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图甲为欧姆表的电路原理图,可将欧姆表内部(图中虚线框内)等效为一电源.设计图乙电路测量欧姆表某挡位的电动势与内阻,具体操作如下: A.将欧姆表的 旋至某挡位,a、b两表笔短接,调节调苳旋钮进...
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绘图题画出欧姆表原理图
右图是一个将电流表改装成欧姆表的示意图此欧姆表已经调零用此欧姆表测一阻值为R的电阻时指针偏转至满刻度
4R
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16R
欧姆表是根据的原理制成的
欧姆定律
闭合电路欧姆定律
库仑定律
楞次定律
2016·广西来宾调研9分某同学用以下器材接成如图甲所示的电路并将原微安表盘改成如图乙所示的欧姆表盘
图甲为欧姆表的电路原理图可将欧姆表内部图中虚线框内等效为一电源.设计图乙电路测量欧姆表某挡位的电动
为了测量一个欧姆表内部电源的电动势某同学仅利用提供给他的一个量程满足要求内阻约2千欧的电压表完成了测
1多用电表测未知电阻阻值的电路如图a所示电池的电动势为E.内阻为rR0为调零电阻Rg为表头内阻电路中
实验室里可以用欧姆表来直接测量电阻如图虚线框内是欧姆表的简化结构图它由灵敏电流表电源变阻器等组成在a
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图甲为欧姆表的电路原理图可将欧姆表内部图中虚线框内等效为一电源.设计图乙电路测量欧姆表某挡位的电动
图甲为欧姆表的电路原理图可将欧姆表内部图中虚线框内等效为一电源.设计图乙电路测量欧姆表某挡位的电动
图甲为欧姆表的电路原理图可将欧姆表内部图中虚线框内等效为一电源.设计图乙电路测量欧姆表某挡位的电动
在练习使用多用表时某同学将选择开关拨至×10Ω档时欧姆表的内部结构可简化成图甲中虚线框内的电路其中定
如左下图是欧姆表的原理图电流表的满刻度电流值是125微安电池的电动势是1.5伏若把表盘改画成欧姆数的
9.00分如图甲为欧姆表的电路原理图某兴趣小组认为欧姆表内部图中虚线框内可等效为一电源设计如图乙的
右图是一个将电流表改装成欧姆表的示意图此欧姆表已经调零用此欧姆表测一阻值为R的电阻时指针偏转至满刻度
4R
5R
10R
16R
如图所示是欧姆表的原理图电流表表量程是30mA电池的电动势是1.5V滑线变阻器R的作用是.该欧姆表中
某同学想通过一个多用电表中的欧姆挡直接去测量某电压表量程为10V的内阻大约为几十千欧该多用电表刻度盘
用欧姆表测电阻的优点是快捷方便缺点是读数不够精确尤其是当表内电池的电动势下降后测出的电阻值与真实值之
如图所示甲是两条通电直导线乙是研究自感现象的实验电路图丙是欧姆表的内部电路图丁图是电磁灶的原理图下列
甲图两直导线通以同方向的电流,它们将相互排斥
乙图电路通电稳定后又断开开关瞬间,灯泡A.中的电流方向向左
丙图在测量电阻前,需两表笔短接,调节R.
