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如图为电磁驱动与阻尼模型,在水平面上有两根足够长的平行轨道PQ和MN,左端接有阻值为R的定值电阻,其间有垂直轨道平面的磁感应强度为B的匀强磁场,两轨道间距及磁场宽度均为L.质量为m的金属棒ab静置于...
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高三下学期物理《》真题及答案
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轨道框架刚度在水平面内等于两根钢轨在水平面内的刚度之和
如图所示有两根和水平方向成α角的光滑平行的金属轨道上端接有可变电阻R.下端足够长空间有垂直于轨道平面
如果
增大,V
m
将变大 B.如果α变大,V
m
将变大
如果R.变大,V
m
将变大
如果m变小,V
m
将变大
如图所示两根平行光滑轨道置于同一水平面上相互间隔d=0.1m质量为3g的金属棒置于轨道一端跨在两根轨
如图所示相距为L.的两条足够长的平行金属导轨与水平面的夹角为θ金属导轨电阻不计导轨上有质量为m电阻为
如图所示有两根足够长不计电阻相距L.的平行光滑金属导轨cdef与水平面成θ角固定放置底端接一阻值为R
弯道的两根轨道不在同一个水平面上由于离心力的作用为此在弯道处要将内轨抬高
如图B-4所示两根足够长的固定平行金属光滑导轨位于同一水平面导轨上横放着两根相同的导体棒abcd与导
回路中感应电流为零
两根导体棒所受安培力方向相同
两根导体棒和弹簧构成的系统动量守恒,机械能守恒
两根导体棒和弹簧构成的系统动量守恒、机械能不守恒
如图a所示
B.为钉在光滑水平面上的两根铁钉,小球C.用细绳拴在铁钉
上(细绳能承受足够大的拉力),A.B.
在同一直线上。t=0时,给小球一个垂直于绳的速度,使小球绕着两根铁钉在水平面上做圆周运动。在0≤t≤10s时间内,细绳的拉力随时间变化的规律如图(b)所示,则下列说法中正确的有A.两钉子间的距离为绳长的1/6B.t=10.5s时细绳拉力的大小为6NC.t=14s时细绳拉力的大小为10N
细绳第三次碰钉子到第四次碰钉子的时间间隔为3s
如图所示MNPQ为放置于水平面上的两根平行导轨通电导体棒ab垂直放置在导轨上已知导体棒质量m=1kg
,方向如图所示,导体棒与导轨间的动摩擦因数μ=
。若使导体棒水平向右匀速运动,要求轨道内所加与导体棒ab垂直的匀强磁场的磁感应强度最小,则磁场的方向与轨道平面的夹角是(g=10 m/s
2
) A.30°
45°
60°
90°
两根间隔l=0.lm的平行光滑金属轨道固定在同一水平面上轨道的左端接入电源和开关质量m=5g的均匀金
如图所示在光滑水平面上用两根劲度系数分别为k1k2的轻弹簧系住一个质量为m的小球开始时两弹簧均处于原
弯道的两根轨道不在同一水平面上由于离心力的作用为此在弯道处要将内轨抬高
图所示水平面上有两根相距0.5m的足够长的平行金属导轨MN和PQ它们的电阻可忽略不计在M.和P.之间
如图所示MNPQ是两根足够长的固定平行金属导轨两导轨间的距离为l导轨平面与水平面夹角为θ在整个导轨平
如图所示有两根足够长不计电阻相距L.的平行光滑金属导轨cdef与水平面成θ角固定放置底端接一阻值为R
如图所示水平面内平行放置两根裸铜导轨导轨间距为L.一根裸铜棒ab垂直导轨放置在导轨上面铜棒质量为m可
如图所示两根平行且光滑的金属轨道固定在斜面上斜面与水平面之间的夹角轨道上端接一只阻值为R=0.4Ω的
如图所示abc与a/b/c/是两条互相平行且相距为L.的金属轨道其电阻略去不计aba/b/部分在水平
如图5所示有两根和水平方向成α角的光滑平行金属导轨上端接有可变电阻R.下端足够长空间有垂直于轨道平面
如果
增大,vm将变大 B.如果α变大,vm将变大
如果R.变大,vm将变大
如果m变小,vm将变大
如图a所示
B.为钉在光滑水平面上的两根铁钉,小球C.用细绳拴在铁钉
上(细绳能承受足够大的拉力),A.B.
