首页
试卷库
试题库
当前位置：
X题卡
>
所有题目
>
题目详情
某同学利用如图所示电路测电压表内阻．所用实验器材有：电源E（内阻不计），电阻箱R（最大阻值为9999Ω），待测电压表，开关S，导线若干． 实验时，先按电路图连好器材，调节电阻箱接入电路阻值，将相...
查看本题答案
包含此试题的试卷
高三下学期物理《》真题及答案
点击查看
你可能感兴趣的试题
在用电流表电压表测小灯泡额定功率的实验中已知小灯泡标有3.8V字样小刘同学正确连接好实验电路如图所示
电压表是测定电路两端电压的仪表理想电压表的内阻可视为无限大但实际使用的电压表的内阻并不是无限大.为了
某同学要用电阻箱和电压表测量某水果电池组的电动势和内阻考虑到水果电池组的内阻较大为了提高实验的精度需
实际电压表内阻并不是无限大可等效为理想电流表与较大的电阻的串联.现要测量一只量程已知的电压表的内阻器
某同学准备测定一只量程已知的电压表的内阻.器材如下:A.待测电压表量程3V内阻未知B.电流表量程3A
有一个小灯泡上标有4V.2W的字样现要描绘这个灯泡的伏安特性图线.有下列器材供选用A.电压表0～5V
某同学用一个定值电阻R.两个开关一个电压表和若干导线连成一个测量电源内阻的实验电路如图所示已知电压表
某同学用一个定值电阻R两个开关一个电压表和若干导线连成一个测量电源内阻的实验电路如图所示已知电压表的
某同学利用如图a所示电路测量一个量程为0﹣3V内阻约3kΩ的电压表V1的内阻Rx所用的实验器材有待测
要测量一个量程已知的电压表的内阻所备器材如下A.待测电压表V.量程3V内阻未知B.电流表A.量程3A
在用电流表和电压表测电阻的实验中所用的电源电压为6V待测电阻约为15Ω1甲同学连接的部分电路如图所示
要测量一个量程已知的电压表的内阻所备器材如下A.待测电压表V.量程3V内阻待测B.电流表A.量程3A
某同学准备测定一只量程已知的电压表的内阻.器材如下:A.待测电压表量程3V内阻未知B.定值电阻R.0
在测定金属的电阻率的实验中某同学进行了如下操作1用毫米刻度尺测量接入电路中的金属丝的有效长度l再用螺
要测量一个量程已知的电压表的内阻所备器材如下A.待测电压表V.量程3V内阻未知B.电流表A.量程3A
某同学设计了如图所示的电路测电源电动势E.及内阻r和R1的阻值实验器材有待测电源E.待测电阻R1电压
案例 伏安法测电阻实验课实验室提供的器材有待测电阻阻值为25kΩ电流表量程为500μA内阻
要测量一只量程已知的电压表的内阻所备器材如下A.待测电压表V量程3V内阻未知B.电流表A量程3A内阻
小明同学听老师说电压表也有电阻且它的电阻值很大．小明问老师能否用实验方法测电压表的内阻老师赞扬了小
12.11分某同学准备测定一只量程已知的电压表的内阻.器材如下A.待测电压表量程3v内阻未知B.电流
热门试题
更多
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
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.
beaccessibletobeaddictedtoputupwithcomeaboutglance…througheverytime 1Thebuildingthedisabledpeopleasithasnosteps. 2Thataccidentwasfrighteningbutnobodyknowshowit. 3CommercialadvertisementisoneofthethingsthatweredifficultwhenwatchingTV. 4Hepoemsandhopedtobeapoetoneday. 5theaccountshefoundtheenoughevidenceofthebribery.
假定你是李华为了帮助参加一带一路交流项目的来华留学生更好的了解中国的传统文化你所在的学校决定周末组织留学生参观附近一处瓷器小镇.请给你的朋友Paul写一封邮件邀请他参加内容包括 1.写信目的 2.体验项目 3.相关事宜. 注意 词数100词左右. 可适当增加细节以使行文连贯. 参考词汇一带一路OneBeltOneRoad瓷器china DearPaul. HowiseverythinggoinghereinChina?
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.
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.
