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已知等差数列{an}中,若a4+a12=20,d=3,则a5=( )
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高一下学期数学《》真题及答案
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在数列中若对任意的都有为常数则称数列为比等差数列称为比公差.现给出以下命题①若是等差数列是等比数列则
等差数列{an}中Sn是前n项的和若S.5=20则a2+a3+a4=
15
18
9
12
已知数列是首项为1公差为1的等差数列是公差为d的等差数列是公差为d2的等差数列d≠0.Ⅰ若a20=3
数列的通项公式则此数列
是公差为5的等差数列
是公差为2的等差数列
是首项为5的等差数列
是公差为n的等差数列
已知{an}为等差数列若a3+a4+a8=9则a5=
3
4
5
6
在等差数列{an}中已知前15项的和S.15=90则a8等于
3
4
6
12
已知则数列是
公差为9的等差数列
公差为
的等差数列
公差为4 的等差数列
不是等差数列
已知公差不为0的正项等差数列{an}中Sn为前n项之和lga1lga2lga4成等差数列若a5=10
已知等差数列{an}中若a3+3a6+a9=120则2a7﹣a8的值为
24
﹣24
20
﹣20
在等差数列{an}中若a4+a6=12Sn是数列{an}的前n项和则S9的值为
48
54
60
66
由公差为d的等差数列a1a2a3重新组成的数列a1+a4a2+a5a3+a6是
公差为d的等差数列
公差为2d的等差数列
公差为3d的等差数列
非等差数列
2012年高考辽宁文在等差数列{an}中已知a4+a8=16则a2+a10=
12
16
20
24
已知136的各项是一个等比数列和一个等差数列对应项相加而得到的其中等差数列的首项为0.Ⅰ分别求出等差
已知等差数列{an}的公差为3若a1a3a4成等比数列则a2=________.
在等差数列{an}中已知a4+a8=16则a2+a10=
12
16
20
24
已知136的各项是一个等比数列和一个等差数列对应项相加而得到的其中等差数列的首项为0.Ⅰ分别求出等差
已知等差数列{an}的公差为正数且a3·a7=-12a4+a6=-4则S.20为
-90
-180
90
180
等差数列a1a2a3an的公差为d则数列ca1ca2ca3canc为常数且c≠0是
公差为d的等差数列
公差为cd的等差数列
非等差数列
可能是等差数列,也可能不是等差数列
共对于数列而言若是以为公差的等差数列是以为公差的等差数列依此类推我们就称该数列为等差数列接龙已知则等
54
59
63
67
从12320这20个数中任取3个不同的数组成等差数列这样的不同等差数列有个
170
180
190
200
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Theregularuseoftextmessagesande﹣mailscanlowertheIQmorethantwiceasmuchassmokingmarijuana大麻.Thatisthestatementofresearcherswhohavefoundthattappingawayonamobilephoneorcomputerkeypadorcheckingforelectronicmessagestemporarilyknocksupto10pointsofftheuser'sIQ.Thisrateofdeclineinintelligencecomparesunfavorablywiththefour﹣pointdropinIQassociatedwithsmokingmarijuanaaccordingtoBritishresearcherswhohavedescribedthephenomenonofimprovedstupidityasinfomania.TheresearchconductedbyHewlettPackardthetechnologycompanyhasconcludedthatitismainlyaproblemforadultworkersespeciallymen. Itisconcludedthattoomuchuseofmoderntechnologycandamageaperson'smind.Itcancauseaconstantdistractionofalwaysontechnologywhenemployeesshouldbeconcentratingonwhattheyarepaidtodo.Infomaniameansthattheyloseconcentrationastheirmindsremainfixedinanalmostpermanentstateofreadinesstoreacttotechnologyinsteadoffocusingonthetaskinhand.Thereportalsoaddedthatinalongtermthebrainwillbeconsiderablyshapedbywhatwedotoitandbytheexperienceofdailylife.Atamicrocellularlevelthecomplexnetworksofnervecellsthatmakeuppartsofthebrainactuallychangeinresponsetocertainexperiences. Toomuchuseofmoderntechnologycanbedamagingnotonlytoaperson'smindbuttotheirsocialrelationship.1100adultswereinterviewedduringtheresearch.Morethan62percentofthemadmittedthattheywereaddictedtocheckingtheire﹣mailsandtextmessagessooftenthattheyscrutinizedwork﹣relatedonesevenwhenathomeoronholiday.Halfsaidthattheyalwaysrespondedimmediatelytoanemailandwilleveninterruptameetingtodoso.Itisconcludedthatinfomaniaisincreasingstressandanxietyandaffectingone'scharacteristics.Nineoutoftenthoughtthatcolleagueswhoanswerede﹣mailsormessagesduringaface﹣to﹣facemeetingwereextremelyrude. TheeffectsonIQwerestudiedbyDrGlennWilsonapsychologistatUniversityofLondon.Thisisaveryrealandwidespreadphenomenonhesaid.Wehavefoundthatinfomaniawilldamageaworker'sperformancebyreducingtheirmentalsharpnessandchangingtheirsociallife.Companiesshouldencourageamorebalancedandappropriatewayofworking. 1Wecanlearnfromthepassagethatinfomania. A.hasapositiveinfluenceonone'sIQ B.resultsinthechangeofpartofthebrain C.liesintheproblemoflackofconcentration D.iscausedbytoomuchuseofmoderntechnology 2Theresearchmentionedinthepassageismostprobablyabout. A.theimportantfunctionofadvancedtechnology B.thedamagetoone'sbraindonebyunhealthyhabits C.therelevancebetweenIQanduseofmoderntechnology D.therelationshipbetweenintelligenceandworkingeffectiveness 3Theunderlinedwordscrutinizedprobablymeans. A.copiedpatiently B.correctedquickly C.answeredhurriedly D.examinedcarefully 4Whatisthemainideaofthispassage? A.Moderntechnologycandamageaperson'smind. B.Electronicmessageshavesideeffectsontheuser'slife. C.Theregularuseoftextmessagesande﹣mailscanharmyourIQ. D.Theregularuseoftextmessagesande﹣mailscanbecomparedtosmokingmarijuana.