在同一直线上。t=0时,给小球一个垂直于绳的速度,使小球绕着两根铁钉在水平面上做圆周运动。在0≤t≤10s时间内,细绳的拉力随时间变化的规律如图(b)所示,则下列说法中正确的有( )
A.两钉子间的距离为绳长的1/6 B.t=10.5s时细绳拉力的大小为6N C.t=14s时细绳拉力的大小为10N
细绳第三次碰钉子到第四次碰钉子的时间间隔为3s
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已知函数fx=e|x|+mcosx+2只有一个零点则m=.
Manyyearsagomydadwasfacingaseriousheartcondition.Hewasunabletodoasteadyjob.Hefellsuddenlyillandhadtobeadmittedtothehospital. Hewantedtodosomethingtokeephimselfbusysohedecidedtovolunteeratthelocalchildren'shospital.Mydadlovedkids.Itwastheperfectjobforhim.Heendedupworkingwiththeseriouslyillchildren.Hewouldtalkplayanddoartswiththem. Oneofhiskidswasagirlwithararediseasethatparalyzed瘫痪herfromtheneckdown.Shecouldn'tdoanythingandshewasverydepressed.Mydaddecidedtotrytohelpher.Hestartedvisitingherinherroombringingpaintsbrushesandpaper.Hestoodthepaperupputthepaintbrushinhismouthandbegantopaint.Hedidn'tusehishandsatall.AllthewhilehewouldtellherSeeyoucandoanythingyousetyourmindto.Attheendofthedayshebegantopaintusinghermouthandsheandmydadbecamefriends.Soonafterthelittlegirlwassenthomebecausethedoctorsfelttherewasnothingelsetheycoulddoforher.Mydadalsoleftthechildren'shospitalforalittlewhilebecausehebecameill.Sometimelateraftermydadhadrecoveredandreturnedtoworkincamethelittlegirlwhohadbeenparalyzedandonlythistimeshewaswalking.Sheranstraightovertomydadandhuggedhimreallytight.Shegavehimapictureshehaddoneusingherhands.AtthebottomitreadThankyouforhelpingmewalk. Mydadwouldcryeverytimehetoldusthisstoryandsowouldwe.Hewouldsaysometimesloveismorepowerfulthandoctorandmydad﹣whodiedjustafewmonthsafterthelittlegirlgavethepicture﹣lovedeverysinglechildinthathospital. 1Theauthor'sfatherworkedatthelocalhospitalto. A.makehisseriousheartconditionlessserious. B.keephimselfoccupiedandpleased. C.realizehischildhooddream. D.earnmoneytopayfortreatment. 2Howdidtheauthor'sfatherhelptheparalyzedlittlegirl? A.Hehelpedherpracticewalking. B.Hevisitedherandmadeatoyforher. C.Heshowedhershecouldstilldothings. D.Hepaintedspecialpicturesforher. 3AccordingtoParagraph3theparalyzedgirl. A.eventuallybecameauniquepainter. B.wassenthomeandneverseenagain. C.graduallyrecoveredandwalked. D.senttheauthor'sdadapicturepaintedwithhermouth. 4Whatmessagedoesthepassagemainlyconvey? A.It'sbettertogivethantoreceive. B.Asickpersonshouldnotfocusonhisdisease. C.Volunteeringisaworthwhilethingtodo. D.Lovecansometimesbringgreatresults.
已知EFGH分别是四面体ABCD的棱ABBCCDDA上的点且AE=EBBF=FCCH=2HDAG=2GD.则下列说法错误的是
已知fx=|x+2|+|x|. 1求不等式fx﹣x<4的解集 2若∀x∈Rfx≥m2﹣m恒成立求m的取值范围.
