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某公园有一个边长为4米的正三角形花坛，三角形的顶点A、B、C上各有一棵古树．现决定把原来的花坛扩建成一个圆形或平行四边形花坛，要求三棵古树不能移动，且三棵古树位于圆周上或平行四边形的顶点上．以下设计...
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如图在网格中有一个直角三角形网格中的每个小正方形的边长均为1个单位长度若以该三角形一边为公共边画一个
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要做两个形状为三角形的框架其中一个三角形框架的三边长分别为456另一个三角形框架的一边长为2欲使这两
如果只用正三角形作平面镶嵌要求镶嵌的正三角形的边与另一正三角形有边重合则在它的每一个顶点周围的正三角
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用正三角形和正方形镶嵌平面每一个顶点处有_____个正三角形和_____个正方形
面积为l个平方单位的正三角形称为单位正三角形.下面图中的每一个小三角形都是单位正三角形三角形的顶点称
如图在由24个边长都为1的小正三角形的网格中点P.是正六边形的一个顶点以点P.为直角顶点作格点直角三
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如图所示在有24个边长为1的小正三角形的网格中点P.是正六边形的一个顶点以点P.为直角顶点作格点直角
如图中的虚线网格我们称之为正三角形网格它的每一个小三角形都是边长为1的正三角形这样的三角形称为单位正
以下命题中正确的是1等腰三角形的一边长为4cm另一边长为9cm则它的周长为17cm或22cm2三角形
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如果只用正三角形作平面镶嵌要求镶嵌的正三角形的边与另一正三角形有边重合则在它的每一个顶点周围的正三角
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棱锥侧面是有公共顶点的三角形若围成一个棱锥侧面的三角形都是正三角形则这样侧面的个数最多有几个.
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如图将一张边长为4的正三角形纸片剪成四个全等的小正三角形得到4个小正三角形然后将其中的一个三角形再
有一个正三角形的两个顶点在抛物线上另一个顶点在原点则这个正三角形的边长为_________.
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以下各命题中正确的命题是1等腰三角形的一边长为4cm一边长为9cm则它的周长为17cm或22cm2三
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Beingyoungisassociatedwithallthegoodthingsinlife﹣beautyhopeandenergy.Butyouthalsohasnegativeassociations﹣impulsivenesstrouble﹣makingandirresponsibility.Thisnegativesideseemstobewhatsocietyfocusesonmorewhichiswhyyoungpeoplehavemostlybeenconsideredasidleanddifficult. ButwhenitcomestoGenerationZ﹣thosebornbetween1996and2010﹣thisstereotypedoesn'tseemtoapplyanymore. InJapanforexampleGenZ﹣ersarelesslikelytobuyonimpulsebuttakeintoconsiderationmoreaproduct'struevalue.They'relookingatthecompaniesnotjusttheproductsMasahikoUotaniCEOofJapanesecosmeticscompanyShiseidotoldBloomberg.They'reasking'AretheyreallydeliveringvaluetothesocietyAretheypromotingdiversityandinclusion GenZ﹣ersarealsomoregroundedthanwe'veexpectedthemtobe.AccordingtoarecentsurveybyBankofAmericamorethanhalfofyoungadultsagedbetween18and23saidtheywereplanningtobuyahousewithinfiveyears.Andthey'renotjustsayingit﹣theyarewillingtomakesacrificesforitincludinggettingasecondjobandsavingmoneyfordownpaymentinsteadofspendingitonavacation. DespitetheiryoungagethisgroupispragmaticandactivelyplanningfortheirfutureD.SteveBolandheadofConsumerLendingatBankofAmericatoldUSAToday.Theyhaveaclearvisionhowtheyarewillingtohelpthemselvesinordertomakeithappen. SocialissuesarealsoatthecenterofconcernofGenZ﹣erswhotakethemselvesasachangingforceoftheworld.InIndiaforexampleyoungpeoplewhohavejustreachedthevotingageareeagertovoteforanewleaderwhoiscapableofsolvingproblemsthatmatterthemosttothemincludingpollutionunemploymentandwomen'ssafety. AsaGen﹣Zeryourselfwhatisyourplanforthefuture 1Whatdotheunderlinedwordsthisstereotypeinparagraph2referto A.Beingyoungisgood. B.GenZ﹣ersarebornafter1996. C.Thetraditionalpoorimpressionsontheyouth. D.Theassociationswithyoungpeople. 2Wecaninferfromthethirdparagraphthat. A.GenZ﹣ersinJapanarepicky B.TheGenZ﹣ersareself﹣centered C.TheGenZ﹣erscarelittleaboutproducts D.TheGenZ﹣ersarewisewhenshopping 3What'sSteveBoland'sattitudetotheGenZ﹣ers A.Approving. B.Negative. C.Indifferent. D.Critical 4WhichofthefollowingwordsmaybestdescribetheGenZ﹣era A.Confidentandindependent. B.Visionaryandresponsible. C.Persistentanddown﹣to﹣earth. D.Activeandcreative.