We'vehearditbefore﹣﹣﹣we'vehearditonthenewsfromteachersfromparents﹣childrenandteenagerstodayaregrowinguptoofast.Therearenottoomanypeoplethatwill1Bwiththatstatement.Teenagersarefacedwithseriousproblemsanddecisionsatanearly2A.Infactmostteenagers'dailyschedulesareas3Basthoseofanadult's. IhavebeenworkingsinceIwasthirteenandalwaysin4CinwhichIwasworkingwithadults.Ihavehadtolearntothinkand5Dlikeanadulttobetakenseriously.SoIcountmyselfasonewhohasgrownuptoofast.Ijustgraduatedfromhighschoolandhaverecentlyspentsometimereflectingonthe6Aeighteenyears﹣thinkingaboutmyselfwhatIhavegainedandwhat7CIhaveyettoachieve. Weareexpectedtoworkhardgetexcellent8Bbeinagoodrelationshipandknowwhatwewanttodo9A.Thelistgoesonandon.Butthe10BisclearWeliveinasocietytodaythatis11Dourchildhood.Wenolongerhavemanyyearstobecarelessandfancy﹣free.Weareexpectedto12Dthestrictschoolrulesandtoexcel擅长ineverythingwedo. I'veknownthesethingsforalongtimeandknewthatthey13Cme.ButIneverreallyadmittedituntillastnightwhenIlearneda14AlessontaughttomebymybosswhereIwork.Wehadfinishedajobataremotesite.Itwasabout1130atnightandwehad15Ctohishouse.Weweretalkingaboutthe16Bhehadbeenmakingtohishome.OneofthethingshesaidwasI17Bmybasketballhoop圈.Thenhethrewabasketballtome. Ihadn't18Dabasketballinfiveyears. Weproceededtoshoothoopsforabout40minutes.Bothofuswereterriblybadatitbutwespentthewholetime19Alikechildren.ThenIrealizedsomethingIamstillachild.OhthelawsaysI'manadult.Butwearestillreallyandtrulychildren.Weallneedtohave20Conceinawhile. 1A.argue B.disagree C.satisfy D.discuss 2A.age B.stage C.year D.grade 3A.certain B.busy C.careful D.perfect 4A.companies B.places C.positions D.offices 5A.study B.speak C.work D.act 6A.last B.other C.rest D.coming 7A.purposes B.success C.goals D.jobs 8A.textbooks B.grades C.teachers D.schools 9A.inlife B.intime C.forages D.forever 10A.information B.message C.notice D.idea 11A.ruining B.correcting C.envying D.shortening 12A.respect B.accept C.learn D.follow 13A.inspired B.disappointed C.affected D.frightened 14A.valuable B.serious C.important D.useful 15A.walked B.flownback C.goneback D.driven 16A.furniture B.improvements C.equipment D.arrangements 17A.moved B.fixed C.sold D.broke 18A.played B.caught C.kicked D.held 19A.laughing B.shouting C.running D.shooting 20A.arest B.atalk C.fun D.sports
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isdangerousforustoswimintheriveralone.A.Something B.It C.This
假设你叫李华你的朋友沉迷于微信WeChat而不能自拔写信向你寻求帮助请你给他回一封电子邮件.内容包括 1.表示理解和关心 2.提出具体建议. 要求 1.词数100左右2.可以适当增加细节以使行文连贯 3.格式与结尾已给出不计入总词数. DearJohn Ihopetheseideascanhelpyougetridofyouraddictionassoonaspossible.Bestwishes! Yourssincerely LiHua
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SeveralyearsagoIwasatatrainstationinAmsterdamwaitinginlinetobuyaticket.AsIstoodthereIsawayoungmanaskingpeopleformoneysothathecouldbuyhisbreakfast.Mostofthetravelerssimply1ignoretheyoungmanorgave2headirtylookyetawell﹣dressedmiddle﹣agedmanreacteddifferently.When3approachbytheyoungmanthegentlemanlooked4athimandquietlyaskedHowmuchwillyouneed?Icouldn'thear5theyoungmansaidbutwatchedasthegentlemanpulledseveral6notefromhiswalletand7calmplacedthemintheyoungman'shands. Idon'tknowwhethertheyoungmanactuallyusedthemoneyforhisbreakfastorfor8purposes.WhatIdoknowisthatIwitnessedtwodifferentreactionstothesamesituation.Isawpeoplewho9beeitherafraidorannoyed.AndthenIsawthegentlemanwhowasnotafraidandtreatedthehomelessyoungmanasthoughhewereabrother.Idecidedthenandtherethateventhoughwehavetobe10careinthisworldIwouldratherbelikethegentleman.
