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正方形ABCD中，M是AD中点，点P从点A出发沿A﹣B﹣C﹣D的路线匀速运动，到点D停止，点Q从点D出发，沿D﹣C﹣B﹣A路线匀速运动，P、Q两点同时出发，点P的速度是点Q速度的m倍（m＞1），当点...
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正方形ABCD的边长是4点P.是AD边的中点点E.是正方形边上的一点若△PBE是等腰三角形则腰长为_
某数学兴趣小组对线段上的动点问题进行探究已知AB=8.问题思考如图1点P.为线段AB上的一个动点分别
如图正方形ABCD和正方形DEFG的边长都是3cm点P.从点D.出发先到点A.然后沿箭头所指方向运动
如图在矩形ABCD中AB=4BC=3点O为对角线BD的中点点P从点A出发沿折线AD﹣DO﹣OC以每秒
在正方形ABCD中O.是AD的中点点P.从A.点出发沿A.→B.→C.→D.的路线匀速运动移动到点D
在正方形ABCD中O.是AD的中点点P.从A.点出发沿A.→B.→C.→D.的路线匀速运动移动到点D
如图正方形ABCD的边长为2cm动点P.从点
出发，在正方形的边上沿A.→
→
已知正方形ABCD的边长是1E.为CD边的中点P.为正方形ABCD边上的一个动点动点P.从A.点出发
.如图正方形ABCD的边长为2将长为2的线段QR的两端放在正方形的相邻的两边上同时滑动如果点Q.从点
出发，沿图中所示方向按A.→B→C→D→A 滑动到A.止，同时点R.从点
出发，沿图中所示方向按B.→C→D→A→B滑动到B.止，在这个过程中，线段QR的中点M.所经过的路线围成的图形的面积记为S.。点N.是正方形ABCD内任一点，把N.点到四个顶点A.，B.，
，
的距离均不小于1的概率记为P.，则S=（ ） A.（4
）P.B.4(1-P)C.4PD.(
－1)P
如图正方形ABCD的边长为2将长为2的线段QF的两端放在正方形相邻的两边上同时滑动.如果点Q.从点A
如图正方形ABCD的边长是2M.是AD的中点.点E.从点A.出发沿AB运动到点B.停止.连接EM并延
如图正方形ABCD的边长为2将长为2的线段QR的两端放在正方形的相邻的两边上同时滑动如果点Q.从点
出发，沿图中所示方向按A.→B→C→D→A 滑动到A.止，同时点R.从点
出发，沿图中所示方向按B.→C→D→A→B滑动到B.止，在这个过程中，线段QR的中点M.所经过的路线围成的图形的面积记为S.。点N.是正方形ABCD内任一点，把N.点到四个顶点A.,B,C,D的距离均不小于1的概率记为P.，则S=（ ） A.（4
）PB.4(1-P)
4P
(
－1)P
某数学兴趣小组对线段上的动点问题进行探究已知AB=8.问题思考如图1点P.为线段AB上的一个动点分别
已知如图在直角梯形ABCD中AD∥BC∠B.=90°AD=2BC=6AB=3.E为BC边上一点以BE
如图在矩形ABCD中AB=3BC=4点M是BC的中点点P从点M出发沿MB以每秒1个单位的速度向点B
如图在矩形ABCD中AD=8AB=6点M是BC的中点点P从点M出发沿MB以每秒1个单位长的速度向点
已知如图在直角梯形ABCD中AD∥BC∠B.=90°AD=2BC=6AB=3.E.为BC边上一点以B
猜想与证明如图1摆放矩形纸片ABCD与矩形纸片ECGF使B.C.G.三点在一条直线上CE在边CD上连
如图在正方形ABCD中点E.F.分别是BCCD的中点DE交AF于点M.点N.为DE的中点.1若AB=
.如图正方形纸片ABCD的边长为1M.N.分别是ADBC边上的点将纸片的一角沿过点B.的直线折叠使A
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MyclosechildhoodfriendHowardAllenbroughtusgoodnews.Hespentthelasteightyears1nightschooltogethisbachelor'sdegreewhileworkingafull﹣timejob.Afteryearsoflate2andweekendsofdoingcourseworkandstudying3hegraduatedlastmonth. Heremainedinourhometownafterhighschoolbutmostofhis4myselfincludedleftour5tootherstatesforuniversityandemployment.Overtimenewfoundresponsibilitiesfamiliesandotherthingshavemadeit6thatwe'rebackinourhometownatthesametime. Oneofourmutual共同的friends7awonderfulidea.Wemadeaweekendplanthat8we'dallflybacktoourhometownto9himandcelebratehisaccomplishment. Wecontacted联系Allen'smomand10howtohaveAllencometothesurprise11party.Wedecidedthathismomtoldhimthathewasgoingtohavedinnerwithjusthis12tocelebrate.Littledidheknowthatthedinnerwould13a20﹣personaffairwithhisoldfriendspresentfromalloverthecountry!MeanwhileAllenlikescakesverymuchandI14abigonewhoseflavorwashis15whichIknewfrommychildhood. WhenAllen16tohavedinnerwithhisgrandparentshewas17surprisedandmoved.Hetoldushowmuchit18tohimthatweallflewintomakehimfeel19.Itwasobviousthatthepartywasagreat20butthatwaswhatweshoulddo.Asisoftensaidwhateverisworthdoingatallisworthdoingwell. 1A.building B.attending C.repairing D.cleaning 2A.days B.mornings C.afternoons D.nights 3A.finally B.quickly C.strangely D.naturally 4A.sisters B.brothers C.friends D.teachers 5A.office B.hometown C.company D.job 6A.famous B.rare C.familiar D.fun 7A.liked B.remembered C.hatched D.knew 8A.insecret B.byluck C.inreturn D.bychance 9A.invite B.find C.surprise D.face 10A.showed B.answered C.watched D.discussed 11A.Christmas B.birthday C.graduation D.business 12A.relatives B.grandparents C.colleagues D.classmates 13A.turninto B.gothrough C.dealwith D.careabout 14A.discovered B.received C.drew D.ordered 15A.favorite B.plan C.dream D.design 16A.stopped B.arrived C.waited D.expected 17A.totally B.frankly C.suddenly D.normally 18A.described B.explained C.suggested D.meant 19A.calm B.confident C.brave D.special 20A.invention B.devotion C.success D.medal
TheChinesePeople'sLiberationArmyNavyturned70onApril232019.Itisatimeforreflectingonitsbeginningandhowoverthepastsevendecadesithasovercomesomanydifficultiestogrow1amodemnavalforce. AsamajorPacificcountry2hasmorethan18000kilometersofcoastlineChinaneedsapowerfulnavalforcethatcantimelyrespondtochallengesandrisks.ThePLANavyisincreasinglybeinglookeduponasanessentialforce3defendthecountry'sinterestsandprotectitsnationals'personalsafetyand4possessionoverseas. ThusthecallsforChinatobuildablue﹣seanavyhavebecomestronger5thePLANavyhasapparentlyaccelerateditsmodernizationstepstryingtoincreaseitsbattleabilitiesandreadiness.Nottomentionthatthenavyalsohasthedutytomore6effectiverespondtochallengestothecountry'smaritime海上的interestsandterritorialintegrity领土完整. HoweveraspartofChina'sdefenseforcesthePLANavyisaforcefor7peacepurposesThePLANavyhasalsoactivelyparticipatedininternationalhumanitarianmissions使命and8conductvariousexchangeswithnavalforcesfromothercountriestobuildunderstandingand9strengthtrust. SowehavereasontobelievethatthePLANavy10contributebettertoworldpeaceanddevelopment.