Youcanseldomseehomelesspeopleonthestreet.Sowhatcouldyoudoifyouwanttohelpthem?Herearesomeways. Donate捐赠money.Theeasiestwaytohelpthehomelessistodonateyourmoney.Whenyouwanttodothatyoucandonateyourmoneytolocalorganizations.Mostcharityorganizationsknowwherethemosthelpisneeded. Donatethings.Donatingyourusedornewthingsisanothereasywaytohelp.Donatethesethingstolocalorganizationswhichhelpthehomelessorgivethemtohomelesspeopleyouseeoften.Thebestthingstodonateincludethingslikeprofessionalclothingnewsocks… Providefood.①Therearelotsofwaysthatyoucanhelphomelesspeoplegetfood.Youcandonatefreshfruitsandvegetablestolocalsoupkitchens.Youcanalsodropoffbananasapplesorsandwiches. Callemergency紧急services.Ifyouseesomeonewhomaybeadangertothemselvesorotherscallemergencyservices.②Ifsomeoneisclearlyhavingaseriousproblemcallforhelpalso.IfsomeoneisindangerbecauseofweatherconditionscallEmergencyServicesalso. 1根据短文内容简要回答问题 1Whatistheeasiestwaytohelpthehomeless? 2Wherecanyoudonateyourusedornewthings? 2①和②将短文中画线的句子译成汉语. ① ② 3请给短文拟一个适当的标题.
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. LastwintervacationIwenttoHainanwithmyparentsonair.Wefirstwenttothebeach.Theskywasclearlytheseawasblueandthebeachwasverybeautiful.Whatwasimpressedmemostwasdiving.Isawsomuchcolorfultropicalfishes.Itwassoamazing.ThenwepayavisittotheEndsoftheEarthwhichIhaddreamedofgoto.Weappreciatedthebeautifulsceneryallthewayandtookmanyphoto.DuringthevisitItastedvariousdeliciouslocalfoodsamongthatIlikedseafoodmost.Thepeopletherewerefriendlyandsmilingfaceswerearoundusallthewaywhichmadeusexciting. Wehadawonderfultimethereanditwasunforgettablejourney.Ilookforwardtotravellingthereagain.
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Amousebecauseofan1luckchancemadeclosefriendswithanevilfrog.Oneday2frogplayedatrickonthemouseby3tieafootofthemousetohisown.Atfirstbothofthemjoinedtogetherandthefrogledhisfriendtowardthepool4helivedanddidn'tstopuntilhereachedthesideofthewater.Thenthefrog5suddenjumpedintothewaterandthemouse6pullinwithhim.Thefrogenjoyed7heinthewaterhappilydancingandcrying8ifhehaddoneagreatdeedTheunhappymousediedsooninthewaterandhisdeadbodyfloatedonthesurface9fastentothefootofthefrog.Ahawksawthedeadmousesuddenlyflewdowntowardscaughtitandflewaway.Thefrogstilltiedtothefootofthemousewasalsocarriedoffasa10prisonandhewaseatenbythehawk.
已知等差数列{an}的前n项和为Sn且S3=S5=15则S7=
已知集合A={﹣2﹣101}B={x|x=|n|n∈A}则A∩B=
Oneofthefeaturesofasuccessfulbusinessisitsabilitytoemploycreativitytoconstantlypushintonewterritory.Withoutgrowthandinnovationbusinesseseventuallyfadeaway.Thosewithstayingpowerhoweverhavemasteredanoften﹣overlookedfactorthatallowsthemtofocusonthefutureclearlyempathy共情.WhilethatmaysurprisemanyIamcertainthattheabilitytoconnectwithandrelatetoothers﹣empathyinitspurestform﹣istheforcethatmovesbusinessesforward. Thoughtheconceptofempathymightgoagainstthemodernconceptofatraditionalworkplacecompetitivetherealityisthatforbusinessleaderstoexperiencesuccesstheyneedtonotjustseeorheartheactivityaroundthembutalsorelatetothepeopletheyserve. Somemaythinktheywanttheresultsfromdoggedly顽强地pursuingtheirgoalswithoutmuchthoughtforotherpeople.Thisattitudeworksforsomebutatsomepointoftensoonerratherthanlatereveryoneneedstorelyontheirrelationshipsandestablishedpersonalandprofessionalconnections.Theserelationshipsaretheproductoftakinganhonestanddedicatedinterestinothersandtheirbusinesses.Successfulpeopledonotoperatealoneeachofusneedsthesupportofotherstoachievepositiveresultsthatpushustowardourgoals.Trueempathycombinesunderstandingboththeemotionalandthelogicalrationale根据thatgoesintoeverydecision. Effectivelyunderstandingempathyinvolvesviewingitaseachperson'sconnectiontothepeopleandmarketplacethatsurroundthem.Abiologicalprincipleknownasco﹣evolutionexplainsthattheadaptationofanorganismiscausedbythechangeofarelatedobject.Similarlybusinessesandtheirleadersparticipateinco﹣evolution﹣typerelationships.Businesssuccessdependsonempatheticleaderswhoareabletoadaptbuildonthestrengthsaroundthemandrelatetotheirenvironment.Whenbusinessesfailitisoftenbecauseleadershavestoppedfocusingonunderstandingtheirenvironmentandinsteadstayseparatedintheirownoperations.Successfulbusinessleadersarereceptivetodisturbanceandawareofwhatisgoingonintheirorganizationsbothinternallyandexternally. Todevelopaneffectiveworkforcewemustbewillingtogiveinandmeetpeoplewheretheyare.Thiscanbefrustratinganduncomfortableparticularlywhenyoufeellikeyourpositionmakesmoresenseoroffersabettersolution.Acriticalpartofdevelopingempathyhoweverislearningtounderstandrespectandimplementanotherindividual'spointofviewratherthanforcingyourown. 1Intheauthor'sopinionifacompanywantstoachievesuccessitmust. A.frequentlydevelopinnewareas. B.alwaysstaypureandpowerful. C.concentrateonitsfuturedevelopment. D.valuemuchthoughtforothers. 2Itcanbeinferredfromthepassagethat. A.empathygenerallydependsonlogicalreasons. B.supportsfromothershelptoachieveambitions. C.competitionrarelyexistsintraditionalworkplaces. D.strivingforgoalsonone'sownisthekeytosuccess. 3Whichofthefollowingexamplescanbestillustratetheco﹣evolutionprinciple? A.Thebossistoooccupiedtorealizethathisemployees'incomeisbelowtheaverage. B.Theheadofthenewsagencyofferslittlebonustothejournalistswhoworkextrahours. C.Theprincipalpromisesflexibleworkinghoursaftertheschoolmovestothecountryside. D.Thefactorydirectorinsistsonincreasingtheoutputdespitethedecliningmarketdemand. 4Whatcanbethebesttitleofthispassage? A.EmpathyandBusinessSuccess. B.TheFormationofEmpathy. C.EmpathyandAggressiveness. D.TheImportanceofEmpathy.
已知等差数列{an}的公差为2若a1a3a4成等比数列Sn是{an}的前n项和则S9等于
Teenagerswhotalkonthephonealotandholdtheircellphonesuptotheirrightearsscoreworseononetypeofmemorytest.That'sthefindingofanewstudy.Thatmemorydamagemightbeoneside﹣effectoftheradiationthatphonesusetokeepusconnectedwhilewe'reonthego. Nearly700Swissteenstookpartinatestoffiguralmemory.ThistypehelpsusrecallabstractsymbolsandshapesexplainsMilenaFoerster.She'sanepidemiologist流行病学家.SheworkedonthestudyaspartofateamwhileFoersterwasattheSwissTropicalandPublicHealthInstituteinBaselSwitzerland.Teensparticipatedmemoryteststwiceoneyearapart.Eachtimetheyhadoneminutetomemorize13pairsofabstractshapes.Thentheywereshownoneitemfromeachpairandaskedtomatchitwithoneoffivechoices. Thestudyvolunteersalsotookatestofverbalmemory.That'stheabilitytorememberwords.Thetwomemorytestsarepartsofanintelligencetest. Theresearchersalsosurveyedtheteensonhowtheyusemobilephones.Andtheygotcallrecordsfromphonecompanies.Theresearchersusedthoserecordstoestimatehowlongtheteenswereusingtheirphones.Thisallowedtheresearcherstocalculatehowbigaradiationexposureeachpersoncouldhavegottenwhiletalking. AllcellphonesgiveoffenergyintheformofradiofrequencyelectromagneticfieldsorRF﹣EMFs.RadioandTVbroadcastsalsousethistypeofenergy.Sodomicrowaveovensandsomeothergadgets配件. Foraphonethatenergycarriesinformationintheformofcallsortextsbetweenphonesandcellphonetowers.Thatradiationalsocantravelintopeople'sbodiesastheyusetheirphones.Andsomeofitsenergycanbeabsorbedbythebody.SofarscientistshavenotshownthatradiationfromphonescausesharmsaystheFederal CommunicationsCommission.Researchisongoingthisagencynotes. 