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TheInternationalVoluntaryServicerunsanumberofYouthExchangesthroughouttheyear.YouthExchangesgivesmallgroupsof4﹣5youngpeopletheopportunitytotakepartinvolunteeringtripsabroadforanaverageoftwoweeks.Theseyoungpeoplearejoinedby4﹣5youngpeoplefrom3﹣4othernationalitiesandareawonderfulinterculturalexperienceinasafeenvironment. ExampleYouthExchanges YouthExchange1 LocationIreland OthernationalitiesIrelandSpainItalyHungary ThemeFocusesonthetopicofcommunityreconstructionandcommunityactivities﹣exploringhowlocalissuesfacingourcommunitiesareconnectedtoglobalissues.Thegroupwillalsolearnabouttheeco﹣villageasanexampleofacommunityandtakepartinteam﹣buildingactivities. YouthExchange2 LocationFrance OthernationalitiesBulgariaItalyFrance ThemeOrganicgardening&continualliving.Thisprojectwilltakeplaceinanaturalparkwherethegroupwilltakepartingardeningactivitiesandgames/workshopsaboutcontinuousdevelopment. YouthExchange3 LocationMacedonia OthernationalitiesSerbiaTurkeyIreland ThemeFoster培养socialinclusionandmotivatepersonaldevelopmentofyoungpeoplethroughsportsandoutdooractivities.Promoteoutdooractivitiesasatooltohelpinclusionofyoungpeoplewithfeweropportunities. YouthExchange4 LocationItaly OthernationalitiesItalyBulgariaGreece ThemeAsocial﹣environmentalprojectthatintendstopromotesocialinclusionandcontinuousdevelopmentregardedasaprocessofcivilrightsandactivecitizenship.Over10daysthegroupwillparticipateinactivitiestoraiseawarenessabouttheeffectofourbehaviorontheenvironment. 1WhatdoyoufocusonwhentravelinginFrance? A.Gardeningwork B.Civilrights C.Developingsocialinclusion D.Rebuildingcommunities 2Ifyouareinterestedinprotectingtheenvironmentyoucantakepartin. A.YouthExchange1 B.YouthExchange2 C.YouthExchange3 D.YouthExchange4 3WhichnationalityareYouthExchangesmostpopularwith? A.Spain B.Italy C.Ireland D.France
Lucywantstotravel旅游theworld.
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Massmediaareveryimportanttoolsofcommunicationthrough1informationispassedtoeventhefarthestendoftheworld.They2ableustocommunicatewitheachotherby3helpustoovercomethebarriersoftimeandspace. Massmediafunctioninvarious4way.Belowarelistedthemostcommonlyseen. Firstmassmediakeepuswell5informofthehappeningsoftheworldwhichwouldotherwiseremainunknown. Secondmassmediapersuadeus6mostthroughadvertisements.AswecanseenewspapersmagazinesandTVarefilled7allkindsofcolourfulpersuasiveadvertisementswhichtemptustobuytheirproducts. Thirdmassmediagive8entertainment.Televisionandradiobroadcastingprovideuswithabigvarietyofprogrammeseveryday.Filmsbooksmagazinesetc.giveus9dayamusement. Inawordmassmedia10beallthemoreimportantinthefutureandtheirfunctionwillenormouslyexpand.Limitedbyapaceonlyafewexamplesarementionedhere.