1
使指针指向0Ω
丁图是利用电磁感应引起涡流的原理来工作的
把一只量程为I.g=6mA内阻为rg=100Ω的电流表改装成欧姆表所用电池的电动势E=3V内阻可忽略
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Helpfulwaystodealwithaknow﹣it﹣allfriend Sometimeshavingafriendwhothinkssheknowseverythingandalwaysoffersherunsolicited主动提供的advicecanreallymakeoneupset.Butwithsomewaystodealwithknow﹣it﹣allyoucaneasilycopewiththatfriend.Alsoaknow﹣it﹣allfriendoftenactsasifshewerethebest.1 Trytounderstand.Theremaybeareasonwhyyourknow﹣it﹣allfrienddoesso.Maybeshehaslowself﹣esteem自尊orshesnothappyinherlife.2Thistipisveryimportantespeciallyiftheknow﹣it﹣allisyourbestfriend GiveheralittleattentionGivingalittleattentionisoneofthebestwaystodealwithaknow﹣it﹣allfriend.Showsomeenthusiasmaboutwhattheknow﹣it﹣allsaystogiveherenoughattention3Orthiscanleadtohergivingmoreunsolicitedadvice4Oftentheknow﹣it﹣allfriendcansaysomenot﹣so﹣nicethingsandthesethingsareusuallyaboutyou.Insteadofthinkingthatsomethingisnotokaywithyounevertakehercommentsandadvicepersonally.Ifyoudoso.youmayreallybegintobecomeunnecessarilyanxious. Haveatalkwithher.Ifyouresickandtiredofallthoseunsolicitedadvicecomerightoutwithit.Speakpolitelyanddon'tinsult辱骂her.Trytofindagoodtimetotalktoher.5.Tellyourknow﹣it﹣allfriendhowitmakesyoufeelandmaybeshewillrespondwell. A.Feelfreetoignoreherallthetime. B.Don'ttakehercommentspersonally. C.Howevermakesureyoudon'toverdoit D.Trynottogotothoseplaceswhereyouthinkshellbe D.Trynottogotothoseplaceswhereyouthinkshellbe E.Ifyouhavesuchafriendhereareafewtipsoncopingwithher F.Trytounderstandherandunderstandwhysheactsthewaythatshedoes. G.Youneedtoknowwhatyouregoingtosayandbesuretouseonlykindwords
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Leila'sHairMuseum Beforetheinventionofphotographypeoplekeptmemoriesoflovedonesbycreatingmementos纪念物usinghumanhair.In1986LeilaCohoonopenedamuseuminIndependenceMissouritoshowhercollectionofmorethan2000piecesofhair﹣basedartcollectedover30years.Billedastheonlyhairmuseumintheworlditincludesmorethan400braidedhairwreaths花环and2000piecesofjewellerydatingbacktothemid﹣1600s.Mymuseumisfilledwithotherpeople'sfamiliesLeilasays.Ittellsastory. InternationalUFOMuseumandResearchCenter OnJuly71947afarmerdiscoveredmysteriousmetallicdebris金属碎片inhisfarmoutsideRoswellNewMexico.RoswellArmyAirFieldRAAForiginallysaiditrecoveredaflyingdisc.ThenextdayRAAFchangeditswordsTheobjectwasaweatherballoon.StoriesofaUFOandagovernmentcover﹣upspread.Eachyear180000peoplecheckoutthedirtfromtheUFOcrashsitephotosandreportsabouttheRoswellincident. MuseumofBadArt Notallartiscreatedequal.Afterfindinganoilpaintingintherubbishin1993﹣thenowclassicLucyintheFieldwithFlowers﹣ScottWilsonstartedcollectingbadart.BeforelongheshowedhisfindsattheSomervillemovietheater.TheMuseumofBadArtMOBAgivesthepublicafirsthandlookatsomeoftheworld'sworstdisaster﹣pieces.PopularpaintingsincludeManaLisaHollywoodLipsandDrillingforEggs.MOBAisalwaysonthelookoutforthebestoftheworstsaidco﹣founderMarieJackson.Butwhatanartistconsiderstobebaddoesn'talwaysmeetourlowstandards. MutterMuseum WelcometotheMutterMuseuminPhiladelphiaPennsylvania﹣hometomorethan5000brainsbonesanddeadbodies!In1858Dr.ThomasDentMuttergavehiscollectionofpreservedbodypartsandbonestotheCollegeOfPhysicianstoimprovemedicaleducationwhichledtothemuseum'screationin1863.TodayMutteristhemostfamousmedicalmuseuminAmericahousingawallofbonesandpiecesofAlbertEinstein'sbrain. 1WhatisspecialaboutLeila'sHairMuseumA A.Itisfulloffamilystories. B.Ithousestheworld'sgreatestphotos. C.Itholdscollectionsfromaroundtheglobe. D.ItwasopenedtorememberLeila'slovedones. 2WhatcanyoufindintheMutterMuseumB A.PhotosabouttheRoswellincident. B.SomeofAlbertEinstein'sbrain. C.2000piecesofjewellery. D.ManaLisa. 3WhatdothefourmuseumshaveincommonD A.Theyarenewly﹣foundedmuseums. B.Theyareart﹣centered. C.Theyareunpopularamongvisitors. D.Theyarequiteunusual.