MysistercalledtheotherdayandtoldmehowsadshewasfeelingaboutMother'sDaythisyear.1IwastakenbysurprisebecauseMayfeelssofaraway.Ifeltinstantly2becauseIhadn'tthoughtaboutmymotherinawhileAndthat's3whenitoccurredtomethatour4doesn'talwaysfollowacalendar. AfterourmotherdiedIspentagooddealoftime5herinfrontofherphoto.Itenabledmeto6conversationswithherthatwere7tome.Irememberdesiringtobepickupthephoneonmanyoccasionsto8somegoodnewsorgetheradviceonlytobe9.NowIsimplytalktoherinmyhead.Herphotohasbecomea10ofherspiritandI'mgladshe'sthere. MysisterEllensaidthatthisisa11difficultyearforherandsheistryingto12whyShesoundedimpatientwithherself1313yearsshouldbeenoughtimetogetpastbeingsadonMothersDay. Thetruthisthatformeeveryyearis14.AttimeswhentheTVcommercials.advertisementsandlocalstoresabsolutelybombuswithfairytalesofflowersandchocolateandjewelryIgetangry:15thesesameremindersleavemefeeling16formywonderfulmomrecalling回忆hergenerosityandseriousstyle.Shewasalwaysatrooper.AndsometimesIdon't17anyofitatall. AsEllenandItalkedsheseemedtocometoacertain18.ShewasgoingtobeoutofthecountryonbusinessonMothersDaywithoutherhusbandoranyfamilyaroundWithoutthepresenceofthis19sheworriedaboutbeing20.ButshedecidedthatitwouldbeOK.DeepinourheartMumhasalwaysbeenwithus. 1A.Atlength B.Atintervals C.Atrandom D.Atfirst 2A.disturbed B.depressed C.guilty D.annoyed 3A.exactly B.merely C.eventually D.initially 4A.sorrow B.hesitation C.curiosity D.enthusiasm 5A.staringat B.debatingwith C.talkingto D.relyingon 6A.switchon B.carryon C.spyon D.decideon 7A.secure B.ordinary C.meaningful D.skillful 8A.request B.admit C.obtain D.share 9A.astonished B.disappointed C.embarrassed D.motivated 10A.symbol B.signal C.sign D.mark 11A.normally B.basically Cparticularly D.generally 12Asqueezeout B.sortout C.ruleout D.figureout 13A.evenif B.asif C.incase D.nowthat 14A.brilliant B.fortunate C.apparent D.different 15A.Occasionally B.Frequently C.Naturally D.Actually 16Aconcerned B.grateful C.eager D.anxious 17Aputupwith B.tryoutfor C.takechargeof D.payattentionto 18A.selection B.decision C.compromise D.conclusion 19A.support B.sympathy C.appreciation D.Courage 20Ashocked B.scared C.lonely D.nervous
TheEnvironmentalFilmFestivalhasbecomeoneoftheworld'sgrandestsupportersoftheenvironmentalfilm.Toofferfreshviewsonglobalenvironmentalissuesthisyear'sfestivalwillincludearecordof190filmsfrom50countries.including110premieres首映.Herearejustafewofthehighlights. 1.HotWater Featuredamongthefestival'sopeningnightfilmsisthehighlyexpectedHotWateralook2thedepressingdestructiveeffectsofuranium铀miningintheAmericanWest.FormerUS.RepDenisKucinich.whoranforpresidentin2004and2008isfeaturedinthefilmalongwithfilmmakersElizabethKucinichandLizabethRogersDirectedbyKevinFlintand 2.TotheWonder TotheWonderisthelatestfilmbywill﹣knownAmericanDirectorTrrenceMalick.ThefilmanexplorationoflovesetagainstthepowerofnaturestarsBenAleckOlgaKurylenko.RachelMcAdamsandJavierBardemThefilmpremieredincompetitionatthe2012VeniceFilmFestivalandismakingisWashingtonD.Cpremiereduringthefestival. 3.Revolution ThisWashingtonD.C.premierepresentstheCanadianfilmmakerandenvironmentalactivistRobStewart'snewworkRevolutionanurgingcrytotoday'syouthtochangetheplanetbeforeit'stoolate.Theaward﹣winningdocumentarytakesStewartthrough15countriesoverfouryearsinanefforttofindthesecrettosavetheecosystemswerelyonforsurvival. 4.TheFifthSeason BeautifulandmysteryJessicaWoodworth'slatestfeatureTheFifthSeasonisapoeticmeditationEAonnatureinbattleagainsthumans.ThedramaticnarrativetakesplaceinBelgium'ssecretArdenneswherethelocalsrelyonthelandbutnaturetakesaturnandseemstogoonmysteriousstrikeInFrenchandFlemishwithEnglishsubtitles.DirectedandproducedbyWoodworthandPeterBrosens. 1Revolutionisintendedto. A.helpRobStewarttobeanactivist B.changetheyounggeneration C.appealtotheyoungtosavetheearth D.takeStewartthrough15countries 2Whichfilmwillyougotoifyouareapoemlover A.HotWater B.TotheWonder. C.Revolution. D.TheFifthSeason. 3Whatdoweknowaboutthefourfilms A.Theytellsomethingnewaboutenvironmentproblems B.EnvironmentalFilmhasbecomethegrandestfilm C.Theyareallabouthumans'negativefretsontheecosystem D.Theywillbefirstlyshownonthisyear'sfestival