Ihavebeenluckyenoughtoberightnexttodolphinsplayinginperfectsurfusingthepowerofthewavestotravelevenfasterthantheynormallyswim.ThereisnodoubtthattheyareenjoyingthemselvesandthoughIcan'tswimlikeadolphin1. Bodysurfinginvolvesridingonawavewithnohelpfromanydevice装置suchasasurfboardwhichmakesitthepurestformofsurfing.Infactitisoneofveryfewextremesports﹣freeclimbingandcliffdivingareothers2. Howeveritismoreenjoyableandsaferifyouuseflippers脚蹼.Thisisbecausetheyenableyoutoswimfasterandsocatchwavesandsurfalongthemmoreeasily.3Anotheraidisahandboardamini﹣surfboardaboutthesizeofanironheldinonehandtogeneratemorespeedalongthewave. Tocatchawaveswimtowherethewavesbreakandasoneapproachesstartswimmingtowardsthebeach.Youmusttrytotravelatthesamespeedasthewaveandifyoudoitcorrectlyyouwillfeelthewaveliftingyouandpushingyouforwards.4 Bodysurfingisnotaprofessionalsport5thePipelineBodysurfingClassic﹣﹣heldeachyearatthelegendaryBanzaiPipelineinHawaii.LocalbodysurferscompeteagainstathletesfromplacessuchasAustraliaBrazilJapanorFranceinterrifyingwallsofwaterabovethesharpcoralreef. Formenoothersportisasmuchfunasbodysurfing.There'sagoodreasonwhydolphinschoosenottousesurfboards! A.Thentryandsurfalongthesurfaceofthewave B.Icanexperiencethissamefunwhenbodysurfing C.butitdoeshaveitsownunofficialworldchampionship D.thatcanbepractisedbyusingnothingbutthehumanbody E.whichislookeddownonbyprofessionalathleteshowever F.Famousbodyboardersinthegreatsurfinghistoryhavealsocompeted G.Awetsuitisalsoadvisabletouseunlessyouarebodysurfingintropical热带的seas
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KindleE﹣reader8thgeneration FreeTouchscreenDisplay Price:﹩79.99 ●Thinandlightforone﹣handedreading NewKindleis11%thinnerand16%lighterthanthepreviousgenerationKindlemakingiteasyandcomfortabletoholdinonehand. ●ReadlikerealPaper Kindlecreatestextsimilartowhatyouseeinaphysicalbook.Theblacksandwhitesonthescreenareuniformimprovingtextandimagequality. ●Long﹣lifebattery Kindledoesn'tneedpowertoshowapageoftextallowingyoutoreadforweeksonasinglecharge. ●Thousandsofbooksnodistraction分心 Kindleisdesignedtobeane﹣reader.Itsatisfiesyourloveofreadingwithoutinterruptionslikee﹣mailsandphonecalls. ●Lookitupwithoutleavingyourpage SmartLookupcombinesentriesfromTheNewOxfordAmericanDictionarywithinformationfromWikipediasoyoucanknowmeaningscharactersandmorewithoutlosingyourplace. ●Adjustyourtextsize Choosefromeighttextsizestopreventtiredeyessoyoucankeepreadinglonger. Customerreviews: ※DamonMay212019 Thepriceisgreatwithanextra﹩20offandthisnewKindleissmallerinmyhandsthanmyoldone.IwassadtolosemyoldKindlebutthisoneisterrific. ※JasonJanuary262019 ImisstheoriginalKindlerssize﹣thisoneistoosmall.Alsothescreenisoverlysensitiveandthingspopup弹出andthebatterydoesn'tlastaslongastheoriginalKindle.ButmybiggestdisappointmentisthatthisKindledoesn'tallowyoutotransfereverythingfromtheoriginalKindlesoIlostalloftheinformationfrommyoldone.Overalldisappointing. ※SusanNovember172018 IhadtheoriginalKindleandthebatterylastedforweeks.Thisbatteryonlyseemstolastafewdayshowever.TheotherproblemIhavewiththisversionoftheKindleisthetouchscreen.Itisannoyingwhenyouarereadingandstartturningthewrongway.Sometimesit'shardtogetthepagetoturnthewayyou'dlikeitto. 1Whichisafeatureofthe8th﹣generationKindle? A.Itis16%thinnerthanthepreviousone. B.Itisuser﹣friendlywithabuilt﹣indictionary. C.Itcanrunforseveralmonthsonasinglecharge. D.Itisdesignedtoreceivee﹣mailsandmakecalls. 2InwhichwaydoesJason'snewKindlebotherhimmost? A.Itsscreenismuchtoosensitive. B.Itisnotaslargeasheexpected. C.Itsbatterylifeisn'taslongashisoriginalone. D.Documentscan'tbetransferredbetweendifferentKindles. 3WhatproblemdoJasonandSusanhavewiththeirnewKindle? A.Therearealwaysmessagespoppingup. B.Ifsdifficulttoturnonthetouchscreen. C.Pageturningdoesn'tworkwellsometimes. D.Thebatterylastsshorterthantheoriginalone.
