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设椭圆+=1(a>)的右焦点为F,右顶点为A,已知|OA|-|OF|=1,其中O为原点,e为椭圆的离心率. (1)求椭圆的方程及离心率e的值; (2)设过点A的直线l⊥椭圆交于点B(B不在x轴上...
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高三下学期数学《》真题及答案
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已知椭圆+=1a>b>0点A.B1B2F.依次为其左顶点下顶点上顶点和右焦点若直线AB2与直线B1F
设椭圆中心在坐标原点焦点在x轴上一个顶点坐标为20离心率为.1求这个椭圆的方程2若这个椭圆左焦点为F
设椭圆的左右焦点分别为F1F2右顶点为A上定点为B已知 求椭圆的离心率
5.00分已知命题在平面直角坐标系xOy中椭圆△ABC的顶点B在椭圆上顶点AC分别为椭圆的左右焦点
设椭圆的右焦点为F右顶点为A已知其中O为原点e为椭圆的离心率 I求椭圆的方程 II设过点A的直线l
已知椭圆为其右焦点过F.垂直于x轴的直线与椭圆相交所得的弦长为2I.求椭圆C.的方程II设直线与椭圆
已知椭圆=1a>b>0的离心率为过焦点垂直长轴的弦长为3.1求椭圆的标准方程2过椭圆的右顶点作直线交
已知椭圆x2a2+y2b2=1a>b>0的右焦点为F右准线为l离心率e=55.过顶点A0b作AM⊥
已知椭圆C.的右焦点为圆双曲线以椭圆C.的焦点为顶点顶点为焦点若双曲线的两条渐近线都与圆相切则椭圆C
已知椭圆+=1a>0b>0的左焦点为F.右顶点为A.上顶点为B.若BF⊥BA则称其为优美椭圆那么优美
如图已知F1为椭圆的左焦点A.B.分别为椭圆的右顶点和上顶点P.为椭圆上的点.若PF1⊥F1APO∥
如右图所示A.B.是椭圆的两个顶点C.是线段AB的中点F.为椭圆的右焦点射线OC交椭圆于点M.且∣O
已知椭圆C1的方程为双曲线C2的左右焦点分别为C1的左右顶点而C2的左右顶点分别是C1的左右焦点1求
如图5已知椭圆的上顶点为A.左右顶点为B.C.右焦点为F.|AF|=3且的周长为14.I求椭圆的离心
已知椭圆C.=1的离心率为直线y=x+1被以椭圆的短轴为直径的圆截得弦长为抛物线D.以原点为顶点椭圆
设椭圆+=1a>b>0的左右焦点分别为F.1F.2右顶点为A.上顶点为B.已知|AB|=|F.1F.
已知椭圆x2a2+y2b2=1a>b>0的右焦点为F右准线为l离心率e=55过顶点A0b作AM⊥l垂
设椭圆的左右焦点分别为F1F2右顶点为A上定点为B已知 设P为椭圆上异于其顶点的一点以线段
已知椭圆的左顶点为M.上顶点为N.右焦点为F.若则椭圆的离心率为.
设椭圆的右焦点为F右顶点为A已知其中O为原点e为椭圆的离心率 Ⅰ求椭圆的方程 Ⅱ设过点A的直线l与
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In2015amannamedNigelRichardsmemorized386000wordsintheentireFrenchScrabbleDictionaryinjustnineweeks.HoweverhedoesnotspeakFrench.Richards'impressivefeatisausefulexampletoshowhowartificialintelligenceworks-realAI.BothofRichardandAItakeinmassiveamountsofdatatoachievegoalswithunlimitedmemoryandsupermanaccuracyinacertainfield. ThepotentialapplicationsforAIareextremelyexciting.BecauseAIcanoutperformhumansatroutinetasks-providedthetaskisinonefieldwithalotofdata-itistechnicallycapableofreplacinghundredsofmillionsofwhiteandbluecollarjobsinthenext15yearsorso. ButnoteveryjobwillbereplacedbyAI.Infactfourtypesofjobsarenotatriskatall.Firsttherearecreativejobs.AIneedstobegivenagoaltooptimize使完善.Itcannotinventlikescientistsnovelistsandartistscan.Secondthecomplexstrategicjobs-executivesdiplomatseconomists-gowellbeyondtheAIlimitationofsingle-fieldandBigData.Thentherearetheas-yet-unknownjobsthatwillbecreatedbyAI. Areyouworriedthatthesethreetypesofjobswon'temployasmanypeopleasAIwillreplace?Nottoworryasthefourthtypeismuchlargerjobswhereemotionsareneededsuchasteachersnanniesanddoctors.Thesejobsrequirecompassiontrustandsympathy-whichAIdoesnothave.AndevenifAItriedtofakeitnobodywouldwantarobottellingthemtheyhavecancerorarobottobabysittheirchildren. SotherewillstillbejobsintheageofAI.Thekeythenmustberetrainingtheworkforcesopeoplecandothem.Thismustbetheresponsibilitynotjustofthegovernmentwhichcanprovidefundsbutalsoofcorporationsandthosewhobenefitmost. 1Whatisthemainpurposeofparagraph1? A.Tointroducethetopic. B.TomentionNigel'sfeat. C.Tostresstheimportanceofgoodmemory. D.TosuggesthumansgobeyondAIinmemory. 1Whichofthefollowingbestexplainsoutperformunderlinedinparagraph2? A.Besuperiorto B.Beequalto C.Besimilarto D.Berelatedto 3Whichofthefollowingjobsisthemostlikelytobereplaced? A.Thewriter. B.Theshopassistant. C.Thebabysitter. D.Thepsychologist. 4WhatdoesthetextsuggestpeopledoaboutjobreplacementofAI? A.LimittheapplicationofAItoacertaindegree. B.Getmoresupportfromthegovernment. C.Applyforthedonationfromcompanies. D.Upgradethemselvesallthetime.