ItwasinOctober.Iwas1wanderingdownthestreetheadingintoamostgloriouslybeautifulsunset.Ihadaan2tospeaktosomeoneonthestreettosharethatbeautybutitseemedeveryonewasinahurry. Itookthenext﹣best3.QuicklyIduckedintoa4andaskedtheladybehindthecounterifshecouldcomeoutsideforjustaminute.ShelookedatmeasthoughIwerefromsomeother5.She6andthenseeminglyagainstherbetterjudgmentshemovedtowardthedoor. WhenshegotoutsideIsaidtoherJustlookatthatsunset!NobodyoutherewaslookingatitandIjusthadto7itwithsomeone. Forafewsecondswejust8.ThenIsaidGodisinhisheavenandallisrightwiththeworld.Ithankedherforcomingouttoseeit.Itfelt9tosharethebeauty. Fouryearslatermy10changedgreatly.Icametotheendofatwenty﹣yearmarriage.Iwas11andonmyownforthefirsttimeinmylife.IlivedinatrailerparkandIhadtodomy12inthecommunitylaundryroom. OnedaywhilemyclothesweregoingaroundI13amagazineandreadanarticleaboutawomanwhohadbeenin14circumstances.Shehadcometotheendofamarriagemovedtoa15communityandtheonlyjobshecouldfindwasoneshe16clothingsalesinastore. Thensomethingthathappenedtoher17everything.Shesaidawomancameintoherstoreandaskedherto18outsidetolookatasunset.ThestrangerhadsaidGodisinhisheavenandallisrightwiththeworldandshehadrealizedthe19inthatstatement.Fromthatmomentonsheturnedher20around. 1A.quickly B.aimlessly C.nervously D.carefully 2A.urge B.idea C.feeling D.chance 3A.way B.action C.decision D.route 4A.hotel B.restaurant C.store D.bank 5A.planet B.country C.place D.city 6A.regretted B.agreed C.hesitated D.refused 7A.discuss B.study C.experience D.share 8A.talked B.looked C.stood D.wondered 9A.good B.strange C.comfortable D.safe 10A.opinion B.behaviour C.role D.situation 11A.depressed B.excited C.alone D.bored 12A.work B.wash C.shopping D.clothes 13A.pickedup B.pickedout C.pickedover D.pickedoff 14A.special B.different C.favourable D.similar 15A.large B.local C.strange D.good 16A.enjoyed B.disliked C.knew D.created 17A.destroyed B.brought C.changed D.settled 18A.step B.wait C.play D.sit 19A.fact B.importance C.advantage D.truth 20A.habit B.state C.job D.life
假如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的以下作文.文中共有10处错误涉及单词的增加删除或修改. 增加在缺词处加一个漏词符号∧并在此符号下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错词下面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处不计分. IcanstillrememberthedaywhenIvisitedWuzhen.IfeelrejoicedbecausetheairwascleanandfreshwhichwastotallydifferentfromthecitywhereIhadleftbehind.ItisabeautifulvillagelocatinginJiaxingZhejiangprovince.Likemanysmalltownsinthesouthernareaithasalotofsmallbridgesgoingthroughcleanstreams.Duringadaypeoplecanwalkorsitonaboattoenjoyingthenaturalsceneryalongthestream.Thesceneatnightisattractivelyaswell.Thereareallkindsofroundandsquarelight.EverytimewhenIlookedatthepicturesItookIwillrememberthewaterthebridgesandthehouses.Thewatercountrywilllongremainmydream!
LONDONReuters﹣Quietplease﹣Britain'sQueenElizabethispreparingtohaveherswanscounted. BuckinghamPalacehasannouncedthattheannualSwanUppingatraditiondatingbacktothe12thcenturywhichinvolvesacensusoftheswanpopulationontheRiverThameswillbeconductedbytheQueen'sofficialSwanMarkerfromJuly20to24. WiththeassistanceoftheQueen'sSwanWardenProfessorChristopherPerrinsoftheUniversityofOxfordtheswansandyoungcygnets小天鹅arealsoassessedforanysignsofinjuryordiseaseBuckinghamPalacesaidinannouncingthecount. TheprocessinvolvestheSwanMarkerDavidBarberrowinguptheThamesforfivedayswiththeSwanWardenintraditionalskiffswhilewearingspecialscarletuniformsandcountingweighingandmeasuringswansandcygnets. ItmayseemeccentricbutitisveryimportanttotheQueenAccordingtocustomBritain'