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Thedaysofglancingatamaporthescreenofyoursmartphonewhenyou'relostwillsoonbeover﹣﹣thankstonewshoesthattellyouwhichwaytotumtoTheshoesuseaBluetoothlinktocommunicatewithyourmobile'smappingsystemThemobileworksoutwhichrouteyoushouldbefollowingandtheshoesthensendoutasmallvibration震动ineitherfoottellingyouwhenandwheretochangedirection. Theshoeswillalsocountthenumberofstepsyou'vetakenandthecaloriesyou'veburned﹣andthey'llevenbuzztowarnyouyou'veleftyourphonebehindortoalertyouwhenyou'retravellingpastaninterestinglandmark. TheyareaseasytouseasatapontheshouldersaidKrispianLawrence30whodevelopedtheshoeswithpartnerAnirudhSharma28inHyderabadIndia.Youcanevencommunicatewiththemusinghandgesturesandfingersnapsbecausetheshoeshavesensorsthateanpickupmovementandsound. TheLechalshoesgoonsaleworldwideinJunebutLawrenceandSharma'scompanyDucereTechnologies.hasalreadytakenmorethan3000pre﹣ordersLawrencebelievestheshoeswillalsoimproveroadsafety.IfI'monmybikeormotorbikeIdon'twanttostareatmyphone﹣it'sdangerous.hesaysI'dratherbeguidedbymyshoes.HebelieveshisinnovationwillproveinvaluableforthevisuallyimpairedandhaspromisedthateverymainstreampairsoldbyDucerewillsubsidize资助acheaperpairforavisuallyimpairedperson EootnavtechnologydoesnotimpressexplorerSirRanulphFienneshoweverwhat'swrongwithagoodold﹣fashionedmapsaidthe70﹣year﹣oldwhentoldoftheshoes.Ifyourelytooheavilyontechnologyyou'reheadingfortrouble.Toomanypeoplehaveforgottenthebasics:howtoreadamapandacompass. 1WhichofthefollowingisNOTthefunctionofsmartshoesaccordingtothepassage A.Warnthelossofpricelessthings B.Countstepsandcalories. C.Improveroadsafety. D.Guidetheroad. 2Smartshoescanbeusedasamapbecause. A.specialmapsinthemarelinkedtosmartphones B.thevibrationofourfeetcanbefeltbyus C.aremotecontrolisguidingthem D.peoplecantalktothem 3WhichofthefollowingbestexplainsbuzzunderlinedinParagraph2 A.Appear B.Ring C.Begin D.Sound 4WhydoesexplorerSirRanulphholdanegativeattitudetowardsthisinvention A.Hedoesn'tneeditatall. B.Hedoesn'tbelievethefunctionsoftheinventions. C.Hehopespeoplecanstillrelyontraditionalways. D.Hethinkssmartphoneswilldoharmtous.
LaborDayWeekendatParamountPicturesStudios ThisLaborDayweekendjointheLosAngelesTimesfor3eveningsofamazingfoodwineandchefexperiences.Dozensofhand﹣pickedlocalrestaurantseacheveningwillshowcaseourcity'srichanddiversecookingscenebyservingyoutheirbest.TasteandcelebrateSouthernCalifornia'smostinvitingfoodanddrink.Yourticketisall﹣inclusiveandisgoodforunlimitedfoodbeerwine&spiritstastingsplusallstageactivities. PLEASENOTE:ALLEVENTSATTHETASTEARE21YEARSANDOLDERONLYANDALLSALESAREFINAL. AVIPAccesslevelticketgetsyou: •ConvenientandfreeparkinginsidetheParamountPicturesgatessavingsof﹩15 •Accesstofurnishedloungeduringtheentireevent •BehindthescenestourofParamountPicturesStudios •Firstinthedooraccesstothemainevent Duetothenatureofthiseventwearenotabletoofferrefunds. SCHEDULE FridayAugust31:7:30p.m.﹣10:30p.m. SaturdaySeptember1:8:00p.m.﹣10:30p.m. SundaySeptember2:8:00p.m.﹣10:30p.m. MakesuretoalsosavethedateforournewCostaMesaweekendofLosAngelesTimesTheTasteonOctober19to21.Detailshere. 1OnwhichdaydoestheLaborDayeventlastlongest A.August31. B.September1. C.September2. D.October21. 2WhatcanyoudoontheLaborDayweekend A.Experiencehands﹣oncooking. B.Enjoyafamilytourwithchildren. C.Watchperformancesinthedaytime. D.Havemealsinlocalrestaurantsforfree. 3WhatprivilegedoesVIPmembershave A.Parkingacaratadiscount. B.Livinginafurnishedroom. C.Gettingtheirmoneybackastheylike. D.HavingthechancetolearnmoreabouttheStudios.