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. LasttermIhostedanexchangestudentcallingJacobfromtheGreatBritaintoourschoo1.HereallycaresforChineseculture.Jacobaskedmetoshowhimselfaroundthecityonweekends.ItookhimtomanylocalplaceofinterestandwealsogotothetheatertowatchashowofPekingOpera.Hewassoattractedbytheperformanceashedecidedtolearnit.MyfatherhappenedtoknowamasterofPekingOperaandintroducedJacobtohim.Jacobwasgreathonoredtobeoneofhisstudents.PuthisheartintoitJacobmadearapidprogress.WhenhereturnedEnglandhegaveaperformanceforwhathewonmuchadmirationfromhisclassmates.
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Itwasthefirstdayformeatclassagain.Yes!We'vegotasubstitute代替teachertoday!Thesmileonthestudent'sfacetoldmeallIneededtoknow.Iwasinfaceofan1.AfteryearsofamotivationalspeakerIhadretired退休and2substituteteaching. 3asateacherhowevermademerealizejusthowmuchofmyhighschoolstudiesI'd4.Pullingmathsfromthememoryofmybrainwasachallenge.Andin5classwhatdidIknowaboutlifeinoldBritain?ThekidsthoughtIwas6butnotthatold! 7SpanishclassCollysawalargecardboardrefrigeratorboxandgotalightinhiseye.Hegotthe8ofafriendacrosstheroomtodistractmeandthenjumpedinsidethecontainer.I9himsoIstoodnexttotheboxand10pressedmyhandonthetopforcingtheboy11belowtobenddowninasmallposition.IturnedtotheclassandannouncedTodaywehaveaccesstoanewclassroomteaching12thelatestXbox360.Thesoftwareinsideis13togivecorrectchangeofSpanishverbs.14timeIknockthesideoftheboxitwillgivethedifferent15oftheverbslistedonthewhiteboard.Ofcourseifthebox'sanswershouldbe16thenyouwouldwritethecorrectformsotheboxremembersthenexttime. Collythoughthispositionwas17butchangingverbsinfrontofthewholeclassmadehimevenmorepainful.Outofsightthisclassclown小丑was18todistracthisclassmatesandbythetimeIlethimgofromhiscardboardcoveringhehad19alltheerbforms. Whosaysasubstituteteachercan't10outsidethebox? 1A.prize B.honor C.challenge D.fight 2A.turmedto B.gaveup C.talkedabout D.caredabout 3A.Acting B.Returning C.Thinking D.Admitting 4A.missed B.recalled C.studied D.forgotten 5A.history B.math C.geograph D.literature 6A.strict B.old C.smart D.kind 7A.Giving B.Remembering C.Entering D.Including 8Adecision B.protection C.permission D.help 9A.noticed B.hated C.feared D.joked 10A.gradually B.lightly C.carefully D.curiously 11A.hiding B.standing C.playing D.lying 12A.assistant B.method C.tool D.experiment 13A.downloaded B.equipped C.fixed D.programmed 14A.Any B.Each C.Some D.Last 15A.use B.style C.form D.connection 16A.direct B.long C.difficult D.incorrect 17A.uncomfortable B.defensive C.dangerous D.perfect 18A.lucky B.glad C.unable D.possible 19A.observed B.reviewed C.discussed D.judged 20A.talk B.argue C.learn D.teach
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HowtoOrganizeaMusicFestival Youlovemusicandyoualwayshave.Youwanttocarryoutamusicfestivaldesignedtoattractmusicfansofallages.Followthestepsandyou'llorganizeasuccessfulone. ▲Startbymakingalistofthelocalbandsandartiststhatyoulike.You'vetakenthisjobbecauseyoulovemusicsoputyourtastetoworkforyou.Ifyoulikethesemusiciansmanyofthelocalresidentswillalsolikethem.1.Youneedtohavemanykindsofmusicforallagegroups. ▲Findagreatlocationthathasmuchopenspaceforoutdoorfestivals.Youneedtobuildastagesothemusicianscanbeseenfromdistances.2.Notalltownsneedsuchlicensebutitisagoodideatocheckbeforeyoustartbuilding.Foranindoorlocationyouneedtofindatheaterthatiswillingtogiveyouenoughspace.3. ▲Hiresoundandengineeringpeopletogivethemusiciansallthehelptheyneed.4.Youcan'texpectthemusicianstohandletheseproblemsbecausetheyareplaying.Yoursoundandengineeringexpertswillallowyourstarstokeepthemusicplaying. ▲5.Ifyouareplanningyourfestivalforfamiliesthelastthingyouwantisabeer-swillingcrowdstartingahugebrawl斗殴.Securitypeopleneedtobepresenttomakesurethatnobodygetstheideathattheywanttostartanykindofruckus骚乱. A.Youneedtofindsecuritypeople. B.Biggersportsstadiumswillbeperfectaswell. C.Wecanfindenoughsongstogetalotofmoney. D.Peopleshouldhavepracticedmanydifferentsongs. E.Butrememberyouaretryingtoattractfansofallages. F.Thelastthingyouwantisthatagroupisonthestagebutthespeakersdon'twork. G.Youcanfindalocationbygoingtothelocalgovernmentandaskingforpermission.