Parrotshavebeenknowntomimicwordsbuthaveyoueverthoughthowtheycommunicate?Thesoundstheymakemaysoundmeaninglesstousbutnewresearchhasfoundthatwildparrotsareactuallygivennamesbytheirparents. AccordingtoastudyledbyKarlBergofCornellUniversityintheUSnestlings雏鸟aregivenauniquesoundoftheirownwhichstayswiththemfortheirentirelives. Inthestudytheteamplacedhiddencamerasinthenestsof17differentwildparrots.Afterstudyingtheirsoundstheteamfoundslightdifferencesinthecallsparentsusedtocommunicatewitheachchick.Andevenbeforethenestlingshadlearnedtocommunicateproperlythebabybirdsseemedtorecognizeandmimictheircalls. Soundsverysimilartohumansdoesn'tit? Thestudyalsoprovedthatthesesignaturecallsareacquiredsociallynotgenetically.Todothisscientistsswitchedtheeggsinnineofthe17nestssothathalfoftheparrotswereraisingnestlingsthatwerenottheirs.Usingtherecordingsthescientistsconcludedthenestlingsallusednamessimilartothosetheparentswhetherbiologicalornonbiologicalcalledthemforthefirstweeksoftheirlives.LucieMcNeilfromNationalGeographicsaidthiswouldbethefirstprovenexampleofanon﹣humanspeciesteachingacoustical声学的communication. LeadscientistforthestudyKarlBergtoldNationalPublicRadiooftheUSMostpeoplesay‘Wellallthosecallsarejustnoise'butIthinkthey'rehavingconversations. WhenaskedwhatelsetheparrotsmightbesayingBergrepliedThetheoryisthatthesebirdsaredecidingwherethefoodis.Dowewanttogo3kmNorth﹣northwest?Dowewanttogotothatfield?'Theyaresortofarguingordiscussing.NaturalscienceauthorVirginiaMorellwrote:Verygraduallyscientistsarelearningtounderstandtheconversationsofverydifferentanimalsthatlivelivesrichwithplansquarrelsandromance. Youneverknowifthescienceofanimaltranslationkeepsadvancingwemightonedaybewatchingarealityseriesaboutparrots. 1Whatdidthenewresearchfindaboutwildparrots? A.Theycantalkbylearningfrompeople. B.Thesoundstheymakearemeaningless. C.Theyhavenamesgivenbytheirparents. D.Theyhaveauniquewayofmakingsounds. 2Whichofthefollowingmaythescientistsagreewith? A.Differentparrotsarecalleddifferentlybythetheirparents. B.Babyparrotscantellwhotheirbiologicalparentsare. C.Babyparrotscanmimictheirbiologicalparents'callsbetter. D.Parrotsarethemostskilledanimalsinacousticalcommunication. 3Whydidthescientistsswitchtheeggsinthestudy? A.Toseewhethertheparentscouldrecognizetheirownbabies. B.Toseewhethertheparrotsmadethesamesoundsalltheirlives. C.Toseewhetherthesignaturecallswereacquiredsociallyorgenetically. D.Toseewhetherbiologicalandnonbiologicalparentsnamedbabiesdifferently. 4Whichofthefollowingisthebesttitleofthepassage? A.AnewresearchintheUS B.Parrotscanreallytalk C.Conversationsofanimals D.Parrotsmakemeaninglesssounds
Arubaisoneofthemostwell﹣knownCaribbeandestinationsfortouristsaroundtheworld. You'reprobablywonderingwhattoincludeaswellaswhattowearwhileyou'reinAruba. Clothes Themainreasonwhyyou'reheadingthereistorelaxonthecountry'sfreshbeachesandjoyinwarmwatersoftheCaribbeanSea.Duringmostofthedayyou'lllikelybewearingyourswimsuit.Whenyou'refinishedatthebeachorpoolareaitisadvisabletobringalongashirtorcoveraswellasshortstowear. Itisnotrecommendedtowearbeachclotheswhenyougooutfordinner﹣regardlessofthetimeofday.ShortsandT﹣shirtsareenoughinmanyrestaurantsalthoughmoreformalclothesareadvisedforthefanciesteatingestablishments. Whatelsetobring? TheCaribbeansunisverystrongandifyou'replanningonspendinglotsoftimeinthesunthereareseveralprecautionsyoumusttake.Includesuncreamsunglassesawidehatacoupleofbathingsuitsaswellasabeachbagandacoolerinyourluggage. WhatNOTtobring? WhiledrinkingwaterisquestionableornotsafeinmanyCaribbeannationsArubaisanexception.Arubaisknownforhavingthecleanestwaterintheworld.Thereisnoneedtobringwatersimplybringalonganemptybottle. SeveralitemsareprohibitedinArubaforcarrying.Theseincludefirearmse﹣cigarettesaswellassharpobjectsandtools. 1TouristschooseArubaforadestinationmainlybecause. A.theycanwearcasualclothesfreely B.theycanenjoythebeautifulscenery C.theycanrelaxonthebeachandinwaters D.theycanhaveawonderfuldinnerpartythere 2WhichofthefollowingisnotadvisedtodoinAruba? A.WearingaT﹣shirtinarestaurant. B.Preparingsuncreaminadvance. C.Wearingbeachclothesfordinner. D.Takingalongsunglassesbeforegoingout. 3Thepurposeofthetextisto. A.provideinformationfortourists B.offeradviceontravellinginAruba C.attractmoretouriststotravelinAruba D.warntouristsagainstdoingwrongthings
Everyyearwildfiresdestroymillionsofhectaresofforestland.1Smokejumpershelptostopthis. 2Smokejumpersareaspecialtypeoffirefighter.Theyjumpfromplanesorareloweredbyhelicoptersintoareasthataredifficulttoreachbycaroronfootsuchasthemiddleofamountainforest.Theyracetoputoutfiresasfastastheycan. Atafiresitesmokejumpersfirstexaminethelandanddecidehowtofightthefire.Theirmaingoalistostopafirefromspreading.Usingbasicequipmentsuchasshovelsandaxessmokejumpersclearlandofburnablemateriallikeplantsandotherdrymaterial.3 Althoughthemajorityofsmokejumpersaremenmorewomenarejoining.439ForexamplesmokejumpersemployedintheU.S.mustbe120to200pounds54to91kilogramssotheydon'tgetblownawaybythestrongwindsorgethurtwhentheyland. Smokejumpersmustalsobecapableofsurvivinginthewilderness.InRussiamanysmokejumpersknowhowtofindfoodintheforestandevenmakesimplefurniturefromtrees.5Butforthesefirefighterssmokejumpingisn'tjustajob.Theylovebeingabletojumpoutofplanesfightfiresandliveintheforest.As28﹣year﹣oldRussiansmokejumperAlexiTishinsaysThisisthebestjobfortoughguys. A.Whatisasmokejumper? B.Howdosmokejumpersdoit? C.Moreimportantareyourheightandweight. D.Itmeanstheworkisdangerousandtakesalongtime. E.Andhomesaredamagedandthousandsofpeopledie. F.Theycarrywaterwiththemtoobutonlyalimitedamount. G.Hotweatherandfast﹣movingwindsoftenmakethesefiresmoredangerous.