1Whateffectsmaytheradiationhaveonteenagers? A.Itmaybebadfortheireye﹣sight. B.Theirmemorymaybedamaged. C.Theymaygetlostwhiletheyareonthego. D.Theymaykeepconnectedwithsomestrangers. 2Howdidthescientistsdrawaconclusionontheside﹣effectoftheradiation? A.Byexperiment. B.Bylogicality. C.Byimagination. D.Byreference. 3Whatdidtheresearcherswanttoknowfromphonecompanies? A.Whattheteensconcentratedon. B.Whotheteenswereconnectingwith. C.Howmuchtheteenswerespendingonphones. D.Howmuchradiationexposureeachpersongot. 4WhatcanweknowfromthewordsoftheFederalCommunicationsCommission? A.It'sunclearwhetherradiationfromphonescausesharm. B.People'sbodieswillabsorbenergywhentheyarecalling. C.People'sclothescanpreventtheradiationharmingtheirbodies. D.Theradiationtravelingintopeople'sbodiesdoesharmtotheirhealth.
Thegoodcommunicationbetweenparentsandchildrenareveryimportant.Ifwedon'tcommunicatewithourparentsproperwemayfinditdifficultytogettheirsupportwhenweareinneedofhelp.Howshouldwedotoimproveourcommunicationwithourparents?Firstlyweshouldlistentoourparentspatientlywhentheygiveusadvices.Theiradvicecanserveasshortcuttosolveyourproblems.Secondlyweshouldbehonestwithourparents.Ifwedisagreewiththemweshouldletthemtoknow.Lastbutnotleastweshouldalwaystrustedourparentsandseethemasourfriends.Itisalwayseasyforustocommunicatingwithfriends.
函数fx=2sin﹣3x的最小正周期为.
PeteRosethefamousbaseballplayerwhomIhavenevermettaughtmesomethingsovaluablethatitchangedmylife.PetewasbeinginterviewedinspringtrainingtheyearhewasabouttobreakTyCobb'sall﹣timehitsrecord.OnereporteraskedPeteyouonlyneed78hitstobreaktherecord.Howmanyat﹣ bats轮到击球doyouthinkyou'llneedtogetthe78hits?WithouthesitationPetesaid78.ThereporteryelledbackAhcomeonPete.Youdon'texpecttoget78hitsin78at﹣batsdoyou? Mr.Rosecalmlysharedhisruleinlifewithallthereporterswhowereanxiouslyawaitinghisreply.EverytimeIstepuptotheplateIexpecttogetahit!IfIdon'texpecttogetahitIhavenorighttostepinthebatter'sboxinthefirstplace!IfIgouphopingtogetahitthenIprobablydon'thaveaprayerofgettingahit.Itisthepositiveexpectationthathasgottenmeallofthehitsinthefirstplace. WhenIthoughtaboutPeteRose'sruleandhowitwasappliedtoeverydaylifeIfeltalittleembarrassed.AsabusinesspersonIwashopingtomakemysalesmeetthequotas定额.AsafatherIwashopingtobeagooddad.AsamarriedmanIwashopingtobeagoodhusband.ThetruthwasthatIwasanadequatesalespersonIwasnotsobadasafatherandIwasanokayhusband.Iimmediatelydecidedthatbeingokaywasnotenough!Iwantedtobeagreatsalespersonagreatfatherandagreathusband.Ichangedmyattitudetooneofpositiveexpectationsandtheresultswereamazing.IwasfortunateenoughtowinafewsalestripsIwonCoachoftheYearinmyson'sbaseballleagueandIsharedalovingrelationshipwithmywife!ThanksMr.Rose! 1WhichofthefollowingsayingscanmostappropriatelybeusedtodescribeMr.Rose'srule? A.Hewhodoesn'twanttobeageneralcan'tbeagoodsoldier. B.Beforeeverythingelsegettingreadyisthesecretofsuccess. C.Ifyouworkhardenoughyourdreamswillcometrue. D.Romewasnotbuiltinoneday. 2WhatcanbeinferredaboutPeteRosefromthepassage? A.Hewasgeneroustoshareallhisruleswitheveryone. B.Hegotallthehitshewantedbecauseofgoodluck. C.Hesethimselfagoalofbeingthebest. D.Helikedtodreamofsomethingimpossible. 3BysayingIwasanadequatesalespersoninPara.3thewriterprobablymeans. A.hecouldmakeadequatemoneyasasalesperson B.hedidn'tdoanexcellentjobasasalesperson C.hewasgoodenoughtobeasalesperson D.heknewhowtosellgoodsinaproperway
已知函数fx=x﹣1ex﹣alnx在上单调递减则a的取值范围是
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已知向量满足且则的夹角为
在△ABC中角ABC的对边分别为abca﹣b+ca+b﹣c=bc. 1求A 2若A+B=Cb=1求△ABC的周长.