AbeautifulSeptembereveningmy11﹣year﹣oldgrandsonJoshandhisteamwerewarmingupfortheirfirstfootballgameoftheseason. Atsixthe1calledthecaptainsforwardsaidsomethingand2hiswhistle.Thetwoteams3separately.Iwas4.Theotherteamwas5teninchestallerthanourplayers.Itdidn'ttakelongfortheir6advantagetoshow.Theytooka7﹣0leadvery7.Atthehalfthescorestoodat34to6.Josh8minimalplaytime.InthesecondhalftheyusedJoshmoreoften.Thescoreclimbedto40to6. Onceagaintheotherteambegantheir9downthefield.Theirquarterbackthrewtheball.Thereceivercaughtitand10thegoal.Therewasonlyonemaninhis11﹣Josh.Joshdoveand12thatboy'slegswithallhisstrength.ThereceiverdraggedJoshacoupleofyardsand13felldown. OnthenextplaytheirquarterbackshotthroughanopeningandrushedtothegoalbuttherewasJoshagain.Joshtookhimoffhisfeetand14anothergoal.Theyscoredonthelastplay.butitwasn'tJosh's15.Thegameendedwithascoreof48to6. Onthewayhome.Iwantedto16Joshbutheturnedtomewitha17smile.Grandpathatwasa18game. Butyoulost48to6! IknowbutIdidgood. Theboyunderstoodthe19betterthanIdid.Theydidn'twinbuthedidhisbest.Iwasproudofhim.More20hewasproudofhimself. 1A.player B.referee C.coach D.receiver 2A.waved B.raised C.threw D.blew 3A.gathered B.practiced C.celebrated D.wandered 4A.inspired B.embarrassed C.shocked D.delighted 5A.intotal B.onaverage C.atlength D.forexample 6A.speed B.strength C.age D.size 7A.often B.soon C.regularly D.rarely 8A.saw B.lost C.expected D.wasted 9A.break B.search C.charge D.debate 10A.1etin B.foughtfor C.wentin D.headedfor 11A.way B.position C.sight D.mind 12A.maderoomfor B.1ookedupat C.tookholdof D.keptawayfrom 13A.accidentally B.finally C.deliberately D.gradually 14A.saved B.gained C.tried D.kicked 15A.turn B.honor C.fault D.option 16A.trick B.scold C.praise D.comfort 17A.sad B.wide C.bitter D.polite 18A.great B.close C.silly D.vital 19A.team B.play C.game D.field 20A.seriously B.fortunately C.specifically D.importantly
ThePeonyCultureFestivalofLuoyang Springistimeforpeopletogooutandseeblossomingflowers.LuoyanginHenanChinaisfamousforpeoniesthecity'sofficialflower.Thecity'sannualPeonyCultureFestivalbeginsinearlyAprilandlaststillearlyMay.Peoniesareinfullbloomduringtheeventwhichwasfirstheldin1983. YoucangototheLuoyangNationalPeonyGarden.Thepeoniesthereareknownfortheirrichcolorsandlongflorescence.Don'tmissthe1600-year-oldPeonyKing! ChineseLanguageDay ChineseisoneofthesixofficialworkinglanguagesoftheUnitedNations.TheLINhassetdifferentdaysfortheselanguagestopromotetheiruses.Itholdsexhibitionsshowsandotheractivities.In2010thefirstChineseLanguageDaywasheldonNov.12.Butsince2011ithasbeenheldonApril20.ThedateisclosetoGrainRainoneofthe24solarterms.Itmeansrainofmillet.PeoplecelebrateGrainRaintorememberCangjieamythicalcharacter.ManypeoplebelievethatCangjiewasthefirstpersontowriteChinesecharacters.Whenhedidthisitrainedmilletandsavedpeoplefromhunger. ChinaAstronauticsDay OnApril241970China'sfirstman-madeEarthsatellite-DongfanghongI-wentintospace.ItwasabigstepforChina'sspaceprogram.In2016thegovernmentsetApril24asChinaAstronauticsDay.Manyeventsareheldacrossthecountrytocelebratethisspecialday.Forexampleastronautsandscientistswillgivetalkstostudents.Somecitieswillholdexhibitionsaboutspacedevelopment. LastyearChinahadbigplansforitsspaceprogram.OnDecember8itlauncheditssecondlunarrover月球车aspartoftheChang'e4spacemissionwhichlandedonthefarsideofthemoon. 1WhenwasthefirstChineseLanguageDayheldbytheUnitedNations? A.In1970. B.In1983. C.In2010. D.In2011. 2WhatdoestheintroductiontoChinaAstronauticsDayshow? A.Chinasentthefirstman-madeearthsatellite. B.Chinahasprogressedgreatlyinastronautics. C.Chang'e4consistsoftwolunarrovers. D.Chang'e4isanotherspacestationbuiltbyChina. 3Whatdothefestivalshaveincommon? A.TheyalltakeplaceinAprilatpresent. B.Theyarecelebratednationwide. C.AlltheparticipantsareChinesepeople. D.Theirdateswereoncechangedforsomereason.