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AgroupofstudentsfromChina'sTibetAutonomousRegionsetoutfromLhasaonFridaytokickoffasportstourinBeijing. TheeightmiddleschoolstudentsfromDamxungCounty1locateinthenorthofLhasawillvisittheBird'sNestandWaterCube.Afterwardsthegroupwilltaketrainingclasseswithprofessionalfootball2coachfromSpain. Istartedplayingfootballinprimaryschoo1.NowI'malittlenervousbut3exciteaboutthejourney.It'smyfirsttime41eavemyhometownsaidsixteen﹣year﹣oldTeazinPhuntsok5addthattheplacehewantstovisitthemostinBeijingistheBird'sNest. Tenzinalongwith6hefellowstudentswasselectedfrommorethan60candidatesallof7arefromremoteregionsinTibet.ThetourtheyareabouttotakeisapartofFreeFootballforAll8projectlaunchedbySamaranchFoundationin2013.Inordertopromotefootballandthecountry'snewnationalfitnessprogramtheprojecthasorganizedfootballtrainingforyoungpeopleingrassrootsfootballleaguesacrossChina. SamaranchFoundation9foundin2012.Itisnamed10formerInternationalOlympicCommitteePresidentJuanAntonioSamaranch.
Squirrelsaren'tnaturalcitydwellers居民.In1986thesightofoneinatreenearNewYork'scityhallsosurprisedpassers﹣bythatanewspaperpublishedareportabouttheunusualvisitor. Aroundthattimethetree﹣dwellinganimalswerebeingsetfreeinAmerica'surbanareastocreatepocketsofpeaceandcalmlikethecountrysidesaysUniversityofPennsylvaniahistorianEtienneBensonwhostudiedourrelationshiptosquirrelsoverthecourseoffiveyears. FirsttheywereintroducedtoPhiladelphiathentoNewHavenBostonandNewYorkCity.Parkvisitorswereencouragedtofeedthemandsecurityguardsensuredtheirsafety.Inthe1910saleaderoftheBoyScoutsofAmericaanorganizationteachingboyspracticalskillssaidthatteachingchildrentofeedsquirrelscouldshowtherewardsoftreatingaweakercreaturewithsympathysaysBenson. Bytheearly20thcenturythoughAmericabegantoregretthefriendlinessithadshownsquirrels.Citieshadoncebeenfilledwithanimals﹣fromhorsespullinggoodstodairycows.Bythe1950sthoseworkinganimalshadbeenmovedtothecountryside.Petsandwildanimalssuchasbirdsandsquirrelswereallthatremainedoftheurbananimalkingdom. Beforelongpeople'senthusiasmforsquirrelsworeoffandtheystartedtoseethemasannoyances.Bythe1970smanyparksbannedfeedingthecreatures.Todayitisraretofindkidswiththeirparentsofferingfoodtosquirrelsunderatree.Andunfortunatelywithmoreandmorebuildingsbeingconstructedinthecityfewerinhabitable适宜栖息的areasareleftforthelittletree﹣dwellinganimals. WhatwouldbelostifthelastofthesecitydwellerswereforcedtoleaveIthinkthere'ssomethingconstructivetohaveotherlivingcreaturesinthecitythatarenothumansandnotpetsbutsharethelandwithussaysBenson.It'sagoodthingtoliveinalandscapewhereyouseeothercreaturesgoingaroundmakinglunch.It'sgoodforthesoul. 1What'sthepurposeofintroducingsquirrelstoPhiladelphiaD A.Toentertainparkvisitors. B.Tokeepthenaturalbalance. C.Toencouragekidstoprotectanimals. D.Tomaketheurbanlifemorepeaceful. 2WhatwastheBoyScoutsleader'sattitudetowardsfeedingsquirrelsC A.Disagreeable. B.Doubtful. C.Supportive. D.Uncaring. 3Whatmighthavehappenedtosquirrelsincitiesaroundthe1960sB A.Theymighthaveinhabitedmorehomes. B.Theymighthavebeguntogooutoffavor. C.Theymighthavebeenintroducedtomorecities. D.Theymighthavebeenmovedtothecountryside. 4WhatdoesBensonsuggestinthelastparagraphC A.Squirrelslivingincitiesareannoying. B.Feedingsquirrelsshouldbediscouraged. C.Squirrelsshouldbeallowedtoliveincities. D.Itispossibleforpeopletokeepsquirrelsaspets.