EverybodyseemstopaymoreattentiontomylittlesisterLisa.I've1enoughofthisbig﹣sisterthing! SoIdecideto2withmyfavoritetoysandother3likeclothes.Mother4myrunningaway.Howevershe'snotasupsetasshe5beAreyougoingtoGrandma's?Ican'tbelieveshecaneven6thisout.She'slikeawitch! Idon't7herandgoout.So8onmyleavingI'munawaremotheris9me.FinallyIgettoGrandma's.10Ievenknockthedooropens.IrealizeMotherhas11ahead. Mothercomesinandsitsdownpattingherthigh大腿Comehere.Idon'twanttobutI'mhotandtiredsoI12herthigh.Shepushesmyhairbehindmyearandasks13Dearwhyhaveyouleft?AnditallcomesoutIt's14andallthetimewithLisaIgetintotrouble… Takingmyfaceinherhands.MumsaysIdon'twantyoutobeso15.Ifit'shardforyou.I'llcalltheorphanageandsendherawaytomorrow.Istartto16andIbegherNo.Don'tsendheraway!Seeming17Motheragrees. 18wheneverwehavean19ifIsayMumLisa'sbeingmeantome! MumsmilesYouhadyour20. 1A.seen B.had C.done D.thought 2A.argue B.move C.talk D.leave 3A.necessities B.facilities C.valuables D.tools 4A.monitors B.enjoys C.ignores D.notices 5A.could B.must C.should D.would 6A.put B.take C.bring D.figure 7A.forgive B.answer C.watch D.accept 8A.keen B.dependent C.focused D.impressed 9A.seeking B.following C.missing D.scolding 10A.Before B.When C.Until D.After 11A.called B.arrived C.known D.asked 12A.pushaway B.falloff C.geton D.holdonto 13A.quickly B.impatiently C.unhappily D.gently 14A.unimportant B.improper C.unfair D.impolite 15A.ridiculous B.sad C.unconfident D.nervous 16A.cry B.laugh C.nod D.jump 17A.puzzled B.unsatisfied C.exhausted D.unwilling 18A.Afterwards B.Instead C.Frankly D.Generally 19A.discussion B.plan C.quarrel D.choice 20A.life B.chance C.experience D.fortune
WantedSomeoneforaKiss We'relookingforproducerstojoinusinthesecondofLondon100FM.You'llworkonthestation'smusicprogrammes.Musicproductionexperienceinradioisnecessaryalongwithrichknowledgeofmoderndancemusic.Pleaseapply申请inwritingtoProducerVacanciesKiss100. FatherChristmas We'relookingforaveryspecialpersonpreferablyover40tofillourFatherChristmassuit. WorkingdaysEverySaturdayfromNovember24toDecember15andeverydayfromDecember17toDecember24exceptSunday1030﹣1600 Excellentpay. Pleasecontact联系theEnterpriseShoppingCenterStationParadeEastbourne. AccountantsAssistant WhenyoujointhetheminourRevenueAdministrationUnityouwillbeprovidingassistancewithinallpartsoftheRevenueDivisiondealingwithpostandothergeneralduties.IfyouareeducatedtoGCSEgradeClevelwewouldliketotalktoyou.Thispositionisequallysuitableforaschoolleaverofforsomebodywhohasofficeexperience. WealdenDistrictCouncil SoftwareTrainer Ifyouareaged24﹣45andhaveexperienceinteachingandtrainingyoucouldbethepersonwearelookingfor.Youshouldbegoodatthecomputerandhavesomeexperienceinprogrammewriting.Youwillbeallowedtomakeourdecisionandtodesigncoursesaswellaspresentthem.Payupwardsof£15000fortherightperson.PleaseapplybysendingyourCV简历toMrsR.OgliviePalmlaceLimited. 