EveryyearfromMarchtoOctoberChristianMoullecalsoknownasBirdmantakestotheskiesaboardhisadaptedlightaircraft.Howeverthe58-year-oldFrenchman'sdaily30-minuteflightisnotjusttoenjoytheimpressiveviewsbuttoguideflocks鸟群oflesserwhite-frontedgeese小白额雁throughsafemigrationpathswhichthebirdscanteachfuturegenerations. Hisdeedbeganin1995whenhenoticedtheirdecliningpopulationinthewildsofLaplandSweden.TopreventtheirnumbersfromdroppingfurtherMoullectriedtogetthethreatenedspeciestofollowhimalongmigrationroutesthatwouldprotectthemfrombirdhunters. Howevergettinggrowngeesetofollowhisleadprovedchallenging.AsyounggeeseimitateandfollowwhomevertheyviewastheirparentMoullecdecidedtoraisethegeesefrombirth. TohelpraisefundsandawarenessofhisjobtoprotectnotjustthegeesebutbirdsworldwideMoullecoftenallowspayingtouriststojoinhimonthe30-minute-longflightsaboardhisaircraft.Inadditiontothetrainedbirdsflyingalongsidethemvisitorswhocomefromasfarasa15-hourplaneflightawayaretreatedtoavarietyofcraneandgeesespeciesaswellasbreathtakingviewsofcastlesandcities. Heoftenbringshiscameraalongfortheflightscapturingphotosnotjustfortheirbeautybutforwhattheydescribe.MoullecbelievestheuseofagriculturalchemicalshasdoneharmtowildEuropeanbirdswithmorethanathirddisappearinginthelast30years.Itsadisasterhesaid.Mybeautifulimageswithflyingbirdsshouldbeusedtotellthisstory. 1WhydoesBirdmanalwaysflytotheskyonhisaircraft? A.Toobservegeesealongtheirmigrationroutes. B.Tofollowgeesethroughsafemigrationpaths. C.Totakevisitorstooperatehisadaptedaircraft. D.Toguidegeeseflysafelyduringthemigration. 2WhatdoweknowaboutBirdman? A.Heisanaturelover. B.Heisabirdwatcher. C.Heisavolunteerpilot. D.Heisabirdhunter. 3WhatdoesMoullecoftentakephotosinhisflightsfor? A.Recordingtheuseofagriculturalchemicals. B.Showingseriousdamagecausedbychemicals. C.Describinghisexperienceswithflyingbirds. D.Capturingthebeautifulviewsofbirdsandcities. 4Whatcanbeasuitabletitleforthetext? A.BirdmanGuidesFlockstoLearntoFly. B.BirdmanFindsBirdsDisappearing. C.BirdmanHelpsFlocksSafelyMigrate. D.BirdmanProtectsBirdsFromHunters.
Mostdogownersareconvincedthattheirfour﹣leggedfriendsknowexactlywhattheymeanwhentheyusecertainwordslikesitstayortreat.Howeverresearchershavealwayswonderedwhetherdogsreallyunderstandhumanspeechoriftheyrelyonotherinformationtogetthemeaning.Forexampledoesthewordfetchformapictureofastickorballinthedog'smindordoesthedogbringbacktheobjectbasedontheowner'svoiceorgesture?AnewstudybyscientistsatAtlanta'sEmoryUniversityseemstoindicatethatman'sbestfrienddoesindeedknowwhattheownerissaying. Theresearchersbeganbyaskingtheownersoftwelvedogsofvariouskindstotraintheirpetstoidentifytwotoysofdifferentmaterialssuchasatoyanimalandaball.Oncethedogshadmasteredthetasktheytookturnsinsideaspecialscanner.Theownersthentestedtheirdog'slanguageskillbyfirstcallingoutthenamesofthetoystheyhadbeentrainedtorecognizeandthensayingmeaninglesswordssuchasbobbuandbodmickwhileholdinguprandomobjectsthedogshadn'tseenbefore. Thescanssuggestedthatthepartsofthedogs'brainsresponsibleforprocessingofsoundsshoweddifferentbrainpatternswhentheyheardwordstheywerefamiliarwithcomparedwiththeonestheyhadneverheardbefore.Whilethatwasnotenoughtoprovethatthedogswerepicturingtheirtoyswhentheyheardtheworditdidindicatesomesortofrecognition.Theresearchersbelievethisisanimportantstepforwardinunderstandinghowdogsprocesslanguage. Evenmoreinterestingwasthatthedog'sbrainsshowedahigherlevelofneural神经activityatthesoundofunknownwords.Thisistheexactoppositeofwhathappensinhumanbrainswhichgetmoreactiveatthesoundoffamiliarwords.Theresearcherssaythedogsmaybecomecheerfulatthesoundofnewwordstotrytounderstandtheminthehopeofdelightingtheirmasters.DogswanttopleasetheirownersandperhapsalsoreceivepraiseorfoodsaysEmptyneuroscientistGregoryBurnsseniorauthorofthestudy. Howeverthoughyourpetmayunderstandhumanspeechthescientistsrecommendusingvisualsignalsandsmellfortraining.Whenpeoplewanttoteachtheirdogatricktheyoftenusespokencommandbecausethat'swhathumanspreferPrichardsays.Fromthedog'sviewhoweveravisualcommandmightbemoreeffectivehelpingthedoglearnthetrickfaster. 1What'sthepurposeofthenewstudy? A.Toconvincedogownerstounderstandtheirdogs. B.Toadvisedogownerstotreattheirdogskindly. C.Toprovedogsfollowowners'orderbylistening. D.Totestouthowdogsgetinformationfromowners. 2Whatdoestheauthorintendtodoinparagraph2? A.Informtheresultoftheresearch. B.Statetheprocessoftheresearch. C.Stresstheimportanceoftheresearch. D.Introducethesubjectsoftheresearch. 3Howdohumanbrainsanddogbrainsreacttowords? A.Humanbrainsbecomeactiveatunfamiliarwords. B.Dogbrainsbecomedelightedatunfamiliarwords. C.Humanbrainsarenotsensitivetofamiliarwords. D.Dogbrainsshownoresponsetofamiliarwords. 4Whatdoscientistsadvisetheownerstodoindogtraining? A.Givedogsoralcommand. B.Teachdognewtricks. C.Involvesightandsmell. D.Encouragefasterlearning.