关于“舌尖上的化学“下列说法不科学的是
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如图1一个圆球放置在V型架中．图2是它的平面示意图CACB都是⊙O的切线切点分别是AB如果⊙O的半径为cm且AB＝6cm求∠ACB．
AmovieaboutMountQomolangmaIsawonaflightinspiredmetoclimbmountains.WhenIsawtheclimbersgot1inastormthereIimmediatelyknewIhadtostartclimbing.Itwasnotthe2mostpeoplehadtothatfilmbecausenoneofthemsurvived. I3toclimballthehighestpeaksinEuropein2017.GrowingupinSwedenIwasalways4tobeoutdoorsbymyfatherbutIwasn'ta5adventurer﹣Ijustwantedtobea6forgirlsandtotellastorythathadneverbeentold. Thereisno7definition定义ofamountain.InHollandBelgiumandDenmarkthehighestpeakisreallyjustasmallhill.Youcouldparkyourcaronthetop.Itfeltabitlike8butIdecidedIwouldclimbthem9. Climbingmountainsisanexperiencethatisbeyond10Youareinabeautifulenvironmentandwhenyoureachthetopyoufeel11.Buralsoyouhavetoclimbdownwhichiswhenmostaccidentshappen.12Idon'tclimbmountainsthatIamnottotally13. Iwantedto14theprojectathomeonSweden'sKebnekaise2097m.Iclimbeditwithmycameraassistant.Iwaswearingasuperherosuit.OnceIwasatthetopwedida15﹣itwaslikeadayonthejob;itdidn'tseemas16asI'dhoped.ButwhenIputitonlineandpeoplestarted17meIfelt18.Thankstoclimbingit'smademesomuch19physicallyandmentally. My20nowisalwaystohaveamountaininmycalendar.IwillclimbMountQomolangmaonedaywhenI'mready. 1A.stuck B.excited C.changed D.annoyed 2A.access B.promise C.solution D.reaction 3A.declined B.happened C.decided D.agreed 4A.troubled B.warned C.forced D.encouraged 5A.lucky B.serious C.calm D.friendly 6A.rolemodel B.nicesurprise C.funnyjoke D.childhoodmemory 7A.vague B.universal C.broad D.alternative 8A.challenging B.frightening C.attracting D.cheating 9A.otherwise B.indeed C.again D.regardless 10A.recognition B.reach C.description D.control 11A.awkward B.unbelievable C.scared D.anxious 12A.Instead B.However C.Thus D.Lastly 13A.afraidof B.curiousabout C.addictedto D.readyfor 14A.topoff B.lookinto C.giveup D.workout 15A.puzzle B.shoot C.course D.wash 16A.strange B.normal C.special D.ridiculous 17A.praising B.questioning C.defending D.teasing 18A.proud B.grateful C.confused D.astonished 19A.smarter B.stronger C.shyer D.kinder 20A.problem B.secret C.goal D.regret
Whenyoufallgetupagainisalessoneveryparenthopestheirchildwilllearn.ButnoonecouldhaveshowedthisbeerthanBaileyMatthewsfromNottinghamshireEngland.Despitehavingcerebralpalsyaconditionthatlimitsbodymovementandmuscledevelopmentthe8﹣year﹣oldcrossedthefinishlineatatriathlon铁人三项赛withouthiswalkerlastSaturday. Diagnosed诊断withcerebralpalsyat18monthsBaileybecameinterestedintakingonatriathlonwhenhisdadJonathanMatthewsstartedpushinghimarounda5﹣kmcourseataweeklyparkrunevent.JonathanthenadaptedawalkingframesoBaileywhoneedsregularphysicaltreatmenttohelpwithhismobilitycouldgetroundthecoursehimself.SoonafterBaileyexpressedhiswishtotakeonatriathlonandbegantrainingonaspecialbikeandswimminginalake. Althoughhetrippedandfellafewtimesheimmediatelypickedhimselfbackupandmadeittotheendwithhisfatherrollingthewalkerbehindhim.Themostinspiringmomentcameafterhehadalreadycompleteda100﹣meterswima4000﹣meterbikerideanda130﹣meterrun.Hediscardedhisspecially﹣adaptedwalkingframetofinishthelast20metersoftheraceunaidedbringingthecrowdtotears.HundredsofaudiencecheeredBaileyouttothefinishlinebuthisbiggestfansweremostdefinitelyhisparents. Hehasalwaysstruggledwiththingsthatparentsofotherchildrentakeforgrantedbutheneverletsitbotherhim.Hedoesn'tseehimselfasdifferenttoanyoneelse.Ifhewantstodosomethinghewillfindawaytodoitevenifitisnottheconventionalway.WehavealwaystriedtomakesurethatifthereissomethinghewantstodothereisnosuchwordasCAN'TsayshismotherJulieHardcastle. 1WhatdoweknowaboutBaileyMatthews A.HewasthebeststudentinNottinghamshire B.Hefullyrecoveredafterhetookpartinatriathlon. C.Hewasencouragedbyhisdoctortobecomeatriathlon. D.Hefinishedatriathlonregardlessofphysicalrestrictions. 2WhichofthefollowingbestexplainsdiscardedunderlinedinParagraph3 A.Reliedon B.Threwaway C.Toredown D.Fixedup 3HowdoesJulieHardcastlefeelaboutherson A.Sheisproud B.Sheisgrateful C.Sheissympathetic D.Sheisdisappointed. 4Whatcanbeasuitabletitleforthetext A.Parents'Love B.StrongFamilyTies C.AnInspiringTriathlonFinish D.ALonelyStruggleAgainstMisfortune