为了测量某山如图所示的高度甲在山顶A测得C处的俯角为45°D处的俯角为30°乙在山下测得CD之间的距离为400米．已知BCD在同一水平面的同一直线上求山高AB．可能用到的数据≈1.414≈1.732
Theaimoftheseexperimentswastofindtheconnectionifanybetweenthetwo现象.
Differentweathermakespeoplefeeldifferent.Itinfluences影响healthintelligence智力andfeelings. InAugustitisveryhotandwetinthesouthernpartoftheUnitedStates1.IntheNortheastandtheMiddleWestitisveryhotatsometimesandverycoldatothertimes.PeopleinthesestateshavemorehearttroubleaftertheweatherchangesinFebruaryorMarch. Theweathercanalsoinfluenceintelligence.Forexampleina1983reportbyscientistsIQ智商ofagroupstudentswereveryhighwhenaverystrongwindcamebutafterthestrongwindtheirIQwas10%lower2.Veryhotweatherontheotherhand另一方面canmakeitlower.StudentsinmanyschoolsoftheUnitedStatesoftengetworseonexamsinthehotmonthsoftheyearJulyandAugust. Weatheralsohasastronginfluenceonpeople'sfeelings.Wintermaybeabadtimeforthinpeople.Theyusuallyfeelcoldduringthesemonths.Theymightfeelunhappyduringcoldweather3.Theyevendon'tliketooutdooractivities. Lowairpressure气压maymakepeopleforgetful4.Thereisagoodweatherforworkandhealth.Peoplefeelbestatatemperatureofabout18centigrade摄氏度. Areyoufeelingsadtiredforgetfulorunhappytoday?5. A.Itmaybetheweather'sproblem. B.Warmweathercanhaveabadeffectonhealth. C.Thewindcanhelppeoplehavehigherintelligence. D.Butfatpeoplemayhaveahardtimeinhotweather. E.Peoplemayhavehigherintelligencewhenlowairpressurecomes. F.Peopleleavemorebagsonbusesandinshopsonlow﹣pressuredays. G.Peopletherehavehearttroubleandotherkindsofhealthproblemsduringthismonth.
Thegoodcommunicationbetweenparentsandchildrenareveryimportant.Ifwedon'tcommunicatewithourparentsproperwemayfinditdifficultytogettheirsupportwhenweareinneedofhelp.Howshouldwedotoimproveourcommunicationwithourparents?Firstlyweshouldlistentoourparentspatientlywhentheygiveusadvices.Theiradvicecanserveasshortcuttosolveyourproblems.Secondlyweshouldbehonestwithourparents.Ifwedisagreewiththemweshouldletthemtoknow.Lastbutnotleastweshouldalwaystrustedourparentsandseethemasourfriends.Itisalwayseasyforustocommunicatingwithfriends.
ScottandDanielHarryareenjoyingeverydaytaskslikeshoppingandwashingforthefirsttimefollowingtheirmovetoanaccommodation住宿supporthouseinKurwongbahnorthofBrisbanelastyear. DisabilityServicesQueensland'sStrengtheningNon﹣GovernmentOrganisationsprojectprovidedanaccommodationsupportmodelthatwouldenableresidents居住者likeDanielandScotttolivemoreindependently. Thehouseisjustoneofmanyaccommodationsupportservicesfunded资助throughtheproject.Thefive﹣bedroomhouseprovides24﹣hourcareforuptofourindividualswithcomplexneedsincludingmedicalsupport.Careandstaffinglevelsarevariedandflexibledependingoneachresident'srequirements. ScottandDanielwhohaveasevereformofDuchenneMuscularDystrophyrequire24﹣hoursupportinallactivitiesofdailyliving.Beforetheymovedtothehousetheylivedwiththeirfamily.Scottsayslivingathomewasdifficultasitplacedaphysicalandemotionalstrain负担ontheirparentswhohadtowakethemseveraltimeseachnighttorepositionthemorplacethemonbreathingmachines. WewereheavyheartedsaysScottwhoisplanningtowriteabookabouthislifeexperiences.Butourparentsnowhavealotmoretimeforthemselves.Wenowmanageourselvesonaday﹣to﹣daybasis. Danielisanenthusiasticgardenertakingcareofhisownvegetablegarden.Themensharethehousewithoneotheryoungmanandtheygotorugbyleaguegamesmeetingupwithfriends. LeedingCareAustraliaprovidesthecareserviceatKurwongbah.ManagerLeeGarnisssayssettingupthefacilities设施hasnotbeenwithoutitschallenges. ItisanunconventionalmodelofcareLeesays.ThehomeisScottandDaniel'shomehoweveritisalsoaworkplacefortheirsupportstaff.Balancingthesetworequirementshasbeenachallengeforall. Wehaveexperiencedabitofalearningphaseoverthelasttwelvemonths.HoweverbyworkingasateamwetryourbesttomeettheneedsofbothresidentsandstaffandIthinkwehaveachievedtherightbalance. 1WhatdoweknowaboutthehouseScottandDanielliveinnow? A.Itwasbuiltbytheirparents. B.Itcanaccommodatefourresidents. C.Itbelongstoagovernmentalproject. D.It'slocatedinthecenterofBrisbane. 2WhydidScottandDaniel'sparentswakeupfrequentlyatnight? A.Tohelpthemdoexercise. B.Theyweremakingalotofnoise. C.Tocheckontheirbreathing. D.Theywereunderemotionalpressure. 3HowdidScottfeelwhilelivingwithhisparents? A.Abitguilty. B.Quitehappy. C.Veryproud. D.Slightlyangry. 4Whatwasachallengewhilesettingupthefacilities? A.Lackoffund. B.Noworkplace. C.Inexperiencedstaffmembers. D.Satisfyingbothstaffandresidents'needs.
如图已知⊙O是△ABC的外接圆且BC为⊙O的直径在劣弧上取一点D使＝将△ADC沿AD对折得到△ADE连接CE． 1求证CE是⊙O的切线 2若CE＝CD劣弧的弧长为π求⊙O的半径．
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
Achildcanbemolded塑造inthewaythatyouwanthimorhertobe.Forgivingthebesteducationtothechilditisveryimportanttoteachhimorherinapositiveatmosphere.1.Sotoletayoungchildhavepatienceisveryimportant. Todothisfirstofalleducatorsneedtoestablishasenseoftrustforchildren.2.Howeverasthechildgrowsitbecomeseasiertointroducethepracticeofpatience.Itisoftenseenthatachildisabletopracticelearningpatiencewithapositiveattitude.Teachingthelessonsofpatiencetochildrencanbemilestonesofdevelopmentofdifferentagelevelsofchildren.3. Ifyoureallywanttoteachyourkidthesebasicqualitiestherearesomanycreativewayswhichmighthelpyou.4.Ifparentsstarttellingthempatienceintheirday﹣to﹣daylifechildrendocatchitandimplement实施itintheirlives.Babiescansenseseeandhearreactions.Smallchildrenarealreadyveryawareoftheirsurroundingsandmoresensitivetoactionsandreactionsadultsmake. Parentscanshowthemexamplesofenduringpatienceandintroducethemtofamouspeople.5.Teachthemhowtohandlethesituationswithmorepatiencesothattheycanbecomeabetterpersonlateron. A.Howcanyouteachpatiencelessonstoachild? B.Everyparentdreamshischildcanpracticeabitofpatience. C.Italsoreflectswhatachildisabletodoandcannotyetdo. D.Followingheroes'lifestylescouldbeaninterestingmethodtoo. E.Itisdifficulttoteachachildhowtohavepatiencewhenheisyoung. F.Childrenreallylikedoingwhatevertheywanttodowithoutbeinginstructed. G.Thebestwaytosowtheseedsofpatienceinchildrenisthroughtheirparents.
已知向量满足且则的夹角为
Itisatruethatyoucan'tjudgeabookbyitscover.