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. AsfarasweallknowEnglishclassesaresometimesboringanduninterestingpartbecauseteachersseldomusesomefacialexpressionsorbodylanguage.Sowestudentsmayfinditsdifficulttolistentotheteacherattentivelyinclass.What'smoresomeofusevengettiredofEnglish.LuckilyenoughsometeachersusuallymakeouttheirclasseslivelyandinterestingforbodylanguageismadegooduseoftheirEnglishteaching.InthiswayevenslowlearnersshowgreatinterestinEnglish.Inthewordteachers'rightbodylanguagehelpstoattractstudents'attentionandmakestudentsunderstandthelessongoodthusimprovingstudents'marksorteachingeffect.IpreferourEnglishclassestobeteachingalongwithbodylanguage.
Mymomwasanurseandoftentookmealongtovisitthe1familyshewascaringforincludingonewhohadaseriesofstrokes中风andwasbedridden.OneafternoonMomtoldmethatweneededtovisitthewoman2givehermedicationsandthatwewouldstopatastore3theway.Ithoughtwewouldstopatadrugstorebutwepulleduptoashoppingmall. Mymom4headtotheperfume香水counterandboughtthemostexpensivebottletheyoffered.Shealsoboughtabeautifulnightdress.WhenIaskedherwhotheywereforshesaidtheywereforherpatient.She5farexplainedalthoughthiswomanwasoldandbedriddenshewasstillaladyand6olddeservedtobetreatedwithrespectandgrace.When7careforsomeoneweshouldlookpastthedisabilityortheillnessandlookintothesoulofthehumansowecanconnectthemwithsympathy.Isoonrealizedthatmymom'sgreatest8strongwastakingcareofthosewhocannotadvocatefor9theyandneedtrustworthycareproviders.That's10Iwantedtobecomeadoctor.
AttheageofsevenwhilehisfriendswerespendingtheirallowancesonthingslikecandyandtoysJoseAdolfoQuisocolawasbusysavingmoneyforbasicpurchases.Totrytogethispeers同龄人todothesametheboyfromPerucameupwiththeideaofaneco﹣banktheBartselanaStudentBankwhichallowskidsofallagestobecomefinanciallyindependentwhilealsohelpingtheenvironment. Setupin2012thebankistheworld'sfirstbankforkids.Tobecomeamemberakidhastobringinatleast5kilogramsofsolidwasteandsetasavingsgoal.Onceacceptedallbankpartnersarerequiredtodepositatleastoneadditionalkilogramofrecyclablesonamonthlybasisandobserveotherrequirementssuchasattendingfinancialeducationandenvironmentalmanagementworkshops. ThewasteaccumulatedissoldtolocalrecyclingcompanieswhothankstoJose'seffortspayahigher﹣than﹣marketrateforeverythingbroughtinbythebankmembers.Themoneyreceivedisplacedinthepersonalaccountwheretheycollectuntilthesavingsgoalisreached.Theaccountholdercanthenwithdrawthemoneyorchoosetoleaveitandcontinuetogrowforabiggertarget.AtthebeginningmyteachersthoughtIwascrazyorthatachildcouldnotundertakethistypeofprojectJoserecalls.Theydidnotunderstandthatwearenotthefutureofthecountrybutitspresent.LuckilyIhadthesupportoftheschoolheadmasterandanassistantinmyclass. Theboy'seffortspaidoffandby2013thebankhadover200memberswhobroughtinonetonofrecyclablewaste.Todaytheeco﹣bankwhichnowhasthesupportofseverallocalinstitutionsboaststeneducationalcenters.Theyaredesignedtoteachtheover3000studentsaged10to18tobecomefinanciallyindependentusetheirmoneywiselyandhelptheenvironment. NotsurprisinglyJose'seffortshaveearnedhimseveralnationalandinternationalawards.OnNovember202018JosewonChildren'sClimatePrizewhichcomeswithamedaland$5500inprizemoneyandisgiventoachildoryouthwhohasaccomplishedanextraordinaryachievementfortheclimateorenvironment. 1WhydidJosesetupthebank? A.Toraisemoneyandsetuparecyclingcompany. B.Tobuynecessitiesanddonatethemtoneedykids. C.Tosavemuchmoneyandprotecttheenvironment. D.Toeducatethestudentsandhelpthemwinprizes. 2Howcanakidbeadmittedtotheeco﹣bank? A.Bydonatingtotheeco﹣bank. B.Byturninginonekilogramofwasteinamonth. C.Bysendinginanapplication. D.Bypresentingagoalandacertainamountofwaste. 3HowdidtheteachersfeelaboutJose'sprogram? A.Doubtful. B.Excited. C.Moved. D.Worried. 4Whatisparagraph4mainlyabout? A.Howtheenvironmentisimproved. B.Whattheprojecthasachieved. C.Howtonsofwastehasbeenrecycled. D.Whatsupportthelocalinstitutionsget.