HowtoCultivateConfidence Whenfacedwithabigchallengewherepotentialfailureseemstoappearateverycornermaybeyou'llhearthisadvice:Bemoreconfident.1Takethebeliefthatyouarevaluableworthwhileandcapablealsoknownasself﹣esteem.Confidenceturnsthoughtsintoaction.Itcomesfromthegenesyouarebornwiththewaypeoplegetusedtotreatingyouaswellasthechoicesyoumake.Whileitisn'tpossibletocompletelyseparatethesethreefactorsthepersonalchoiceswemakeobviouslyplayamajorroleinconfidencedevelopment.Asaresultbykeepinginmindcertainpracticaltipswedoactuallyhavethepowertocultivateourownconfidence. 2Ifyou'relookingforalong﹣termchangeconsiderthewayyouthinkaboutyourabilitiesandtalents.DoyouthinktheyarefixedatbirthorthattheycanbedevelopedThesebeliefsmaterbecausetheycaninfluencehowyouactinthefaceofsetbacks.ifyouhaveafixedmindsetmeaningthatyourtalentsarelockedinpaceyoumightgiveupassumingyou'vediscoveredsomethingyou'renotgoodat.Butifyouhaveagrowthmindsetandthinkyourabilitiescanimproveachallengewillbecomeanopportunitytolearnandgrow.Neuroscience神经学supportstheJatter.Theconnectionsiryourbraindogetstrongerandgrowwithstudyandpractice.3 Practicingfailureisamust.Failurehappens.4.J.K.RowlingwasrejectedbytwelvedifferentpublishersbeforeonepickedupHarryPotter.TheWrightBrothersbuiltonhistory'sfailedattemptsatflightbeforedesigningasuccessfulairplane.Studiesshowthatthosewhofailregularlyandkeeptryinganywayarebetterequippedtorespondtochallengesinaconstructiveway.5Sothinkofachallengeyouwanttotakeonrealizeit'snotgoingtobeeasyacceptthatyou'llmakemistakesandbekindtoyourselfwhenyoudo.You'llfeeltheexcitementknowingthatwhatevertheresultyou'llhavegainedgreaterknowledgeandunderstanding. A.Butwhatisconfidence B.Socanconfidencebeeasilycultivated C.Everyoneispossibletoencounterfailure. D.Beingatalentedpersonisquitenecessary. E.Theylearntotrydifferentstrategiesandpersevere F.Believinginyourabilitiestoimproveisthefirststep. G.Italsoturnsoutthatpeoplewithagrowthmindsetarebetteratdealingwithchallenges
GardenerssuchasPrinceCharleswhoclaimthattalkingtoplantsencouragesthemtogrowhavelongbeenseenasalittlesilly.ButscientistshavediscoveredevidencewhichsuggeststheRoyalmayactuallyberightandtheycouldbelisteningtohim.BiologistsatTelAvivUniversityinIsraelhavefoundthatflowerscanactasaplant'searstohelpthemdetectthesoundofapproachinginsects. Whentheresearchersplayedrecordingsofflyingbeestoeveningprimroseflowerswithinthreeminutesthesugarconcentrationsinthenectar花蜜ofitsflowersincreased.Thefluidproducedtoattractpollinating授粉insectswasonaverage20percenthigherinflowersexposedtothebuzzcomparedtothoseleftinsilenceorexposedtohigherpitchedsounds.ProfessorLilachHadanywholedthestudysaid:Ourresultsdocumentforthefirsttimethatplantscanrapidlyrespondtopollinatorsoundsinanecologicallyrelevantway. HoweverProfHadanysaidaplant'sabilitytorespondtopollinatorsmaybeweakenedincityenvironmentsorbesideabusyroad.Whileplantsrequirewatersunlightandtherighttemperaturetogrowitiswidelybelievedtheydonothavesensesinthewayanimalsdo. Butthestudypublishedontheopen﹣sciencewebsiteBioRxivsuggeststheeffortsofgardenerswhotalktotheirplantsmaynotbeinvain.Plants'abilitytohearhasimplicationswellbeyondpollination﹣plantscouldpotentiallyhearandrespondtoherbivoresotheranimalstheelementsandpossiblyotherplantsProfHadanyadded. Amonth﹣longexperimentconductedbytheRoyalHorticulturalSocietyin2009foundfemalevoicesappeartospeedupthegrowthoftomatoes.Theresearchoffersapossibleexplanation﹣women'svoiceswereattherightfrequencyfortheplantstohear. 1What'seveningprimroseflowers'responsetobees'buzz A.Longerbloom. B.Sweeternectar. C.Brightercolor. D.Lessfluid. 2WherecanplantsgrowbetteraccordingtoHadany A.Onasquare. B.Besideahighway. C.Inthewoods. D.Alongthestreet. 3Whatcanweinferfromtheresearch A.PrinceCharlesproveskindofstupid. B.Plantscanonlypotentiallyhearanimals. C.Plantsrespondtosoundsslowlyandecologically. D.Plantsgardenerstalktofrequentlydevelopwell. 4Whatdoesthetextmainlytalkabout A.Flowerscanhear. B.Beesarebestpollinators. C.Plantscan'tgrowwithoutsound. D.Women'svoicesimproveplants'growth.