Chinaishometodifferentkindsofsoybeans.In2011thesoybeanoutputofChinadropped1thefourthplacearoundtheglobe2accountforonly5.55%oftheworld'stotal.Chinanowrelies3muchonimporttomeetadomestic国内的needfortheplantthanever. ActuallyGaiJuyiisoneofthemillionsofdiligentChinesepeople4workhardtochangethesituation.Forovertwo5decadeGaiandhisteamwentintovariousfieldsacrossthecountryjusttocollectseedfromthefarmers.Noneoftheseedsisthesame.hesaid.Seedcollectionisalreadynoeasyjob.Andtheyeven6havetodelaytheprocessfromtimetotimebecauseofalackoffundingmanyofGai'sstudentsleft7industryforthesmallfinancialpayback.8Gaihasremainedinhispostandsparednoeffortsinlookingafterthepreciousseeds. ThehardworkofGaiandhisteam9finalpaidoff.ThankstothemChina'ssoybeanharvestdoubledovertheyears.TheoldmansaidIknow10mypersistencemeanswhenIseeself﹣producedtofuandsoybeanmilkonChinesepeople'stable.
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:在缺词处加一个漏字符号Λ并在其下面写出该加的词. 删除:把多余的用斜线\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l1处起不计分. Withinafewmonthwearegoingtohaveanewsetofbanknotes.Thesebillswillhavenewsecurityfeaturesthatwillmakeprintingfakemoneyevenharder. We'vebeenusingbanknotesforaround1000years.BackintheNorthernSongDynastytheworld'searliestpapermoneynamingjiaoziwasmadebyChinesepeople.Obviouspapermoneyischeapertomakeandeasytocarrythanmetalcoins.Butnowinthedigitalagepapermoneyseemedtobedisappearing.Fromsupermarketstostreetstalls小摊peoplepaybyusetheWechatWalletandAlipayappsonyourphones.Butsomesayitmaybetakealittlelongerthanyouthinkseepapermoneygoaway.
ImpressionWestLakeisagrandeveningshowofmusiclightanddance.DirectedbyZhangYimoutithasbeenupdatedsince2015.Includedinthenewversion1be70percentofelements要素fromHangzhouG20Summiteveninggain. ImpressionWestLakeshowingthelocalcultureofHangzhouandtheuniquecharmoftheWestLakeisoneofChina'sTopSevenShows.It2impressivepresentsthehistoryandcultureoftheWestLakeby3explorethestoriesbasedontheLegendofWhiteSnakeandButterflyLovers. BesidesasacharmingshowImpressionWestLakealsohighlightsthebeautiful4naturelandscape风景oftheWestLake.Thewholeperformanceisstagedentirelyuponthelakeitselfwith5hillasthebackground.6isevenmoreamazingistheRainoftheWestLakewhichisartificiallyrecreated7bringoutthecharmoftheWestLakeintherain. ImpressionWestLakeisalsoafeastofmusic.8isreportedthebackgroundmusicismadebyKitaroafamousJapanesemusicianandthethemesong9performbyZhangLiangyingapopularChinesesinger10apleasantandenjoyablevoice.Allthesebringtheaudienceintothedreamlikeenvironmentofromantic浪漫的Hangzhou.
5月26日2019中国国际大数据产业博览会以下简称“数博会”在贵阳隆重开幕．为了解民众对华为麒麟芯片和天罡芯片的认知程度在数博会期间华为在两个芯片的展区各随机调查了20名参会观众并填写了对该展区芯片的认知程度的调查问卷共10题每题1分共10分问卷调查得分不低于8分的观众可获华为发放的奖品一份． 数博会后对问卷得分进行整理分析给出了下面部分信息 ①绘制了麒麟芯片频数分布直方图和天罡芯片扇形统计图如下得分用x表示数据分组为A0≤x＜2B2≤x＜4C4≤x＜6D6≤x＜8E8≤x≤10 ②麒麟芯片问卷得分B组中6名观众的全部得分是223333且另外四组的总得分为54分 ③天罡芯片问卷得分E组中最低分为9分且仅有一人 ④两组问卷得分的平均数中位数众数满分率获奖率如下表 根据以上信息解答下列问题 1扇形统计图中a＝信息④的表中平均数m＝中位数n＝天罡芯片满分率p%＝ 2通过以上数据分析你认为参会观众对填“麒麟”或“天罡”的认知程度更高并写出理由理由1理由2 3请估计数博会期间每天参与麒麟芯片问卷调查的5000名观众获得奖品的总份数约是多少
下列图形中是中心对称图形的是
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假定你是李华你校将举办诵经典;学汉语ReadClassicsandLearnChinese活动你的英国朋友John对此很感兴趣发邮件向你询问有关情况请根据以下要点用英语给他回复. 1.活动时间及地点;2.诵读内容及形式;3.邀请他参加. 注意: 1.词数100左右;2.可以适当增加细节以使行文连贯; 3.开头和结尾已为你写好不计入总词数. HiJohn Yours LiHua
如图在RT△ABC中∠ABC＝90°．AB＝2．BC＝2以点B为圆心AB的长为半径作圆交AC于点E交BC于点F阴影部分的面积为．结果保留π
Canyouimaginedigginginyouryardonedayandfindingalife﹣sizedsoldiermadecompletelyofclay?That'swhathappenedseveraldecadesagowhenfarmersinXi'anChinawerediggingwells. Archaeologists考古学家havesincefoundabout6000moreofthesesoldiersalongwithhorsesweaponstoolsandotherartifacts.ThehugearmywasmeanttoprotectthetombofthefirstrulerofChina.ThefirstemperorofChinaQinShihuangaccomplishedahugeamountduringhisrule.Between221and210B.C.hestartedtheconstructionoftheGreatWall.Hebuiltalargenetworkofroads.Heintroducedanewwritingsystemcurrency货币andasetofmeasurements.Theemperoralsoorderedtheconstructionofahugearmyoflife﹣sizedterracottasoldiers.Thesehehopedwouldprotecthistombafterhisdeath. ThesoldiersinXi'an'sterracottamuseumaretodaylightbrownbuttheyweren'talways.Theybeganasanarmyofredblueyellowgreenwhiteandpurple.Sadlymostofthecolorsdidnotlasttothepresentday.Afterbeingexposedtoairduringexcavation挖掘thecoatingunderthepaintbegantofalloff.Thepaintdisappearedinlesstimethanittakestoboilaneggtakingwithitimportantpiecesofhistory. Nownewtechniquesarestartingtorevealthearmy'struecolors.Archaeologistshaverecentlydiscoveredanareawithmorethanahundredsoldiers.Manyofthesestillhavetheirpaintedfeaturesincludingblackhairpinkfacesandblackorbrowneyes.ChineseandGermanresearchershavedevelopedaspecialliquidtohelppreservethesoldiers'colors.Aftertheyfindasoldierorotherartifacts手工艺品archaeologistssprayitwiththeliquid.Theythencoveritinplastic.Archaeologistsarealsofindingcolorsinthedirtaroundthesoldiers.It'simportantnottodisturbthedirtsothecolorswon'tbelost.WearetreatingtheearthasanartifactsaysarcheologistRongBothemuseum'sleadingchemist.ThenextchallengesaysRongistofindawaytoapplythecolorstothearmyagain.OncethathappensartistscanbringEmperorQin'sarmybacktolifeinfullvividcolor. 1Theterracottasoldierswereconstructedto. A.showtheoutsideworldaboutChina'sgreatness B.beenjoyedbyeverydaypeople C.frightenChina'senemies D.protectEmperorQin'stomb 2Whatisthemainideaofthethirdparagraph? A.Thesoldierslosttheircolorsveryquickly. B.Thesoldiers'paintfelloffbecauseofthehightemperature. C.Visitorstothemuseumarenotactuallyseeingtherealsoldiers. D.Beingexposedtowaterisbadforthesoldiers. 3Whathavearchaeologistsrecentlydiscovered? A.Aplacewithoverahundredsoldiers. B.Awrittendescriptionofthesoldiers'truecolors. C.Aspecialliquidinthetombtopreservethesoldiers'colors. D.AnewtombforEmperorQin. 4WhichstatementwouldRongBoprobablyagreewith? A.Thesoldiersshouldstayintheircurrentbrowncolor. B.Artistsshouldbeabletopaintthesoldiersinanycolortheywant. C.Archaeologistscanonlyguessatthesoldiers'originalcolors. D.Weshouldtrytorestorethearmy'svividcolors.
OnthemorningofJuly141960JaneGoodallarrivedontheeastshoreofLakeTanganyikaandtheGombeNationalPark.Thenaround5pmsomebodyreportedthattheyhadseenachimpanzee黑猩猩.StraightawayJanesetoffintotheforesttofindherchimpanzees. AsayoungwomanJaneGoodallhadnoscientificknowledgebutthisdidn'tstopherfromfollowingherchildhooddreamofstudyingchimpanzeesinAfrica.Aftermanymonthsofdifficultworkshefound:chimpanzeeseatmeattheyusetoolstogetfoodandtheyalsomaketools.EveryeveningJanewroteherfindingsinadiaryandshebegantopublisharticlesinjournals.AfterawhilescientistsstartedreadingherstudiesandJanewasofferedaplaceatauniversity.AftermoreyearsofresearchshebecameDoctorJaneGoodallin1966.TherewasafilmMissGoodallandtheWildChimpanzees1963andthenthefirstofmanybookscalledMyFriendstheWildChimpanzees1969. Duringthe1970sGombebecameadangerousplacetoworkwhereoftentherewasfightingbetweensoldiers.ManyforeignersfledtheregionbutJanestayed.AdifferentproblemdevelopedinGombeinthe1980s.Thehumanpopulationintheregionwasincreasing.AsaresultofthistherewereonlyaboutahundredchimpanzeeslivinginGombe.Janerealisedthatsomethinghadtobedonesoshesetabouthelpingthelocalcommunitytogrowmoretreesforthemintheregion. After1989Janestartedgivinglecturesfightingagainstthecrueltytochimpanzeesusedinmedicalresearchlaboratories.Shewasalsobusysettingupsanctuariesforchimpswhichhadbeencaughtorwereorphans孤儿becauseofthetradeinchimpanzeemeat.NowadaysshehasverylittlesparetimeleftbutshestillspendspartofeveryyearintheforestinGombewatchingherchimpanzees. 1InwhichorderdidJanedothefollowingthings? a.receivedherdoctor'sdegree b.madediscoveriesaboutchimpanzees c.wroteherfirstbookaboutchimpanzees d.gavelecturesaboutchimpanzeeprotection A.bacd. B.adbc. C.acdb. D.abdc. 2WhatwastheproblemthathappenedtochimpanzeesinGombeinthe1980s? A.Diseasesmadetheirpopulationdropsharply. B.ManyforeignerstookthemawayfromGombe. C.Theirhomeswerealmostdestroyedbyhumans. D.Fightingamongsoldiersbrokeoutintheirhomes. 3Whichofthefollowingbestexplainssanctuariesunderlinedinthelastparagraph? A.Modernhospitals. B.Safehouses. C.Wildlifemarkets. D.Researchlabs. 4WhydoestheauthoruseherchimpanzeesinParagraph1and4? A.TotellusJaneistheirprotectionhero. B.ToproveJane'sresearchneedsthem. C.ToexplainJanehasraisedthem. D.ToshowJanelovesthemdeeply.
