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在平面直角坐标系中给定以下五个点A（﹣2，0）、B（1，0）、C（4，0）、D（﹣2，）、E（0，﹣6），从这五个点中选取三点，使经过三点的抛物线满足以y轴的平行线为对称轴．我们约定经过A、B、E三...
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如图在平面直角坐标系中有若干个横坐标分别为整数的点其顺序按图中→方向排列如102021111222根
在平面直角坐标系中点A.﹣10与点B.02的距离是.
如图在平面直角坐标系中有若干个横坐标分别为整数的点其顺序按图中→方向排列如102021111222根
在平面直角坐标系中将线段AB平移到A.′B.′若点A.B.A.′的坐标-200321则点B.′的坐标
在平面直角坐标系中将线段AB平移到A.′B.′若点A.B.A.′的坐标为﹣200321则点B.′的坐
如图在平面直角坐标系中有若干个横坐标分别为整数的点其顺序按图中→方向排列如102021111222根
在平面直角坐标系中经过三点001120的圆的方程为__________.
平面直角坐标系中点A20关于y轴对称的点A′的坐标为______.
如图在平面直角坐标系中有若干个整数点其顺序按图中→方向排列如10202131303－1根据这个规律探
如图在平面直角坐标系中有若干个横坐标分别为整数的点其顺序按图中→方向排列如102021111222根
在平面直角坐标系中点A.20B.04作△BOC使△BOC与△ABO全等则点C.坐标为____.
平面直角坐标系中点A.20关于y轴对称的点A.′的坐标为.
在平面直角坐标系中将线段AB平移到A′B′若点ABA′的坐标为﹣200321则点B′的坐标是
如图在平面直角坐标系中有若干个横纵坐标分别为整数的点其顺序按图中→方向排列如102021111222
如图在平面直角坐标系中有若干个横纵坐标分别为整数的点其顺序按图中→方向排列如102021111222
在如图所示的平面直角坐标系中点P是直线y=x上的动点A10B20是x轴上的两点则PA+PB的最小值为
如图在平面直角坐标系中有若干个整数点其顺序按图中→方向排列如10202131303－1根据这个规律探
平面直角坐标系中点A20关于y轴对称的点A′的坐标为﹣20.
在平面直角坐标系中一青蛙从点A.﹣10处向右跳2个单位长度再向上跳2个单位长度到点A.′处则点A.′
在平面直角坐标系中一青蛙从点A.－10处向右跳2个单位长度再向上跳2个单位长度到点A.′处则点A.′
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假定你是李华校学生会论感你校拟向一所在美国的姐妹学校图书馆捐赠一批中国经典文学图书以供该校学生阅读.请你给该校负责人写一封邮件内容如下: 1.自我介绍: 2.介绍这批书籍 注意: 1.词数100左右: 2.可适当增加细节以使行文连贯; 3.信的开头和结尾已给出不计入总词数. DearSir/Madam Yoursfaithfully LiHua
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
下列说法中正确的是
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如图四圆中甲乙丙丁分别表示一种溶液两圆的相交部分为两溶液混合后出现的主要实验现象下表中符合图示关系的是
如图为AB两种固体物质的溶解度曲线．下列有关说法正确的是
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
假如你是李华上周日你们学校在操场举办了第四届成人礼coming﹣of﹣ageceremony请你写一封信告诉你英国的笔友David你们学校的成人礼活动.写作内容包括以下几点: 1.活动举办的时间地点 2.活动的内容及感想. 要求:可适当增加细节字数100字左右.
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．
下列鉴别物质的方法不正确的是
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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