It'softensaidthatyourparents'jobistomakesurethatonedayyounolongerneedthem.Andthat'scertainlythecasebythetimeyouhavekidsofyourown.Howeverthisispreciselythetimewhenyourparentsstarttoneedyou.Howdoyoutalktoyouragingparentsabouttheirhealth1butthesetipsmakeiteasier. Beforeaconversationyouhadbetterestablishyourselfasafriendnotanenemy.AlwaysstartwithanIstatementnotayoushouldstatement.2. Scientistsrecommendbeginningaconversationaboutsomethingyou'redoing﹣takingupyogatostayslimforinstance.3.Andyoucanevenhavehercommittodoingitwithyou.Whenyou'reafriendday﹣to﹣dayyourparentswilltrustyouandbeabletodependonyouduringahealthcrisis. 4.Startbyequippingthemwithasmartphonethat'sdesignedforseniors.Stayinginclosephonecontactwillkeepyouinformedofanyarisinghealthissues.Itwillhelpyoupickuponfaultsintheirmemorytoo. Yourparentsareyourparentsuntilthey'regone.Donottreatthemlikechildren.Evenifyoufindthatthere'sanemergencygoingonyoucanmakesuggestionsbuttheyhavetherighttomakedecisionsespeciallyifthere'snocognitive认知的disorder.5helpingyourparentsintheirlateryearsistheleastyoucando.Withthepropermeasuresandtechnologyitcangeteasierandfeelevenmorerewarding. A.Justastheyhavebeenthereforyou B.Itmaynotbeasimpleconversationtohave C.Itcanmeanchangesinyourparents'schedule D.Scientistsalsosuggestsphoningyourparentsregularly E.Thatcanleadtoaskingyourmomwhatshe'sdoingtokeepfit F.Talkaboutaffairsaboutyourselffirstthenextendthemtoyourparents G.Scientistsrecommendopeningthedoortodialogueinsteadofcallingthem
如图1是一块长为60cm的正方体薄铁片制作的一个长方体盒子如果要做一个没有盖的长方体盒子可先在薄铁片的四个角上截去四个相同的小正方形如图2然后把四边折合起来． 1求做成的盒子底面积ycm2与截去小正方形边长xcm2之间的函数关系式 2当做成的盒子的底面积为900cm2时试求该盒子的容积．
WhenyouthinkbacktotheblackboardfromyourschooldayswhatcolorisitChancesarethatit'sgreen.Sowhat'supwiththenameOriginallyblackboardswerereallyblack.Beforewall﹣sizedblackboardsexistedlate18th﹣centurystudentsusedtheirownminiboardsmadeofslate石板orpaintedwoodaccordingtoConcordiaUniversityThosefirstboardswereinfact.blackandtheypavedthewayforthelargerones. In1800whenaScottishheadmasternamedJamesPillanswantedhisstudentstodrawmapsthestudentscouldn'tdrawthemapstheirteacherwantedontheirtinyboardssoPillansputseveralslatestogethertocreatealargeboard.Problemsolved!Fromtheretheideaspreadquicklyasteacherscouldfinallyshowaconcepttothewholeclassatonetime.By1815themassivewritingspaceswerecommonenoughtoearntheirownname:blackboard. Thecolorchangecameinthe1960swhencompaniessoldsteelplatescoatedwithgreenenamel漆insteadofthetraditionaldarkslate.Thenewmaterialwaslighterandlessfragilethanthefirstblackboardssotheywerecheapertoshipandmorelikelytosurvivethejourney.Teachersweren'tcomplainingeither.Afterallthenewgreenboardsmadethechalkpowdereasiertoerase.Plustheenamelleftlessofaglareandthecolorwasnicertolookat.Atthatpointpeoplestartedusingthewordchalkboardasamoreaccuratedescriptorbutblackboardstillstuckaround. 1Whatdidthelate18th﹣centurystudentsuseinclass A.Blackboard. B.Chalkboard. C.Greenboard. D.Miniboard. 2Whydidtheheadmasteraskthestudentstoputtheirminiboardstogether A.Tomakeacomparison. B.Tomakeenoughspace. C.Todrawstudents'attention. D.Toarousestudents'interest. 3WhichofthefollowingisNOTtheadvantageofthegreenboard A.They'relighterinweight. B.They'remoreconvenienttotransport. C.Theyreeasiertoerasethepowder. D.They'remoreusefulthanthetraditionalones. 4What'sthemainideaofthetext A.Introductionoftheblackboard. B.Originoftheblackboard. C.Coloroftheblackboard. D.Functionoftheblackboard.