假定你是李华最近你的美国笔友Jack发来邮件说这个暑假他想来中国旅游.请用英语给他回一封邮件主要内容如下 1.表示欢迎 2.介绍长城岳阳楼或者杭州西湖任选一个景点. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯. DearJack Yours LiHua
TherewasneveranytimeforKatetofeellonelyshewasanonlychild. A.eversince B.nowthat C.eventhough D.asthough
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. ChinaandWesterncountrymayhavedifferentculturalbeliefsaboutcertainanimals.Butwhenitcomestopigswesomehowreachanagreementthatpigsarelazyuglystupidlyandshameless.Neitherofthesewordsdescribingpigsareexactlypositive.Moreoverthetruthiswhatpigshavesomegoodqualities.Andthere'sprobablynogoodtimetocleartheirnamesthannowwiththearrivaloftheYearofthePigonChineseSpringFestivalwhichfellFebruary5thisyear.Accordingtoapaperpublishingin2017pigscantellbetweenthosewhotreatthemwellorthosewhodon't.Perhapsthesearethequalitiesofpigstokeepitinmind-theirintelligencecutenessandpatience.
AllworkandnoplaymakesJackadullboy.Butnowscientistshavegivenusanotherwarningtoomuchplaywithsmartphonesorcomputersmakesyoudulltoo. Manyfocusonthebenefitsofdigitaldevices设备ineducationbutignorethecostssaidPatriciaGreenfieldfromtheUniversityofCaliforniaLosingtheabilitytounderstandtheemotionsofotherpeopleisoneofthecosts. Greenfieldandherresearchteamdidanexperiment.Theyworkedwith105childrenwhospendabout4.5hoursinfrontofscreensonaschoolday.Thestudentswereaskedtodescribetheemotionstowardsthepicturesandvideosofpeoplewhowerehappysadangryorscared.Thenhalfofthemattendedafive-daynatureandsciencecamp.TheretheyhadnosmartphonesTVorcomputers.Theotherhalfstayedinschoolandspentthefivedaysasusual. Fivedayslaterallthechildrentookthetestagain. Studentswhohadbeentothecampgotabout5percentmoreanswerscorrectthantheyhaddonebeforethecamp.Buttheothergroupofstudentsdidn'tshowmuchimprovement.Thestudyisnotperfectinsomesensesaidtheresearchers.Butscientistssaythatthestudyisstillawarningforus. Emotionalskillsdevelopinpracticeandthebraindevelopsthroughrealinteraction.saidProfessorTayloraprofessorattheUniversityofSanFrancisco.Researcherstalkedto2000parentsofchildrenaged2-16intheuKaboutwhatactivitiestheirchildrencoulddoconfident. TheresultsweresurprisingTheirchildrencoulduseatablet平板电脑59%andworkamobilephone57%moreconfidentlythantheycouldtietheirshoelaces鞋带53%! SospendmoretimeawayfrommobilephonesandcomputersifyouwanttobeanunderstandingfriendandnotamemberofwhattheDailyMailcalledGenerationHelpless. 1WhatdoesusingdigitalmediaineducationleadtoaccordingtoProfessorGreenfield? A.Gettingonbadlywiththeirfamilymembers. B.Failingtorelatetootherpeople'semotions. C.Makingmoremistakeswhentakingexams. D.Fallingfarbehindothersinallschoolwork. 2Whataretheresultsofgreenfield'sexperimentinscientists'opinion? A.Farfromperfect. B.Quitesurprising. C.Needingtobeimproved. D.Alarmingforpeople. 3Whatisthepurposeoftheauthor'swritingthetext? A.Studentsshoulddescribeemotionsintheexperiment. B.Studentsshoulddomuchbetterwiththedevices. C.Studentsshouidbefarawayfromthosedigitaldevices. D.Teachersshouldteachstudentstotietheirshoelaces. 4Whatisthebesttitleforthetext? A.Screensharmemotions. B.Herecomesadigitalworld! C.StayawayfromtheInternet. D.Howpeoplebecomeaddicted?