ThestudyonfacialrecognitiontechnologyFRTbeganinthelate1960s.Inthelate1990sFRTbegantoenterthemarketgraduallybutitsaccuracyhadalongwaytogothoughitcostgovernmentsalotwhichmadeitunpopularatthattime.FRTattractedwideattentionafterSeptember112001andithasbeenwidelyusednow. RecognizingthepotentialabuseintheuseofFRTMicrosoftisaskingtheU.S.governmenttostudyfacialrecognitionFRandkeepadosewatchoveritsuse.PersonallyIholdthisisapositivejobthatMicrosoftisdoing.FRThasgrowntobesopowerful.Itcanbeusedtoidentifypeopleinphotosvideofeedsandofcourseinpersonwithouttheirpermission. Mr.BradfordSmithMicrosoft'spresidentsuggeststhatgovernmentsaroundtheworldshouldexaminecommercialusesofFR.TheEuropeanUnionEUisaheadofothersinthisaspectthankstoitstoughnewdataprotectionlawwhichforbidscompaniestogatherthebiometric生物特征dataneededforfacialrecognitionwithoutfirstobtaininguserspermission. SanFranciscohasbecomethefirstcityintheUSAtoforbidusingfacialrecognitionsoftware.AndOaklanddiscussedasimilarrulelastmonth.SanFranciscohassaidthatpoliceandotherpublicdepartmentscannotuseFRT.SanFranciscoalreadyusessurveillance监视camerasforreadingcarnumberplatesandpoliceofficerswearbodycameras.SanFranciscoofficialAaronPeskinsaidFRTwaslikeBigBrotherfromthebook1984byGeorgeOrwell.ThephraseBigBrotherisnowusedtodescribeattemptstoincreasesurveillanceandspyoncitizens.Mr.PeskinsaidWecanhavegoodpolicingwithoutbeingapolicestate. 1WhywasFRTunpopularinthe1990s? A.Itwasinconvenienttouse. B.Itwasexpensivetoproduce. C.Itsaccuracyneededimproving. D.Itsrolesweren'tfullyfoundout. 2Whatistheauthor'sattitudetoMicrosoft'sadviceonthemanagementofFRT? A.Hesaysyestoit. B.Heisdoubtfulofit. C.Hefeelsworriedaboutit. D.Hecan'tunderstandit. 3WhohasdonethemostworktomakepeopleuseFRTinarightway? A.SanFrancisco. B.Microsoft. C.Oakland. D.TheEU. 4Whatwouldbethebesttitleforthetext? A.BigBrotherTechnology B.DifferentUsesofFRT C.StrongProtectionofFRT D.FRData'sDisadvantages
MyhusbandandIonlyhaveonecar.SoafterworkIalwayswalktohisofficeandwaitforhimto1mehome. OnedaywhileIwaswaitingforhimabeautifulcar2nearme.IwasbusilyadmiringthecarwhenI3thedriver.Honestlyshewasprobablythe4womanIhadeverseenoutsideofamoviescreen.Her5wereasblueasseaandshehadteethlikeanevenrowofpearls.Minuteslateramancameoutofthebuildingandwalkedovertoher.Theykissedanddroveoff. Sittingthere6injeansandaT﹣shirtIwantedtocry.Itisso7thatpeoplehaveitall. ThenextweekIsawheragainandafterthatitbecamealmost8toseeher.Iwould9ifsheandherhusbandateoutalotandwheretheywent.Iwantedherto10thecarsoIcouldseeherinfulllength.Didshe11classyhigh﹣heeledshoes? Afewweekslaterthisquestionwas12forme. Iwaswaitinginmyusualplaceandthewoman'shusbandcameovertotheircar.Heopenedthedoor.13theprettywomanwalkedaroundtothepassengerside14onawalkingstick.She15onelegwithherhandsandthentheotherone;shehadaprosthetic假肢onherleftlegandabrace支架herrightone. AstheydroveawayIbegantocry.WhenmyhusbandarrivedItoldhimwhathad16.Hesaidheknewherhusbandandthatwhentheladywas12yearsoldshehadbeen17inacarthatgotstuckontherailroadtracks.Bothherparentswerekilled.Therailcompanymadealargesettlementwithherbecausethecrossinghadno18;thatiswhysheownedsuchanicecar. ForweeksIhad19thiswomanandherwayoflife.NowIrealizehowluckyIam.Whenyoumeetapersonwhoseemstobemuchbetteroffthanyoudon'tbefooledby20. 1A.walk B.drive C.fly D.ship 2A.rangup B.spedup C.wentup D.pulledup 3A.noticed B.recognized C.greeted D.observed 4A.prettiest B.proudest C.strictest D.strongest 5A.fingers B.ears C.eyes D.nose 6A.covered B.wrapped C.put D.dressed 7A.touching B.unfair C.interesting D.surprising 8A.boring B.stressful C.routine D.amusing 9A.refer B.whisper C.wonder D.expect 10A.getoutof B.getinto C.goup D.gothrough 11A.wear B.oppose C.abuse D.ban 12A.raised B.handled C.solved D.answered 13A.Immediately B.Slowly C.Curiously D.Fortunately 14A.putting B.carrying C.turning D.leaning 15A.pressed B.skipped C.lifted D.slid 16A.disappeared B.changed C.happened D.lost 17A.limited B.trapped C.lost D.sunk 18A.announcement B.signals C.appeal D.station 19A.envied B.ignored C.respected D.understood 20A.confidence B.confusion C.ambition D.appearance
国际油价随着供需关系持续波动特别是主要产油国的日产量会影响油价的走势某段时间某石油输出大国每天石油的日产量约为1200万桶时石油的国际油价是每桶56美元每桶成本约为40美元．据统计当日产量减少50万桶时每桶国际油价将会提高7美元但当每桶价格高于100美元时石油需求量又会大幅减少从而严重影响该国的国家经济 1若某段时间该国当日的石油日产量最多1050万桶则国际石油的价格最低是多少美元桶 2该国为了实现一天的利润为3300万美元则日产量是多少万桶
NewYorkCitymuseumshavefilled2019withexcitingexhibitions.Herearehighlightsasyouschedulethatleisuretime: TheStatueofLibertyMuseum LibertyIsland StartingMay16 AbrandnewmuseumabouttheStatueofLibertyisopeningonLibertyIslandwiththreeroomswithinthespaceincludinga3Dimmersive拟真的theaterthatwillplayan8﹣to﹣10﹣minutefilmthattellsabriefhistoryofitsbeginningsanditsmeanings. 'CyclingintheCity' MuseumoftheCityofNewYork JulythroughDecember TheMuseumoftheCityofNewYorkisopeninganewexhibitaboutthehistoryofcyclingandthecity'srelationshipwithitcalledCyclingintheCity:A200﹣YearHistorythrough50objectsincluding14bicyclesphotographsandcyclingclothing.TheexhibitionwillalsofeatureancientandmodernfilmsshownonalargescreenwhichwillenablevisitorstoexperiencevirtualcyclinglandscapesviaZwiftanonlinecyclingvideogame. 'ShePersists:ACenturyofWomenArtistsinNewYorkCity' GracieMansion StartingJuly14 With60worksbymorethan40artistsGracieMansioniscelebratingtheexcellentworksofwomenwhocalledNewYorkhomeinthisnewexhibit.Thepaintingsfilmphotographycraftanddesignaredividedintothreethemes:bodyasabattlegroundpicturingpeopleandexpandingabstraction. MuseumoftheDog 101ParkAve. StartingOct.6 Anentireartmuseumaboutdogshasarrivedin Manhattanwithalargetwo﹣floorcollectionofpaintingssculpturesandrarepiecesfromfamousdogartists.ThereareinteractiveexhibitslikeaFindYourMatchandaMeettheBreedstouchscreenwhereyoucanexploredifferentbreeds'featurestraitsandhistories. 1Atwhichplacecanpeoplelearnthehistoryofcycling? A.LibertyIsland B.MuseumoftheCityofNewYork C.GracieMansion D.101ParkAve. 2WhichofthefollowingisNOTopenduringthesummercamp? A.TheStatueofLibertyMuseum B.'CyclingintheCity' C.'ShePersists:ACenturyofWomenArtistsinNewYorkCity' D.MuseumoftheDog 3Whichofthefollowingisatraditionalexhibitionwithoutusingdigitaltechnology? A.TheStatueofLibertyMuseum B.'CyclingintheCity' C.'ShePersists:ACenturyofWomenArtistsinNewYorkCity' D.MuseumoftheDog