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
某种机器使用若干年后即被淘汰该机器有一易损零件为调查该易损零件的使用情况随机抽取了100台已被淘汰的这种机器经统计每台机器在使用期内更换的该易损零件数均只有891011这四种情况并整理了这100台机器在使用期内更换的该易损零件数绘制成如图所示不完整的条形统计图． 1请补全该条形统计图 2某公司计划购买一台这种机器以及若干个该易损零件用上述100台机器更换的该易损零件数的频率代替一台机器更换的该易损零件数发生的概率． ①求这台机器在使用期内共更换了9个该易损零件的概率 ②若在购买机器的同时购买该易损零件则每个200元若在使用过程中因备用该易损零件不足再购买则每个500元．请你帮该公司用花在该易损零件上的费用的加权平均数进行决策购买机器的同时应购买几个该易损零件可使公司的花费最少
YouprobablyknowwhoMarieCuriewasbutyoumaynothaveheardofRachelCarson.Oftheoutstandingladieslistedbelowwhodoyouthinkwasthemostimportantwomanofthepast100years? JaneAddams1860﹣1935 AnyonewhohaseverbeenhelpedbyasocialworkerhasJaneAddamstothank.Addamshelpedthepoorandworkedforpeace.Sheencouragedasenseofcommunity社区bycreatingsheltersandpromotingeducationandservicesforpeopleinneedIn1931AddamsbecamethefirstAmericanwomantowintheNobelPeacePrize. RachelCarson1907﹣1964 Ifitweren'tforRachelCarsontheenvironmentalmovementmightnotexisttoday.Herpopular1962bookSilentSpringraisedawarenessofthedangersofpollutionandtheharmfuleffectsofchemicalsonhumansandontheworld'slakesandoceans. SandraDayO'Connor1930﹣present WhenSandraDayO'ConnorfinishedthirdinherclassatStanfordLawSchoolin1952shecouldnotfindworkatalawfirmbecauseshewasawoman.ShebecameanArizonastatesenator参议员andin1981thefirstwomantojointheU.S.SupremeCourt.O'Connorgavethedecidingvoteinmanyimportantcasesduringher24yearsonthetopcourt. RosaParks1913﹣2005 OnDecember11955inMontgomeryAlabamaRasaParkswouldnotgiveupherseatonabustoapassenger.HersimpleactlandedParksinprison.ButitalsosetofftheMontgomerybusboycott.Itlastedformorethanayearandkickedoffthecivil﹣rightsmovement.TheonlytiredIwaswastiredofgivinginsaidParks. 1WhatisJaneAddamswell﹣﹣knownforinhistory? A.Hereffortstowinaprize. B.Herlackofpropertraininginlaw. C.Hersocialwork. D.Hercommunitybackground. 2WhatisthereasonforO'Connor'sbeingrefusedbythelawfirm? A.Herlackofpropertraininginlaw. B.Herlittleworkexperienceincourt. C.Thediscriminationagainstwomen. D.Thepoorfinancialconditions. 3Whomadeagreatcontributiontothecivil﹣rightsmovementintheUS? A.JaneAddams. B.RosaParks C.SandraDay D.RachelCarson. 4Whatcanweinferaboutthewomenmentionedinthetext? A.Theyarehighlyeducated. B.Theyaretrulycreative. C.Theyarepeace﹣lovers. D.Theyarepioneers.
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.
Celebrities名人likeOliviaMunnaswellasfashioncompanieslikeCucciandVersaceareamongthosewhohavebeenopposed1wearinganimalfur.NowSanFranciscohasbecomethe2largecityintheUSAtobanretailersfromsellingnewfurtotheircustomers. Thebanaimstosend3strongmessagetothefurindustry4thecrueltytheseanimalsendureforthepurposeof5becomeclothingisnotconsistentwiththevalueofthecity. AsweallknowWestHollywoodbecamethefirstAmericancity6forbidthesaleofnewfuritemsin2011andBerkeleypassedabanonthesaleoffurclothingin2017.Additionallyin2000theUKledthecharge打头阵7followbyAustraliain2004.MorerecentlytheNetherlandstheEuropeanUnion'smaproduceroffurbannedfurfarmingin2012andplanstoendmink貂farmingby2024.In2018Norwaybannedfurfarmsand8endfoxandminkfarmingby2025. Hopefullyonlywheneffortslikethesearemadetoencourage9consumetostopbuyingrealanimalfur10thelivesofanimalsbefurtherprotectedallovertheworld.
热门题库
更多
高二下学期数学
高二上学期化学
高二下学期物理
高三下学期物理
高三上学期物理
高三上学期生物
高三上学期化学
高二下学期化学
高二下学期生物
高三下学期生物
高三下学期化学
高三上学期英语
高二下学期英语
教案备课库
高三下学期英语
教案备课库
湘公网安备 43130202000226号