ssovereignownsallunmarkedmuteswansinopenwaterbuttheQueennowexercisestherightonlyonstretchesoftheThamesanditsnearbytributaries. InmedievaltimestheSwanMarkerwouldnotonlytraveluptherivercountingtheswansbutwouldcatchasmanyaspossibleastheyweresoughtafterforbanquetsandfeasts. ThisyeartheSwanMarkerandtheSwanWardenareparticularlykeentodiscoverhowmuchdamageisbeingcausedtoswansandcygnetsbyattacksfromdogsandfromdiscardedfishingtackle渔具. ItisalsoanimportantyearbecauseQueenElizabethhasdecidedtojoinherteamofSwanUppersforpartofthecensus.ShewillfollowthemuptheriverandvisitalocalschoolprojectonthewholesubjectofswanscygnetsandtheThames. EducationandconservationareessentialtotheroleofSwanUppingandtheinvolvementofschoolchildrenisalwaysarewardingexperienceBuckinghamPalacesaid. 1WecaninferfromthepassagethattheprocessofcountingtheswansA. A.remainsalmostunchangedinthepastyears B.involvesalotofroyalmembers C.sometimeslastslongerthanbefore D.isalwaysguardedbyspecialsoldiers 2Whichofthefollowingisthemainideaofthepassage?B A.Britain'sQueenisconcernedaboutswans. B.Britain'sQueenordersacountofswans. C.AnoldtraditioninBuckinghamPalace. D.QueenElizabethwillcountswansherself. 3TheunderlinedwordtributariescanbebestreplacedbyD. A.districts B.banks C.trees D.branches
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处错误每句中最多有两处.错误涉及一个单词的增加删除或修改.增加在缺词处加一个漏字符号Λ并在其下面写出该加的词.删除把多余的词用斜线\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. HeavysnowfellinmanypartsofChinalastwinter.Differentpeoplehavedifferentopinionsaboutsnowfallsinwinter. JustliketheoldsayinggoesAheavysnowfallinwintermeaningagoodharvestthenextyear.Somepeoplethinkthatheavysnowcankillharmfulpeststhatwillbegoodforthecrops.Besideswithsnowfallingtheaircanbecomecleanandisbeneficialforourhealth.Inadditionheavysnowcanbringlotsoffunsforbothadultsandchildren.Thereforeotherpeopledon'tthinkhighofsnowfallsbecausesnowfallsmakedifficultforpeopletogoout. AsfarasIamconcernedIprefersnowfallsinwinterbecausetheearthlooksveryniceandbeautifulwitheverythingcoveringwithsnow.
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Mostteenslookforwardtolearninghowtodrive.1.Fortunatelytherearethingsthatyoucandotohelpyourteenbecomemorecomfortablebehindthewheel.Belowaresometipsforhelpingyourteenbecomeamoreconfidentdriver. 2 Beforeyourteengetsbehindthewheelofacarheorsheshouldbefamiliarwiththerulesoftheroad.Youshouldhaveyourteenreviewthedriver'shandbookandthevehicle'sinstruction.Ifyourteenunderstandsthebasicrulesandhowthecarworksthenheorshewillfeelalittlebetteraboutgettingontheroad. *Modelgooddriving Actionsspeaklouderthanwords.Manypeoplewilltellyouthattheylearnedhowtodrivebywatchingoneoftheirclosefamilymembersdrive.3. *Practice Practicemakesperfect.Themoreyourteenpracticesthemoreconfidentheorshewillbecome.Yourteenshouldstartoffbydrivinginaplacethatisfreeofbarriers.4.Afteryourteenhasgottencomfortableaboutthisheorshecanstartpracticingontheroad. *Driveinavarietyofconditions Inorderforyourteentobecomeagooddriverheorshehastopracticedrivinginavarietyofconditions.5. *Getcarinsurance Manyteensareworriedabouthowmuchmoneytheirparentswouldhavetopayifanaccidentoccurred.Youshouldexplaintoyourteenthatcarinsurancecanhelponesavealotofmoney. A.Teachyourteentherulesoftheroad B.Everyoneshouldbeconsiderateofothersontheroad C.Youshouldshowgooddrivingtechniqueswithexamples D.Letyourteenfinishschoolbeforeheorshegetsontheroad E.Anemptyparkinglotisagoodplaceforanewdrivertopractice F.Thisincludesthingssuchasheavytrafficbadweatherandfreeways G.Howeversomeofthemarenervousaboutactuallygettingoutontheroad.