TodayMountQomolangma'speakisnotalonelyplaceanymore.Over3500peoplehave1successfulclimbedthemountainoverthepastyear.Meanwhileclimbershavecomplainedabout2waitforhoursinthebottlenecks. Infactthedangerous3crowdaren'ttheonlyproblem.Allthoseclimbersneed4bringalotofgear装置andmuchofthemendsupbeingleftonthemountains.becomingtheworld's5tallrubbishdump. Butthegoodnewsis6somemountaineersareovertakingittocleanupQomolangma.MountaineersPaulandEberhardarepartofEcoEverestExpeditionwhichhasbeencleaninguprubbishsince2008.Sofarthey7collectover13tonsofgarbage. Someofthatrubbishisevenbeingusedfor8higherpurpose.AspartoftheMountEverest8844ArtProject.agroupof15artistsNepalcollected1.5tonsofgarbage.They'vechangedthecansandoxygentanksinto74pieceofartthathaveareexhibited9Nepal'scapital.Partoftheprofitfromsales10beavailablefortheEverestPakeersAssociationwhichhashelpedolerubbishofthemountain.
ThereisanoldsayinginChinathatgoesThedaysoftheSanjuperiodarethecoldestdays.SanjiuperiodwhichisinMinorColdreferstothethirdnine﹣dayperiodthe19thtothe27thdayafterthedayoftheWinterSolstice.TherearemanydifferentcustomsrelatedtoMinorColdinChina. Eatinghotpot DuringMinorColdpeopleshouldeatsomehotfoodtobenefitthebodyanddefendagainstthecoldweather.Winteristhebesttimetohavehotpotandbraisedmutton炖肉withsaysauce.Butitisimportanttonoticethattoomuchspicyfoodmaycausehealthproblems. Eatinghuangyacai InTianjinthereisacustomtohavehuangyacaiakindofChinesecabbageduringMinorCold.TherearehargeamountsofvitaminsAandBinhuangyacai.Ashuangyacaiisfreshandtenderitisfitforfryingroastingandbraising. Eatingglutinousrice AccordingtotraditiontheCantoneseeatglutinousriceinthemorningduringMinorColdpeopleaddsomefriedpreservedporksausageandpeanutsandmixthemintotherice. Eatingvegetablerice InancienttimespeopleinNanjingtookMinorColdquiteseriouslybutastimewentbythecelebrationofMinoroldgraduallydisappeared.Howeverthecustomofeatingvegetablericeisstillfollowedtoday.Thericeissteamedandisunspeakablydelicious.AmongtheingredientsaijiaohuangakindofgreenvegetablesausageandsaltedduckarethespecialtiesinNanjing. 1WhatdoweknowaboutMinorCold A.Itlaststwenty﹣sevendays B.Itmarksthefirstdayofwinter. C.ItreferstotheWinterSolstice. D.TheSanjiuperiodisinMinorCold 2WhatisaspecialcustominTianjininMinorCold A.Eatinghotpot B.Buyingcabbage C.HavingHuangyacal D.HavingvitaminAandBpills. 3HowdotheCantoneseeatglutinousrice A.Theyfryandtoastit B.Theyeatitfordinner C.Theysteamitwithsoysauce D.Theymixitwithmanyotherthings
Chinesedoubleamputee截肢climberXiaBoyureceivedthemostvotes1globaltobecomethe2019LaureusSportingMomentoftheYearwinneronMonday. Xiacameoutfromaninitiallistof10nomineesbeforethreefinalistsweremade2knowtothepublicearlierthismonth. Xiahadlostbothhislegsin1975duringhisfirstattempttoreach3world'shighestpeakofQomolangmaduetofrostbite.Hechallengedthesummitin20142015and20164 wellbuthisdreams5breakowingtoavalancheearthquakeandbadweatherrespectively. Xiafinallymade6inhisfifthattemptonMay142018becomingthefirstChinesedoubleamputeeclimber7reachthesummitofQomolangma. ClimbingtothesummitofQomolangmaisalwaysadreamandgoalforme.I8fightforitoverthepastdecades.DespitebadknocksseveraltimesInevergaveup.Ithinkthedeterminationmademylifesocolorfuland9meaningXiatoldChinesemedia. Xiaaddedthathisnextgoalwillbe7+2namelythehighestsummitsofseven10continentplustheSouthPoleandNorthpole.
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Ʌ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:在错的词下画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 DearJoes Iammorethandelightedtosincereinviteyoutobeajudgeforaspeechcontest.Ihopeyoucanagreetocome.ForyourreferenceIwillsharewithyouthedetailsasfollow Firstofall.thiscontestfocusesonManandNaturethatisscheduledtostartat2p.mandendsat4p.m.nextweekinClassroom301.TenplayerswillattendthecontestgivetheirpreparedspeechesInmyopinionnotonlycanyouprovideuswithourprofessionaljudgmentbutalsoyoucanenjoysceneryaroundourschool.Youwillsurelyhaveagoodtimeinthisbeautifulspringday. I'llbeverymuchgratefulifyoucanacceptmyinvitations.Iamlookingforwardtoyouarrival. Yours Jenny
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. LastsummervacationIworkedasavolunteerintheWolongChinaGiantPandaGardeninSichuanwhereIstayfortwoweeks.ThatIneededtodowastocleanthepandas'housesfeedthepandasormakefoodforthem.OnemalepandaItookcarewasnamedJingjing.ShewasoneofthemostinterestedpandasintheGarden.NormallythepandaisashycreaturenotusedtobeincontactwithotheranimalsparticularlyhumansbutJingjingseemedverydifferently.Heoftenreachedoutoneofhisfoottogreetmeandsmiledatme.Sometimeshetriedtomakemetolaugh.