中国古代儒家要求学生掌握六种基本才艺礼乐射御书数简称“六艺”.某中学为弘扬“六艺”的传统文化分别进行了主题为“礼乐射御书数”六场传统文化知识的竞赛.现有甲乙丙三位选手进入了前三名的最后角逐.规定每场知识竞赛前三名的得分都分别为abca>b>c且abc∈N*选手最后得分为各场得分之和.在六场比赛后已知甲最后得分为26分乙和丙最后得分都为11分且乙在其中一场比赛中获得第一名则下列说法正确的是
孙悟空猪八戒沙和尚三人中有一个人在唐僧不在时偷吃了干粮后来唐僧问谁偷吃了干粮孙悟空说是猪八戒猪八戒说不是他沙和尚说也不是他.他们三人中只有一个说了真话那么偷吃了干粮的是.
已知函数fx对任意的x∈R都有2019fx+f'x<0且f1=e-2019那么不等式fx>e-2019x的解集为.
Adoverestedonatelephonewire.Readyfortakeoffitraisesitswingsspringsintotheairandflapsaway.Thisseriesofactionsissocommonthatyouprobablydonotpayitmuchattention.ButUniversityofManchesterbioinechanicalengineerBenParslewdoes.Heistryingtodesignrobotsthatcanjumplikebirds. Mostconventionalrobotsrollaroundonwheelslimitingmobility.ThereisaneedformoreagilerobotsthatcanjumpoverobstaclesinmessyenvironmentsParslewsays.TodesignsuchamachineheturnedtonatureBirdsarereallygoodjumpershenotes. Thetroubleiswhenbirdsstarttotakeofftheyleansofarforwardthattheyshouldtipoverandfallontotheirbeaks喙.Yetthatdoesnothappen.Parslewandhisteamusedcomputermodelingtodiscoverhowbirdsavoidthisfate.Theydiscoveredthatbirdstwisttheirbodiesslightlytowardsthebackwhileacceleratingintoajump.Theyalsohaveflexiblelegsandtoejointswhichpreventthemfromtakingoffbrieflyandimmediatelycrashingintotheground.TheresultwerepublishedlastOctoberinRoyalSocietyOpenScience. Parslewthinksengineerscanusethisinformationtodesignrobotsthatcannotonlyjumpwellbutalsolaunchintoflightmore.efficiently.UniversityofSouthernCaliforniabiomechanistMichaelHabibwhowasnotinvolvedinthestudysaysspringsandlevers杠杆enablemorerapidacceleration﹣thanwheelsdo.Andmanyanimalsaremastersofspringsandlevers. IfyoucanunderstandhowthatworksHabibaddsyoucanbuildarobotthat'sgoodatrunningaroundandgoodatflyinganditwillalsobegoodattakingoffsuddenlyinallkindsofconditionsandlandingonadime.Parslewisnowdesigningsucharobotasanalternativetowheeledroversforexploringotherplanets. 1WhatisrightaboutthedovementionedinParagraph1? A.Ittakesoffverybeautifully. B.Itcatcheseveryone'sattention. C.ItgivesBenParslewinspiration. D.ItraisesBenParslew'scuriosity. 2Whatcanwe﹣inferaboutthetraditionalrobots? A.Theycan'tjumpoverbarriers. B.Theycanonlymoveinonedirection. C.Theycan'tdetectbarriersbeforethem. D.Theycan'tadapttocomplexenvironments. 3Howdoesabirdavoidfallingwhentakingoff? A.Bygettingridofgravity. B.Byflappingitswingshard. C.Byspinningitsbodybackward. D.Byjumpingintotheairquickly. 4Whatisthemainideaofthetext? A.Birdsprovideinspiration.forhumans. B.Newrobotsthatcanjumphavebeencreated. C.Thedevelopmentofrobotsbenefitsspaceexp D.Studyingbirds'jumpinghelpsscientistbuildbetterrobots.