SportsSaturdaysTheFoxValleyParkDistrictpartneredwithsixschoolsthroughoutAuroraandNorthAurorntoofferitstraditionallypopularSportsSaturdaysprogrambeginningfromJan.9.Freetofamilieswithchildreningrades1through5.SportsSaturdaysprovideasafeenvironmentforchildrentointeractandparticipateinactivitiesthatincludesportscraftsandgeneralfitness.'SportsSaturdaysareanopportunityforkidstogetoutofthehouseanddowhattheylovemost﹣play!ParkDistrictinstructorsareonhandtoteachandassist.'saidmanagerRafaclMaritinex.Whooverseestheprogram.'they'llgetachancetotakepartinawholebunchofdifferentsportsanditalsogivesparentsacouplehoursoffreetimewhiletheirkidsareenjoyingthemselvesinasafesetting.'SportsSaturdaysarerunatsixdifferentprimaryschoolsaroundthearea﹣BardwellHernes.O'donnellHallandMcCleeryinAuroraalongwithSchneiderinNorthAurora.Sportincludebaseballbasketballfloorhockeysoccerandotherhigh﹣energyactivities.TheprogramrunsforeightSaturdaysthroughfeb.27.Childrencanparticipateintheactivitiesatanyschoolandevenvisitadifferentschooleachweek.GeneralInformation●Anyoneneedingaccommodationsshouldfillinthisinformationontheirregistrationform.●Childrenmustmeettheagerequirementforallpreschoolandyouthrelatedprograms.●AllparticipantspermitthetakingofphotographsandvideoofthemselvesandtheirchildrenduringParkdistrictactivitiesforpublicationanduseastheParkDistrictconsidersappropriate.1SportsSaturdaysaimto.A.attractmorechildrentoattendthelocalschoolsB.encourageschoolstopromotekidsphysicaleducationC.providekidswithchancestoenjoythefunofactiveplayD.assistparentstotakecaretofkidsduringthewintervacation2ChildrentakingpartinSportsSaturdays.A.arefromsixschoolsB.arefromthesamegradeC.willbeaccompaniedbyparentsD.willbeprotectedbyprofessionalPersons3Whatneedstobemadeclearwhenregistering?A.Applicationforaccommodation.B.AgerequirementC.PermissionforphotographsD.Activityplaces
WinstonChurchillisprobablythemostpopularBritishprimeministerever.HavingservedhiscountryasasoldierandpoliticianheisoftenconsideredamongthegreatestofBritons.ButwhilehisheroicstandagainsttheNazisiswellknowntherearestillafewfactsaboutthepopularpoliticianthatmightsurpriseyou. TheclassicimageofWinstonChurchillincludesagiantcigarstuckbetweenhislips.Howeverhealmostnevertookapuffpreferringtochewontheenduntilitwentoutthenrelightitandstartagain. Althoughit'ssomewhatovershadowedbyhispoliticalcareerWinstonChurchillwasanaccomplishedwriter.HewontheNobelPrizeforLiteraturein1953.HisfirstbookwasTheStoryoftheMalakandFieldForceafirst﹣handaccountofamilitarycampaigninwhatisnowPakistan.FunnilyenoughtherewasanAmericanwriternamedWinstonChurchillactiveatthesametime. InterestinglybothChurchillspublishedtheirfirstbooksin1898althoughtheAmericanChurchillwasthefirsttobecomefamousforhiswriting.Unsurprisinglyhewouldfinallybeeclipsed使黯然失__ythefameofhisBritishcounterpartandisalmostforgottentoday.Butatthetimethetwowriterswereoftenconfusedwitheachother.ToavoidfurtherdifficultythetwoChurchillseventuallyagreedthattheBritishChurchillwouldpublishasWinstonS.ChurchillwhiletheAmericanwouldsimplygobyWinstonChurchill. InDecember1931ChurchillwasinNewYork.Whilecrossingthestreethewashitbyacar.AsitturnedoutChurchillhadinstinctivelylookedtotherightwhenhewantedtocross.HoweversincecarsdriveonoppositesidesoftheroadinAmericaandBritainheshouldactuallyhavelookedleft.Insteadhesteppedserenelyintothepathofanoncomingcar. Fortunatelyheplayeddowntheseverityoftheinjuries.Healsoacceptedalltheblamefortheaccidentinformingthepolicethatthedriverwasinnocentandsecuringhisrelease.AfterwardsChurchillmanagedtotalkhisdoctorintowritinghimanotestatingthatThepost﹣accidentconcussion撞击ofWinstonS.Churchillnecessitatestheuseofalcoholicspiritsespeciallyatmealtimes. 1TheunderlinedwordovershadowinParagraph3probablymeans. A.tohide B.topromote C.tobringshameon D.tomake…smallbycomparison 2WhichofthefollowingistrueofChurchill? A.Hepreferredpoliticalcareertowriting. B.HisfirstbookisaboutthewaragainstNazis. C.Hispopularityseemednottobeaffectedbyhisimageofsmokingcigar. D.HehadafightwiththeAmericanChurchillovertheuseoftheirnames. 3FromthecaraccidentweknowChurchillwasaman. A.loving B.careless C.sympathetic D.strong﹣willed 4Whatmaytheparagraphthatfollowstalkabout? A.Churchill'sotherkindness. B.Churchill'spoliticalachievement. C.SomeotheranecdotesofChurchill. D.Churchill'spopularityininternationalcommunity