1Whoshouldyougetintouchwithifyouhopetoworkinaradiostation? A.ProducerVacanciesKiss100. B.MrsR.OgliviePalmlaceLimited. C.TheEnterpriseShoppingCentre D.WealdenDistrictCouncil. 2WelearnfromtheadsthattheEnterpriseShoppingCentreneedsapersonwho. A.isagedbetween24and40 B.maydosometrainingwork C.shoulddealwithgeneralduties D.canworkforaboutamonth 3Whichpositionisopentorecentschoolgraduates? A.ProducerLondonKiss. B.FatherChristmas. C.AccountantsAssistant D.SoftwareTrainer 4WhatkindofpersonwouldprobablyapplytoPalmaceLimited? A.OnewithGCSEgradeClevel. B.Onewithsomeofficeexperience. C.Onehavinggoodcomputerknowledge D.Onetrainedinproducingmusicprogrammes.
假定你是李华来自高一4班.请你代表班级写封邮件给下周四即将回国的外教Johnson先生邀请他参加7月20日晚上7点为其出色的教学而举办的欢送晚会. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯 3.邮件的开头和结尾己给出不计入总词数. DearMr.Johnson Yours LiHua
直线x+y﹣5=0的倾斜角为
为了研究广大市民对共享单车的使用情况某公司在我市随机抽取了100名用户进行调查得到如下数据 认为每周使用超过3次的用户为“喜欢骑共享单车”. 1分别估算男女“喜欢骑共享单车”的概率 2请完成下面的2×2列联表并判断能否有95%把握认为是否“喜欢骑共享单车”与性别有关. 附表及公式其中n=a+b+c+d.
已知函数fx=2xlnx﹣mx. 1若m=0求曲线y=fx在x=1处的切线方程 2若函数fx在[1e]上的最小值为﹣e求m的值.
某学校有2200名学生现采用系统抽样方法抽取44人将2200人按12…2200随机编号则抽取的44人中编号落在[101500]的人数为
ChoosingtheRightPathtoBeaBetterPerson Lifeisaconstantexerciseinself﹣improvement.Intherushtoachievetheideaofbeingbettercanbecomelostsometimes.Youmayalwayswonderhowtoimproveyourselfandfulfillyourdreamsinaneasierway.1 Exploreyourtalents. Everybodyhassomeoutstandingskillsorinterests.Soit'softennecessarytobepatientandtrymanythingsbeforeyoufindonethatsuitsyou. 2Forexamplepeoplelovingadventuremaynotbeinterestedinthequietchessclubbutsomeonewhoenjoysotherquietactivitiesmightbe.Determiningwhoyouenjoybeingaroundmayhelpyouknowwhatyou'llenjoy. 3 Nomatterhowmuchmoneyyoumakeyouwillnotbehappyifyouspendyourentirelifedoingsomethingyouhate.It'simportanttoatleastdevotesomeofyourtimetowhatmakesyouhappy. Ifyou'reparticularlyunhappyatyourjobconsiderwhy.4Ifyoufeelyourjobisn'tmeaningfulorisn'tinlinewithyourvaluesconsiderfindinganotherjob. Experiencesomethingnew. Researchhasshownthatwhenwe'reinourcomfortzonewearen'tasproductiveaswearewhenwestepjustbeyondit.5Becauseofthatwemayreactslowlytoourownpositiveexperiences.It'simportanttohavenewexperiencesandinteractionswithothersevenwhenthosearealittlescary.Doingsocanhelpyouachievemore. A.Dowhatyoulove. B.Herearesometipsforyou. C.Registerinaclassyou'reinterestedin. D.Humansadaptveryquicklytopositiveevents. E.It'spossiblethatsomechangesmaychangeyourfeeling. F.Similartypesofpeoplemaybeattractedtothesameactivities. G.Trynottoallowyourselftofocussomuchonacertainaspectofyourlife.
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