ChineseartisavisualartthatispracticedinChinaorbyChineseartists.TheChineseartofoverseasChinesecanalsobeviewed1partofChineseartbecauseitisbasedonChineseculture. Earlystoneageartdatesbackto10000BCmostly2consistofsimplepotteryandsculptures.AfterthatChineseartlikeChinesehistoryistypicallyclassifiedbydynasty3probablylastedseveralhundredyears. Chinesearthastheoldestcontinuoustraditionintheworld.SincetheRenaissancethedecorativeartshavebeen4extremeimportantinChineseartespeciallyinChineseceramics陶器. Differentformsofarthavechangedundertheinfluenceofgreatphilosophers5religionfiguresandevenpoliticalfigures.EarlyChinesepoetry6influencebytheBookofSongsandtheChinesepoetandstatesmanQuYuan. Chinesepaintingbecameahighly7appreciateartincludingawidevarietyof8stylesuchasMingDynastypainting.EarlyChinesemusicwasbasedonpercussion打击乐器whichlatergavewaytostringedinstruments.IntheHandynastypapercuttingbecame9newartformaftertheinventionofpaper.Chineseoperawouldalsobeintroducedandbranchedregionallyinadditiontoother10performformatssuchasvarietyshows.
已知椭圆的离心率为一个焦点在直线上直线l与椭圆交于PQ两点其中直线OP的斜率为k1直线OQ的斜率为k2. 1求椭圆方程 2若试问△OPQ的面积是否为定值若是求出这个定值若不是请说明理由.
Launchedin2015andduetoendin2020theSkillsforReconstructionprojectteachesNepalisinearthquake﹣hitareashowtobuilddisaster﹣resilienthouses.Theaimistohelpeasethecountry'slabourshortagewhilealsoarmingparticipantswithexperiencetheycalllaterusetofindjobsinconstruction. ThetrainingprojectisjointlyfinancedbytheNepalesegovernmentandtheSwissDevelopment.Sinceitslaunchithastrainedalmost9000peopleinthe14districtsmostseverelyaffectedbytheearthquakeandmostvulnerabletofutureclimatedisasters. Traineeshaverebuiltmorethan3000housesin10ofthosedistricts.Intheotherfourlimitedaccesstoremoteareasandashortageofskilledlabourerstorunthetrainingprogrammeshasstalledreconstruction. ManyofthenewhomeshavebeenbuiltusinghousinggrantsfromtheNationalReconstructionAuthority.InMakawanpurdistrictabout33250familiesarequalifiedtoreceivegrantsof﹩3000eachpaidoutinthreeshares. MostofthehousesdestroyedbytheearthquakeacrossruralNepalweremadeusingtraditionalmaterialsofwoodandstonewithnopillars柱子forsupport.Thedesignsprescribed规定bytheNRAfornewbuildingsaremorelikelytowithstandearthquakes.Builderscallchoosefromarangeofmaterialstechniquesanddesigns﹣fromatwo﹣storeystructuremadeofsteelandbrickstoatwo﹣roomhomeconstructedfromrubble.mudandwire. Peopleherehavemostlyfollowedtheone﹣ortwo﹣roommodelhomesAerisaid.Anyonelivingclosetoarivermustrebuildatleast20metresawayfromtheriverbanktoavoidfloodwatersreachingtheirhomesduringrainyseason.SomefamiliesinremoteareasthatthemasontrainingprogrammecouldnotreachhaverebuilttheirhomeswithoutfollowingtheNRA'sbuildingcodesandcriteria. 1Whatbenefitcantraineesgetfromthetrainingproject? A.Helpthemtofindjobs. B.Makealargesumofmoney. C.Avoidbeinginjuredinearthquakes. D.Ensurethemtoliveacomfortablelife. 2WhatdoestheunderlinedwordstalledinPara.3mean? A.Improved. B.Renewed. C.Stopped. D.Sped. 3WhatweremostoftheruralNepal'shousesdestroyedmadeof? A.Woodandstone. B.Woodandpillars. C.Steelandbricks. D.Mudandwire. 4WhatisAeri'sattitudetotheone﹣ortwo﹣roommodelhomes? A.Favourable. B.Disapproving. C.Unclear. D.Doubtful.