InthestorytoldbytheRomanpoetOvidPygmalionisasculptorwhofallsinlovewithastatuehehascreated.BernardShawborrowedthethemeforhisplayPygmalion﹣laterturnedintothemusicalMyFairLady﹣﹣﹣inwhichProfessorHenryHigginschangestheCockneyflowergirlElizaDoolittleandlovesherevenasheteachesherhowtospeakproperEnglish. PsychologiststoohavepickedupthethemeresearchingwhattheycallthePygmalioneffect.ThefindingassocialpsychologistRobertRosenthalputsitisthatwhatonepersonexpectsofanothercancometoserveasaself﹣fulfilling应验的prediction.RosenthalandhiscoauthorLenoreJacobsoncreatedthetermtodescribetheamazingresultsofanexperimenttheycarriedoutinaCaliforniaschoolin1965.Studentstookatestthatwassaidtobeabletoidentifygrowthspurters﹣﹣﹣thosewhoweretomakegreatprogressacademically.Teachersweregiventhenamesofpupilswhowereabouttoprogressintellectually﹣﹣﹣andsureenoughthesestudentsshowedasignificantlygreatergaininperformanceovertheirclassmateswhentestedagainattheendoftheyear. Buthereisthethingthespurterswereactuallychosenatrandom.TheonlydifferencebetweenthemandtheirclassmatesRosenthalwriteswasinthemindoftheteachers.Andyettheexpectationsheldinthemindoftheteacherscanmakeabigdifference. Justhowdohighexpectationspromotegreaterachievement?It'snotsomemagicalact.Ratheritishigherexpectationsthatleadteacherstoactdifferentlyinsomespecialwaystoencouragestudents.Sobychangingourbehaviorandbelievingourstudentshavegreatpotentialwecanhelpourstudentsrealizetheirpotential. 1TheauthoroftheplayPygmaliongotinspirationfromC. A.themusicalMYFairLady B.somepsychologists'research C.aRomanstorytoldbyOvid D.aprofessor'slovestoryinEngland 2Whydidthespurtersmakegreatprogressintheexperiment?C A.theywerechosenatrandom B.theyweremoreconfidentthantheirclassmates C.theyreceivedhighexpectations D.Therewassomemagicinteachers'behavior 3Theexperimentconductedin1965A. A.isanexampleofthePygmalioneffect B.improvedallthestudents'grades C.hadnormalresultspredictedbyteachers D.identifiedgrowthspurterssuccessfully 4Forwhomwasthetextprobablywritten?A A.Teachers B.Students C.Researchers D.Writers
你校网站新开了一个英语写作栏目column供学生发表post英语作文互相交流提高写作能力.请你为该栏目写一个英文介绍内容包括 1.开设目的 2.栏目优势教师在线指导等 3.作文要求内容贴近学生生活 4.奖励方案 5.欢迎投稿 注意 1.词数100左右2.可以适当增加细节以使行文连贯.
Communicationhasalwaysbeenoneofthebasickeystosuccess.Theysaygreatpublicspeakersarebornandnotmadebuttherearealwayssometricksofthetradewhichwillhelpyouinbecomingagreatorator.1 ReadStudyandLearn Readingandstudyinghelpsyoutolearndifferentwordsandwaystoconveyyouridea.Watchhowotherspeakerstalk.2Learnfromtheexpertsandgettipsfromthemifyoucan. PostureisImportant Whosaidthatcommunicationisjustspeakingwords?3Ifyoustandconfidentlyorifyouaresittingupstraightitexpressesthatyouarefocusedonwhatyou'redoingandthatyouknowwhatyouarespeakingabout.Italsoshowshowmuchyouvaluetheirtimeandattention. ShowEnthusiasm 4Evenatechnovice新手wouldgetenthusiasticaboutthenewinventionwhenJobswouldpresentit.It'sbecausehehadthatenthusiasmwhichwouldspreadtootherpeopleinaheartbeat.Soyoumustshowenthusiasminwhatyouarespeakingaboutoritwillseemthatevenyouareuninterestedinwhatyouhavetosay. WelcomeQuestions 5Allowyouraudiencesometimetoaskyouquestions.Thisstagewillhelpyoudetermineifyouhaveeffectivelysharedyourknowledgeifyouraudiencetooknoticeandlistenedtoyouandifthereareanypartsthatyouneedtodiscussagainorclarify. A.Payattentiontotheirfacialexpressionsandhandgestures. B.Communicationisnotonlydoneorally. C.HaveyoueverheardthelateSteveJobsholdingaspeech? D.Herearesometrickswhichwillhelpyouinbecomingagreatspeaker. E.Onceyouhavegottenusedtoityourconfidencewillgrowanditwillshow. F.Thisisdecisiveinanyspeechesthatyoumake. G.Howyoustandorsitalsocommunicatesdifferentideastoothers.