Examplesofeffectiveconservationofplacesmattertotheworld.Theyrangefromthe1960sNubiancampaigntosafeguardAncientEgyptianmonumentsfromthewatersoftheAswanDamtotheremovalin2018oftheBelizeBarrierReeffromtheListofWorldHeritageinDanger.ConservationisthecorepurposeoftheWorldHeritageConventionanditmayalsobeitsbiggestchallenge. Thefollowingexampleshowshowsuccessesatspecificsitesnowserveasmodelsforconservationandsustainable可持续性development.AyearafterViennawasincludedontheWorldHeritageListin2001theWorldHeritageCommitteeWHCexpressedconcernsaboutthearchitecturalsolutionsandheightoffourplannedtowersoftheWien﹣Mitteproject.ThisdevelopmentprojectclosetotheHistoricCentreofViennainthesite'sbufferzonetheonethatliesbetweentwoormoreotherareasaffectedtheurbanscale规模andvisualeffectsinandaroundtheproperty地产.AsaresultoftheCommittee'sconcernsViennachangeditsbuildingcodesandlaunchedanewdesigncompetitionfortheWien﹣MitteprojecttoworkoutarchitecturalplanswithreducedsizeinkeepingwithWorldHeritageprotection. Thesuccessfulpracticeinspiredthegovernmentofthecitytoinviteover600expertsandprofessionalsfrom55countriestoaninternationalconferenceonWorldHeritageandcontemporaryarchitectureheldinViennainMay2005.TheglobaldiscussionthatfolloweddetailinganapproachtomanagingconservationanddevelopmentwasrecordedintheUNESCORecommendationin2011. TheRecommendationputforwardsanall﹣roundedandcombinedapproachtobalancingurbanheritage遗产conservationandeconomicdevelopmentarguingthatactiveprotectionandmanagementofurbanheritagesupportsthegoalofsustainabledevelopment. TheRecommendationsupportstheharmoniouscombinationofcontemporaryinvolvementintothehistoricurbanframeworkwhileholdingontovalueslinkedtohistorymemoryandtheenvironment. 1WhydoestheauthormentiontheBelizeBarrierReefinParagraph1 A.Toexplainthegoaloftheorganization B.Toencouragethepublictoprotecttheworld C.Toshowthepositiveeffectofconservation. D.Toremindpeopleoftheenvironmentalproblems. 2WhywasWHCworriedabouttheWien﹣Mitteproject A.Ittookuptoomuchpubliclandofthecity. B.IthadabadeffectontheHistoricCentreofVienna C.Itsoriginaldesignswerenotenvironmentallyfriendly. D.Itsarchitecturalsolutionscouldn'tmeetsafetystandards 3Whatdidtheglobaldiscussionfocuson A.Thewaystocombineconservationanddevelopment. B.ThecreationofthenewUNESCORecommendation C.Theinternationalurbanmanagementanddevelopment. D.ThestylesofthecontemporaryarchitectureofVienna. 4Whatistheauthor'spurposeinwritingthetext A.Toexaminethechallengesfacedbyglobalurbanplanners. B.Tointroducealternativewaysofprotectingtheenvironment. C.Tostresstheimportanceofthevalueofhistoryandmemory. D.Topromoteactiveconservationandsustainabledevelopment.
AdanceteamfromAtlantaUSusedthebeautifulJiangsufolksongJasmineFlowerintheirperformanceontheTVshowAmazingChinese.Thesong1composeduringtheQingDynastyAd1616﹣1912wasoneofthefirstChinesesongstobecomepopularabroad. Thetrueoriginofthesong2hasmanyregionalvariationswasn'tdiscovered3twoscholarspublishedanarticleshowingthehistorybetweenthefolksongandYangzhouDitty小调anold﹣fashionedtypeoffolkmusic. Thepopularityofthesongmakesit4symboltopresentChinesecultureontheworldstage.Aworld﹣famousItaliancomposeraddedthesong5hisoperaTurandot6appearintheopera'sfirstpublicperformancein1926helpedimproveits7globefame. Intheclosingceremonyofthe2004AthensOlympicsaChinesegirlinstantlyimpressedaudience8herwonderfulsingingofthesong.It9chooseasmusicplayedattheawardceremonyinthe2008BeijingOlympicsbringingusbothnationalprideandgreatartistic10enjoy.
假定你是红星中学的李华你的英国朋友Peter热爱体育运动他将作为交换生到你校学习一年.请你给他写封邮件主要内容包括: 1.介绍你校体育课程及活动; 2.推荐一项中国传统体育项目. 注意:1.词数100左右; 2.可以适当增加细节以使行文连贯.
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