellpast100theywere6inanoldcarwithnoairconditioningdrivingfromatownaboutanhouraway. CanyoutellushowtogettoMopacsir?Shehadafolded﹣upprintoutofdirectionsfromGooglemaps.Sure.WhereonMopacareyou7?Iasked.Sheunfoldedtheprintoutandshowedmethe8.Iknewitwellandstartedtogetthe9thatthismomentwasmeanttohappen.Iknow10wherethatis.Itoldher.Iusedtohavean11inthatbuildingtoworkin. I12givingdirectionstotheolderladyandthenagaintoher13whowasthedriver.IttookawhilebecauseI14eachinstructiontomakesuretheyunderstood.Inasinceremomentof15theolderladythankedme. Thewhole16helpedmemuchmorethanithelpedher.Ihadbeenhavingavery17day.InfacttheonlyreasonIhadgonetothatparticulargasstationwasthatIwantedtotakealittledriveand18myhead. AsIreplacedthegascaphavingsentthemontheirwayIsuddenly19thatIfeltbetter.Myheadwasclear.AndIam20fortherealgoodnessitbroughtintomylife. 1A.cared B.hesitated C.worried D.complained 2A.making B.leaking C.burning D.pumping 3A.goahead B.giveup C.setoff D.hurryup 4A.gas B.coins C.directions D.food 5A.upon B.with C.except D.beyond 6A.starving B.sheltering C.traveling D.hiding 7A.lost B.arranged C.located D.headed 8A.distance B.line C.sign D.address 9A.feeling B.evidence C.reward D.pleasure 10A.generally B.exactly C.wholly D.personally 11A.destination B.field C.office D.apartment 12A.thoughtof B.putoff C.turnedto D.endedup 13A.companion B.passenger C.helper D.colleague 14A.explained B.repeated C.demonstrated D.recalled 15A.silence B.coldness C.appreciation D.embarrassment 16A.situation B.accident C.conversation D.incident 17A.meaningful B.fortunate C.important D.difficult 18A.clear B.empty C.cover D.turn 19A.understood B.realized C.acknowledged D.assume 20A.anxious B.fit C.ready D.grateful
化简比．8.5米25分米
育人书店上周图书销售情况统计图．根据统计图填空1售出图书最多的一天比最少的一天多册．2本周一共售出图书册．3平均每天售出图书册．4星期五售出的图书册数是星期四售出册数的%．
Nowadays5GisverypopularamongcustomersbutChinaislookingpast5Gandintending.1builda6Gnetwork.Chinaisstartingresearchinto6G2makeitoneofthefirstcountriestodoso.Theactualdevelopmentof6Gwilt3officialbeginin2020butthecommercialusewillhavetowait. The4arriveof5Ghasattractedalotofpeople.ItnotonlybringsfastmobileInternetbutalso5enableustoconnectwithmachines.So6is6Gsupposedtobringespeciallyforordinarypeople?Foronething7willmakemobileInternetworkataspeedof1TBpersecondwhichmeansyoucandownloadaround100films8lessthanonesecond.Foranother6Gwillconnectourdevices9efficientlythan5GwhichmakesInternetcoveragemuchwider. Ofcoursethereisalongwaytogoyet10Ibelievetomorrow'sInternetisinourhands.Ourlifeinthefuturewillbewonderfulandfantastic.
求比值．
解方程-6x=-x+1
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，则 A.点M.在线段AB上B.点B.在线段AM上 点A.在线段BM上 O.、A.M.、B.四点共线
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