WalkthroughtheAmazonrainforesttodayandyouwillfinditsteamywarmdampandthick.Butifyouhadbeentherearound15000yearsagoduringthelasticeagewouldithavebeenthesame?Formorethan30yearsscientistshavebeenarguingabouthowrainforestsmighthavereactedtothecolddryclimateoftheiceagesbuttillnownoonehasreachedasatisfyinganswer. RainforestsliketheAmazonareimportantformoppingupCO2fromtheatmosphereandhelpingtosolveglobalwarming.CurrentlythetreesintheAmazontakeinaround500milliontonsofCO2eachyearequaltothetotalamountofCO2givenoffintheUKeachyear.ButhowwilltheAmazonreacttothefutureclimatechange?IfitgetsdrierwillitsurviveandcontinuetodrawdownCO2?Scientistshopethattheywillbeabletolearninadvancehowtherainforestwillmanageinthefuturebyunderstandinghowrainforestsreactedtoclimatechangeinthepast. Unfortunatelycollectinginformationisincrediblydifficult.Tostudythepastclimatescientistsneedtolookatfossilizedpollen花粉keptinlakemudGoingbacktothelasticeagemeansdrillingdownintolakesediments沉淀物whichrequiresspecializedequipmentandheavymachinery.Thereareveryfewroadsandpathsorplacestolandhelicoptersandaeroplanes.Riverstendtobetheeasiestwaytoentertheforestbutthisstillleavesvastareasbetweentheriverscompletelyunsampled未取样.SofaronlyahandfulofcoreshavebeendrilledthatgobacktothelasticeageandnoneofthemprovideenoughinformationtoprovehowtheAmazonforestreactstoclimatechange. 1Howdoscientistsstudythepastclimatechange? A.Bypredictingtheclimatechangeinthefuture. B.Bydrillingdowndeepintolandsediments. C.Byanalyzingfossilizedpolleninlakemud. D.BytakingsamplesfromriversintheAmazon. 2Whyisitdifficulttocollectinformationaboutthepastclimatechange? A.Becausescientistscan'tfindproperequipmentandmachinery. B.Becauseitisverydifficulttoobtaincompletesamples. C.Becausehelicoptersandaeroplaneshavenoplacetoland. D.Becausenoneofthecoresprovideanyinformation. 3Whereisthepassagemostprobablytakenfrom? A.Amedicaljournal. B.Anewsreport C.Atravelbrochure. D.Asciencemagazine. 4Thebesttitleforthetextmaybe. A.SecretsoftheRainforest B.ClimatesoftheAmazon C.TheHistoryoftheRainforest D.ChangesoftheRainforest
BillboardMusicAwardsoftheYear2015goestoTaylorSwiftasinger﹣songwriterwhohasshapedandinspiredtheAmericanmusicindustrywithhersuccess. WhenTaylorSwiftfirstcametopublicnoticeshewasa17﹣year﹣oldnewcomerwholovedsingingtoherownguitar.Shewasfarmoreenthusiasticthanskilledbutapparentlythrewsparkofsuperbtalent. FouryearslaterSwifthasbecomeamulti﹣awardswinnerwiththebiggestsellingalbums.ForherconsummateperformanceTaylorSwiftwasnamedBillboardmagazine'swomanin2011.SheistheyoungestartisttoreceivehonorsandseveralBillboardMusicAwardsamongthemTopCountryAlbumforthefive﹣timeplatinum白金sellingSpeakNowherthirdalbumthatwasreleasedthatyear. Taylorhasshownthepowerofgoodsongwritingwithmusicofstyles.saidBillWerdeBillboard'seditorialdirectorAndatsuchayoungageTaylorhasalreadymadeamajorimpactonmusicandhasbeenanunbelievablerolemodelforpromisingartistsandyoungwomaneverywhere. Swiftisusedtobreakingchartrecordsandwinninghonorssincehercareerstarted.Shefollowedthatupin2008withFearlesswhichestablishedherasaskilledsongwriterwithseveralhitsincludingLoveStoryYouBelongWithMeandWhiteHorse. Notsurprisinglythe6﹣timeplatinumFearlessisthemostawardedalbumincountrymusichistoryintheUSandheroverallworldwidesalesnowreach20millionalbumsand40millionsongsdownloads.SwifthasspentthepastyearontheSpeakNOWWorldTourinsupportofherthirdalbumandnowshe'sgettingreadytogofurther. AccordingtoarecentinterviewwithTheNewYorkermagazineSwifthassofarwrittenabout10songsfora2016album.Shesaidthenewalbumisaboutfeelingsofgrowingupandbecominganadult. They'resadifI'mbeinghonest.SwifttoldTheNewYorker.They'reaboutmyheartbreaksandmymovingon.Butmoreimportantlytheyareaboutachievingcontentment.You'renotalwaysgoingtoberidiculouslyhappyasyougrowup. 1AsanewcomerintheshowbusinessTaylorSwiftwasconsideredtobe. A.askilledsongwriter B.anoutstandingartist C.anenergeticdirector D.apromisingtalent 2TheunderlinedwordconsummateinParagraph3canbestbereplacedby. A.confident B.professional C.excellent D.different 3Whatcanwelearnfromthepassage? A.SpeakNowisTaylorSwift'sthirdalbum. B.FearlessmarkedthebeginningofSwift'scareer. C.Swift'snewalbumisaboutfeelingsofgrown﹣ups. D.SwifthasgainedBillboardmagazine'swomantwice. 4Whichofthefollowingcanbethebesttitleofthepassage? A.ARisingMusicGenius B.Taylor'sHeartbreaksinGrowth C.AnInterviewwithTaylorSwift D.BillboardMusicAwardsinAmerica
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