Imagineyouareopeningyourowncompanyandwanttohireamanager.Youhavetwoapplicantsandtheyarebothskilledandexperiencedsowhowouldyouratherhire:JuliaWatsonorShobhaBhattacharya?ChancesarcthatyouwouldpreferWalsonright?Butwhy? EasynamesareregardedasmorefamiliarlessriskyandlessdangerousErynNewmanascientistatVictoriaUniversityofWellingtonNewZealandtoldScientificAmerican.Asaresultpeoplewitheasiernamesareoftenconsideredtobemoretrustworthy. ThisiswhatNewmanandherteammateshavefoundintheirrecentstudy.Intheexperimenttheypicked218differentforeignnamesincludingdifficult﹣to﹣pronounceoneslikeYevgeniDherzhinskyandeasynameslikeBodoWallmeyer.Theythenattachedeachnamewithastatementsuchasturtlesaredeafandgiraffesaretheonlymammalsthatcannotjumpandaskedvolunteerswhethertheythoughtthestatementsweretrue.Theresultsshowedthatstatementsconnectedtoeasiernamesweremoreoftenrankedasbelievablethanthosebelongingtodifficultnamesregardlessofwhatthetruthreallywas. Infactpreviousstudieshavealreadyfoundthatourjudgmentsaboutproductscanbeaffectedbytheirnames.Forexamplewetendtothinkofafoodadditivewithaneasiernameassaferandastock股票withaneasiernameasmoreprofitable赢利的accordingtoMedicalDaily.Butresearcherspointedoutthatthiseffectcanchangedependingonwheresomeonecomesfrom.ForexampleanativeBritishmanmayfindYevgeniDherzhinskyhardtopronouncewhileRussianpeoplecansayitwithouteffort. Newmanhopesthatthisfindingcanmakeusbetterseeourbias.It'snotjustunfairtopeoplethatwemakejudgmentsbasedonfeelingsratherthanfacts﹣itcansometimeshaveseriousresults.Forexamplewemaychoosetobelievecertaineyewitnessesincourtsimplybecausetheirnamessoundmoretrustworthyeveniftheyareactuallylying.Orwemayletgoofqualifiedjobapplicantsduetotheirdifficultnames. NowifyoucouldmakethatdecisionagainwouldyoustillpreferJuliaWatsontoShobhaBhattacharya? 1WhydoestheauthorrefertothechoicebetweenthetwonamesinParagraph1? A.Tointroducehowtochooseagoodapplicant. B.Toshoweasynamesareconsideredmorerisky. C.Toexplainwhatkindsofapplicantsareconsideredreliable. D.Tomakereaderswonderwhyapplicantswitheasynamesarepreferred. 2WhatdidNewmanandherteammatesdiscoverintheirexperiment? A.Hard﹣to﹣pronouncenamesdidn'tinfluencehowthevolunteersjudged. B.Statementspairedwitheasynameswereratedasreliableinmanycases. C.Volunteerswitheasiernamesweremorelikelytochoosetruestatements. D.Statementsconnectedwithdifficultnamesweremoretrustedbyvolunteers. 3TheunderlinedwordbiasinParagraph5probablymeans A.realfact B.wisejudgment C.goodunderstanding D.unreasonablepreference 4Whatcanbeconcludedfromthepassage? A.Weshouldthinktwicebeforewemakeadecision. B.Russianshavemorefairnesstopeople'snamesthantheBritish. C.Judgingpeoplebasedontheirnamesmaycauseseriousproblems. D.Theharderyournameispronouncedthemorelikelyyouwillgetajob.
Manyscientistsbelieveourloveofsugarmayactuallybeanaddiction瘾.Whenweeatordrinksugaryfoodsthesugarentersourbloodandaffectspartsofourbrainwhichmakesusfeelgood.Thenthegoodfeelinggoesawayleavinguswantingmore.1Inthiswayitisinfactanaddictivedrugonethatdoctorssuggestweallcutdownon. ItseemslikeeverytimeIstudyanillnessandsearchforthefirstcauseIfindmywaybacktosugarsaysscientistRichardJohnson2Why?SugarwebelieveisoneofcausesoftheproblemifnotthemajorreasonsaysJohnson. Ourbodiesaredesignedtosurviveonverylittlesugar.Earlyhumansoftenhadverylittlefoodsoourbodieslearnedtobeveryefficientinstoringsugarasfat.Inthiswaywehadenergystoredforwhentherewasnofood.Buttodaymostpeoplehavemorethanenough.3Wellwhatisthesolution?It'sobviousthatweneedtoeatlesssugar.4Frombreakfastcereals谷物toafter﹣dinnerdessertsourfoodsareincreasinglyfilledwithit. 5Manyschoolsarereplacingsugarydessertswithhealthierfoodlikefruit.Otherschoolsarcgrowingtheirownfoodingardensorbuildingfacilities设施likewalkingtrackssostudentsandothersinthecommunitycanexercise. A.Buttherearethosewhoarefightingbackagainstsugar. B.High﹣sugarfoodscannegativelyaffectyourenergylevels. C.Sotheverythingthatoncesavedusmaynowbekillingus. D.Alltastyfoodsdothisbutsugarhasaparticularlystrongeffect. E.Thetroubleisintoday'sworldit'sextremelydifficulttoavoid. F.Theaveragepersontakesinabout24kilogramsofsugareachyear. G.1/3ofadultsworldwidehavehighbloodpressureand2.5billionsufferfromobesity.
如图1在▱ABCD中BE⊥BC交AD于E且BE＝BCCF平分∠BCD交AB于F交BE于G连接EF． 1若∠A＝60°CG＝4求EF的长 2如图2若BM平分∠ABE交GF于点M且EF＝GB求证AE+FM＝CD．
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: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. Ourschoolhasalonghistory.Itissuchbeautiful.ButrecentlyIoftenfindsomestudentsdosomethingbadtoourschool.ForanexamplelastFridayIsawastudentspittinginthecorneroftheschoollibrary.Itellhimnottodothatbuthedidn'trespondtomeandwentstraightawaywhatmademesad.There'snodoubtthatitisourdutykeepourschoolcleanandtidy.Weshouldn'tleaverubbisheshereandthere.Drawpicturesinthewalliscertainlyabadhabit.IfeveryoneofuscontributemoretoourschoolImsureshewillbecomemoreandmorebeautifully.