RecentlyIcameacrossashortstorysentinbyareaderDianaMcculloch.InterestedIgaveheracalltoaskforthewholething.Shedescribedastoryaboutheryoungestson.Shewaswatchingtelevisiononenightwithherhusband.Around11o'clockshesuddenlydoubledoverinstomachpain.Itwasstrangebecauseshedidnteatanythingoutoftheordinary.ThenextmormingDianacalledtocheckonhersonwhowasinrecoveryfromtheillness.Thatwaswhenshediscoveredherelapsedthenightbefore.Hehadhisstomachpumpedjustaround11p.m. IgotoffthephonewithDianashocked.Suresharinginthesufferingofothersisafeatureofmanypeople.Butisitreallypossibletoexperienceanother'spainasifit'syourown? Theanswerisyesandthat'ssomethingDr.LarryDosseysaysinhisbookOneMind.Dr.Dosseyarguesthere'sahigherconsciousnessorOneMind.Hereferstothisexperienceastelesomaticexperienceassumingit'sanecessarypartofthehumanexperienceoftendrivenbydeepemotionalbonds.Itshowsthatwe'reconnectedinawaythatgoesbeyondphysicalbarriersevendistanceandtime.ThecommonpathinallOneMindmomentsistheexperienceofahyperreal超现实的levelofawarenessandconnectionwithagreaterwholebothofwhicharedippedinanexperienceofdeeplove.Dr.Dosseywrites. IthoughtbacktoDiana'sexperiencewithherson.Perhapsitwasn'tamomentofmereintuition直觉orsharingfeelingsbutareflectionofagreaterloverunningthroughhumanityaglimpseathowconnectedwealltrulyare. 1WhathappenedtoDianaMcCullochthatnight? A.Sheatesomethingbadcasually. B.Shepumpedherstomachcarefully. C.Shesufferedapaininstomach. D.Shegaveacalltocheckonherson. 2Whatdoestheunderlinedwordrelapsedprobablymean? A.getsad. B.gettired. C.getlonely. D.gotworse. 3WhichofthefollowingwillDr.Larryprobablyagreewith? A.Dianasexperiencehasastrongconnectionwithlove. B.Distanceandtimewillsurelypreventsuchexperience. C.ThehighestconsciousnessistheexperiencelikeDiana's. D.Emotionalbondshavenothingtodowithsuchexperience. 4Whatcanweinferfromthetext? A.Dianacaredlittleabouthersons. B.Diana'sexperiencewasnotpainful. C.Suchexperiencereflectsgreatloveinhumanity. D.Apersondefinitelycanexperienceotherspain.
RecentlyImetaguynamedLeonardGilbertonatrip.Leonardisthekindofpeopleyoucouldpassonthestreetandnever1butheisinmyviewaveryspecialpersonwho2recognition. Leolivesina3ruralareasowhenhiswifehadcancerseveralyearsagoLeowasfacedwithafour-and-a-half-hourdrivetowhereshecouldbetreated.That4lotsofexpenseformealsfuelhotelsandsoon.Butintheendthecancertookhiswife5. EvidentlyLeowasvery6byhiswife'spassingbuthewasalsoveryangryforherealizedotherpeoplewerefacingthesamesortsof7.Ratherthangivingmoneytocharitieswhathedidwasstarttothrow8. EveryotherSaturdayeveningthereisapartyinLeo'sgarage.Neighboursfriendsandrelativescomeandbringsnacksanddrinksmanybring9thereismusicanddancingandatsomepointduringtheeveningLeo10afamilyhehasfoundwhoarehavingdifficulties11thecostofsupportingacancerpatientundergoing12farfromhome.Thenahoney-jarispassedaroundandthemoney13everycentofitgoes14tothatfamily.Thepeopleatthepartyhaveagoodtime.Thefamily15thatsomeoneprobablysomeonetheyhavenevermetknowswhattheyaregoingthroughand16enoughtohelp. Leo's17tohelpthefamiliesofothercancerpatientswasbornoutofhisgriefbutfromtheperspectiveofthosewhohavereceivedthemoneyitisanactoflove.Hispersonal18hasresultedinanactofkindnessthathonoursthe19ofthewifehehaslost.Wouldn'titbeniceifwehadmorepeopleintheworldlikeLeonardGilbert?I'mgladImetLeo.Hemakestheworlda20place. 1A.know B.notice C.forget D.love 2A.requires B.needs C.deserves D.avoids 3A.convenient B.peaceful C.remote D.nearby 4A.meant B.spent C.showed D.reduced 5A.otherwise B.instead C.somehow D.anyway 6A.stricken B.shocked C.pleased D.mourned 7A.happiness B.hardships C.cancers D.expenses 8A.coins B.honey C.medicine D.parties 9A.jars B.cards C.instruments D.flowers 10A.tellsabout B.arguesabout C.commentson D.chatsabout 11A.cutting B.meeting C.increasing D.calculating 12A.charities B.depression C.treatment D.support 13A.saved B.paid C.owed D.collected 14A.partly B.exactly C.properly D.directly 15A.understands B.pretends C.ignores D.confirms 16A.earns B.cares C.struggles D.plans 17A.demand B.motivation C.expectation D.consideration 18A.donation B.opinion C.loss D.belief 19A.cancer B.memory C.wish D.recovery 20A.better B.worse C.morepeaceful D.moreterrible