Haveyoueverheardthetermdarkrideandwondered1whatitmeantHowaboutflatrideLet'sexploresomeofthemorecommon2typestypeofrides. Adarkrideisanindustrytermforanyamusementparkorthemeparkridethatusesvehiclestosendpassengersintoanindoorenvironmentandthrough3aseriesofscenes.Ridevehiclestakemanyforms4includingincludecarsonatracktracklessvehiclesandboats5that/whichfloatinachannelofwater.Somedarkridesattempttotellastorywhileothersarejustacollectionofinterestingscenes. Aflatridereferstoattractionsatamusementparkscarnivalsfairsandthemeparksthattypicallyspinaround. They6usuallyusualincludeacircularplatformandareplacedontheground.Thetermisusedtorefertoalargenumberofrides.7Dependingdependontheirspeedandotherfeaturestheymayormaynotbeconsideredthrillrides.Generallykiddierides8areintendedintendforyoungriders.Morethrillingflatridesthatincludehighspeedsintheamusementindustryarecalledspin﹣and﹣spewspin﹣and﹣pukeorwhirl﹣andhurlrides. Amotionsimulatorrideusesseatsthatmovewithpoint﹣of﹣viewmediaprojectedontoascreen9toprovideprovideviewerswiththeillusion错觉thattheyaremovingandphysicallytakingpartintheaction.Mostmotionsimulatorridesarepresentedintheatersofvarioussizes.Althoughviewersnevermovemorethanafewinchesinany10directiondirecttheycanfeelasiftheyarespeedingwildlyandfree﹣fallingetc.
若z=则复数=
ThebestsummercampsforteensinNYC AsphaltGreenSummerDayCamp 555E90thStNewYorkJune27﹣Aug16pricesstartingat﹩4150 Youcanchoosebetweenaswimsportsorartscampwithexpertinstructors.Swimmerscanspendtheirtimewithendlesspooltimeyoungathleteswillbeintheirnaturalenvironmentastheyplaybasketballbaseballtennisandotherteamsportsandcreativescanexpressthemselvesinmanymediaincludingthecircusartsandfilm. TheNaturePlaceDayCamp 285HungryHollowRdChestnutRidgeJuly1﹣Aug9variousprices The200﹣acrecampisperfectforexploringthegreatoutdoors.Kidsgettheirhandsdirtyinthefarmlandgardensfieldsandponds.Besidestheymastervaluablefarmskillssuchasharvestingcropsandtakingcareofcutelittlechickens.FarmandGardenDaysofferyourchildrenevenmoreopportunitiestohelpwiththeharvestandanimalwork. CenterforArchitectureCamp 536LaGuardiaP1NewYorkJune24﹣Aug23﹩650/week YoungNewYorkerswhoneverstoptobeamazedbyskyscraperscanimagineandbuildtheirownmodels﹣afterthey'velearnedhowtohandlethedesignchallengesofreallytallstructures.Similarfive﹣dayprogramsexistfortreehousesandbridgesandotherofferingsallowfuturearchitectstostudydigitaldesignusing3﹣Dcomputermodelingorold﹣schoolfreehanddrawing. IndependentLakeCamp 70ClarkRdThompsonJune23﹣Aug25﹩3150﹣﹩4895 IndependentLakeCampisallaboutkidsdoingintheirway.Itcouldalsomeanbreakingawayfromthegrouptoridetherailsintheskateparkorholdontightonthegiantswing.Activitiesevenincludemagicsdigitalartslikebuildingyourowncomputerormakingyourowngameandcircusarts.Theatmospherehereisrelaxed. 1Whichcampissuitableforkidslovingharvestcrops? A.AsphaltGreenSummerDayCamp. B.TheNaturePlaceDayCamp. C.CenterforArchitectureCamp. D.IndependentLakeCamp. 2WhatistheprimaryfocusforCenterforArchitectureCamp? A.Models. B.Treehouses. C.Structures. D.Drawing. 3WhatisuniqueaboutIndependentLakeCamp? A.Itwinstheattentionofkids. B.Theparkiscoolandrelaxed. C.Kidscandothingsintheirownway. D.Kidscantakeupswimming.