如图矩形ABCD中AD＝3AB＝18EF分别为ADBC上一点连接EF将四边形AEFB沿EF翻折使AB的对应点A′B′与C在一条直线上A′E交BC于G若AB＝BF则GC长．
OnthenightofAugust242001everythingchangedwhenmyfriendscarhitawallwithmeinside.IlostmostofmyrightlegandIwasleftbleedingwithseveralbrokenbones.Atthehospitalalthoughmybodywasweakmymindwasstillveryclear.Ijustkepttellingmyselftoholdon.AweeklaterImadeadealwiththedoctorsthatonceIcouldrollontomysideIcouldleave. TwoweekslaterIwasallowedtogohome.AlthoughIleftthehospitalthefightwasfarfromover.Myleftkneewasbadlyinjuredwhichresultedindifferentsurgeries手术overthenextfewyears.AndsoonmoreofmyrightleghadtoberemovedThismadeithardertowearmyfalselegsoIdonatedittoanursewhocouldn'taffordoneforherself.ThejoyofbeingabletoprovidethisgifttosomeoneelsewasgreaterthanthehappinessIfeltonanydayIwasabletowearitmyself. Peopleoftentellmethey'reproudofmeforstayingstrong.Butinmymindstayingstronghasalwaysbeenmyonlychoice.SoonthedayIleftthehospitalImadeapromisetomyselftoalwayslivelifetothefullest. NowImaynotbeabletodothingsthewayeverybodyelsedoesthembutstillIalwaysfindawaytodothem.IsoonsettledintoeverydaylifeagainuntilonedayIrealizedIwasn'tlivingmylifeasfullyasIwantedto. After13yearsofthinkingthatIwasconfidentIhadanunfamiliarfeelingsweepoverme.ForthefirsttimeinmylifeIwasnotonlyconfidentbutIwantedtohelpthosearoundme.In2014Ievenstartedmodeling.MydreamisthatonedayalittlegirlwillseemeinamagazineandsayWowshe'sbeautifulandsheonlyhasoneleg.IcoulddothattoosomedayeventhoughIhaveadisability. 1Howdidtheauthorfeelafterthecaraccident? A.Shefeltluckythatshewasstillalive. B.Shetookapositiveattitudetowardlife. C.Shecouldn'tacceptthelossofherleg. D.Shecomplainedthatlifewasunfairtoher. 2Whatmadetheauthorfeelhappyaccordingtothetext? A.Shecouldwearherfalselegagain. B.Shehadlivedherlifetothefullest. C.Shewasabletoofferhelptoothers. D.Shecoulddothingslikeeverybodyelse. 3Whydidtheauthorstartmodelingin2014? A.Toappearonthecoverofamagazine. B.Toprovedisabledpeoplecouldalsosucceed. C.Tochallengeherselfbytryingsomethingnew. D.Toencourageotherstobeconfidentofthemselves. 4Whatwastheauthor'smainpurposeinwritingthetext? A.Tostresstheimportanceofhavingadream B.Toshowhowdifficultlifeisfordisabledpeople. C.Togiveadvicetodisabledpeopleonhowtomakealiving. D.Toshareherpastexperiencesandhowshediscoveredherdream.
为庆祝新中国成立七十周年你们学校即将举办一次大型文艺汇演GrandArtandCulturalShow.假如你是李华请给你们学校留学生Eric写一封邮件邀请他参加观看. 内容包括: 1.汇演时间和地点; 2.汇演内容和意义. 注意: 1.词数:100左右. 2.可以适当增加细节以使行文连贯.
Theinternetisn'talwaysahappyplace.Buttherearegroupstryingtochangethat.KuakuaqunorpraisinggrouponWechatinwhichpeoplesendoutcomplimentsandpositivemessagesarebecomingpopularamonguniversitystudentsinChina. PraisinggroupshavebeenfoundedbystudentsfromseveraluniversitiessuchasFudanUniversityCommunicationUniversityofChinaHuazhongUniversityofScienceandTechnology.PeoplecanevenbuymembershipsofsuchgroupsononlineplatformslikeTaobao.Onceadmittedtheymakecomplimentarycommentsabouteachotherandevenasktobecomplimentedonparticularthings. ThepraisinggroupscomeatatimewhenthementalhealthofyoungChineseisgettingattention.AsyoungChineseseekcompanyandconfidencethepraisinggroupsmeetalotofpsychologicalneeds.ThegroupallowsmetoseethegoodqualitiesinmyselfthatIoftenoverlookandlookatthebrightsideofeverything.KindnessfromstrangerscanhelpmefeelmuchbetterTianJiayin22toldChinaDaily. ThepopularityofchatgroupsisalsoareflectionofChineseculturereportedGlobalTimes.AsmanyyoungChineseareraisedtobemodestit'suncommonforthemtoopenlyseekandgivepraise.Asaresulttheydesirecomplimentsastheygrowup.Ifthekidsgotmorepraisefromparentsandteacherstheirdesireforpraisewouldn'tbesostrongsaidDaiJiapsychologistfromHunanUniversityofCommerce. ButChenKanapsychologistfromFudanUniversitywarnedthatmembersofpraisinggroupsshouldbecautiousaboutgivingorreceivingpraise.Thebiggestriskistheconstantemphasisonthe‘falseself'whichmakesithardertoseethe‘trueself'shesaid. 1WhatdoestheunderlinedwordcomplimentsinParagraph1mean? A.praises B.questions C.advice D.information 2WhydomanyChineseuniversitystudentslikeKuakuaqun? A.ItgivesthemadiscountonTaobao. B.Ithelpsthemwiththeirstudies. C.Itmakesthemfeelconfident. D.Ithelpsthemmakenewfriends. 3WhatdoesChenKanthinkofgivingorreceivingpraise? A.Receivingpraiseismorehelpfulthanbeingmodest. B.Parentsandteachersshouldgiveyoungpeoplemorepraise. C.kidsshouldbeencouragedtoopenlyseekandgivepraise. D.Toomuchpraisemightstopkidsfromseeingtheirtrueselves. 4Whatisthemainideaofthearticle? A.Tipsforgettingmotivated B.ThelostgenerationinChina C.OriginofthepraisingcultureinChina D.AdvantagesanddisadvantagesofKuakuaqun
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