—!Somebodyhasleftthelabdooropen. —Don'tlookatme. A.Dearme B.Hithere C.Thankgoodness D.Comeon
We'veheardofrobotsandAIArtificialIntelligencetakinghumanjobsbutIbetmayors市长don'treallythinktheirjobscanbethreatenedanytimesoon.TheywerewrongandtheAIrunningforthemayorofaTokyodistrictwasclearproofofthat. AIcan'tlegallynmforhigh-rankingpublicmanagementpositionsyetbutonemayoralcandidatefromTamaCityTokyointendedtomaximizetheuseofartificialintelligenceinrunningcityaffairs.Hewasrunninghiscampaign竞选运动asAIMayor.BasicallyhewassuggestingreplacinghumanpublicofficialswithAIandhavingthemcollectcitydataandcreatefairandbalancedpoliciesthatwillbenefiteveryone. ForthefirsttimeintheworldAIwillruninanelectionhumancandidateMichihitoMatsudaannouncedonTwitter.ArtificialIntelligencewillchangeTomaCity.WiththebirthofanAIMayorwewillconductbalancedpolitics. TheAIMayorwascampaigningverymuchlikeitshumancompetitors.PosterswereshownalloverTamaCityandcampaigntruckswereblaringout大声鸣响promisesofanAIutopia乌托邦andaskingforsupport. SomepeoplecalledMichihitoMatsuda'scampaignastunt噱头asahumanwouldstillbetheonelegallyincharge.HoweverotherssaidthattheywereexcitedaboutthefutureofAIrunningthingsinthebackgroundaddingthatithadtobeabetterchoice. 1What'stheadvantageoftheAImayoraccordingtoMichihitoMatsuda? A.MaximizingtheuseofAI. B.Replacinghumanofficials. C.Creatingbalancedpolicies. D.Bringinghimbeneficialeffects. 2HowwillAIrunforthemayor? A.Itwillabolishmanyoldpolicies. B.ItwillaskforsupportontheInternet. C.Itwillmakepublicspeechesdressedlikeahuman. D.Itwillcompetesimilarlytohumancompetitors. 3What'sthecitizens'attitudetowardMichihitoMatsuda'scampaign? A.TheybelieveAIwillwin. B.Allconsiderittobetricky. C.Itissupposedtobeafailuredefinitely. D.Somethinkit'sworthyofexpectation. 4Whatisthebesttitleforthepassage? A.AIRunsfortheMayor. B.TheAdvantagesofAI. C.AIReplacesHumaninManagement. D.ThePatternsofAIManagement.
Forallthefailureofhisbusinessheremainsoptimisticanduntroubledbyhisproblems. A.hopefully B.seemingly C.rarely D.frequently
Allchildrenshouldgetaccesstoahigh—qualityeducationtheirracezipcodeorfamilyincome. A.dueto B.regardlessof C.apartfrom D.dependingon
Wemostprefertosayyestotheofsomeoneweknowandlike. A.attempts B.requests C.doubts D.promises
Cancreativitybetaught?That'saquestionwithoutasimpleyesornoanswer.Creativitymaynotbeabletobetaughtdirectlybutwhatyoucangetbetteratisfrequentlytargetingatthecircumstancesoflifewhichbringupthegreatestchancesfortruecreativeexpression.1butmorelikesomethingwhichmanifests显现itselfinsidethosewholearntodevelopitandcreatetherightconditionsforit. Limityourselectionoftoolstoonlythemostvital.2.You'llbesharperthansomeonewhomerelyfightswithalargersetoftools. Learnhowtoberesourceful.3.Creativityisnotjustaboutcreatingsomethingnewbutmakingoldthingsworkbetteraswell.Thinkofcrazypossibilitiesaswellaspracticalones.Youmightfindinspirationforaworkablesolutioninoneofyourideas. Don'tlistentofeedback反馈andkeepfollowingyourownpath.Theproblemofaskingforfeedbackisthatthefeedbackwillbegivenaccordingtotheperson'spastexperience.Otherswillunconsciouslypushyouinadirectionthattheyseeasbest.4.Justdon'tletcriticismeventheconstructingtypedestroyyourcreativityduringthecreativeprocess. 5.Routinesarepositiveiftheystrengthenahealthycreativeconsciousnessandnegativeiftheydestroythat.Thekeyistodiscoveracreativeroutinethatputsyouinamorecreativemindset. A.Creativityisnotlikealightningstrike B.Havingaroutineisactuallynotabadidea C.Youcanliterallydoanythingyoulikewiththem D.Resourcefulnessisaboutmakingthemostofwhatyouhavetoworkwith E.Themorelimitedyoursetoftoolsisthemorecreativetheoutputwillbe F.Thisisdonewithgoodintentionsbutitactuallyhurtsyournaturalcreativity G.Whilebreakingyourroutineonceinawhiletoforcenewwaysofthinkingisgood
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