若lmn是互不相同的直线αβ是不重合的平面则下列命题中为真命题的是
MakingTravelArrangements Getplaneticketsifyou'reflying.Especiallyifyou'retravelinginternationallyyourplaneticketsmaybethemostexpensivepartofyourtrip.1.Soyouknowexactlywhenyou'llbearrivingandhowlongyou'llbestaying.Bemindfuloftimezonesifyou'retravelingalongerdistance.Thearrivalordeparturetimeslistedreflectthelocaltimeatthatparticularairport. Haveyourvehicleservicedifyou'redriving.Beforeyougoonaroadtripgettheoilchangedinyourvehicleandhaveitinspected.Completeanynecessaryrepairs.2. Makecopiesofallimportantdocuments.Copythefrontandbackofidentificationandinsurancedocuments.Ifyoulosetheoriginalsyoucanusethecopiestore﹣establishyouridentityandgetbackhome.3 Gettravelinsuranceforlongerormoreexpensivetrips.Ifyouhavehomeowner'sorrenter'sinsuranceyourpolicywilllikelycoverlostordamagedbelongings.Youcanalsopurchaseadditionalcoveragetocoverexpensesyoumaypayastheresultofacancelledordelayedflight.4.Howeveryoumayhavetouseyourcreditcardtopurchaseplaneticketsorreserveaccommodationstogetthecoverage. 5.Ifyou'retravelingtoanothercountryyou'lllikelyneedapassport.Applyseveralmonthsinadvancetomakesureyouhaveitforyourtrip.Totraveltosomecountriesyoumayalsoneedatouristvisa. A.Takingplanescostsmuch B.Getyourplaneticketsfirst C.Besuretocarryyourpassportandvisa D.Applyforapassportorvisaifnecessary E.Creditcardcompaniesoftenprovidetravelinsurance F.Soyouknowthatyourvehicleisintopconditionforthetrip G.Makecopiesofanymedicaldocumentationorprescriptionsaswell
Thefirstyearofcollegeisoneofthebestandthemostinterestingperiodsoflife.1Ontheonehanditcanbestressingtoleaveyourtownandstartcommunicatingwiththepeopleyoudon'tknowbutwhenyougetusedtotheatmosphereyou'llreallyappreciateandlovethetimespentincollege. 1.2 There'sabigamountofinformationyou'vegottoknow.Youmightunderstandhowtoregisterforclasseswhatthenamesofyourprofessorsareorhowtodooneoranothertaskinaproperway.Collegeisfullofstudentswhoareformerfreshmen.Theycangiveyouahelpinghandifyoudon'tknowsomething. 2.Manageyourtime Timemanagementisanextremelyimportantskillthatwillcomeinhandyineverydayusagefortherestofyourlife.Yourfuture﹣successdependsonthewayyouspendyourfreetime.Atcollegeit'snecessarytofindtimeforstudiesandforhavingfun.Oneofthebestwaystomanageyourtimeduringthefirstyearistomakeaschedule3 3.Usethecampusstudyresources. Manystudentscomplainaboutthelackofliteratureandaboutthehighpricesoftextbooks.4Therearemanydatabaseslabsandlibrarieswhichcanhelpyouexpandyourmind. 4.Joinstudentorganizations 5Differentsocialandsportorganizationscanhelpyouexpressyourselfanddiscoveryourinterests.Asastudentofthefirstcourseyouneedtomakefriendsandgetinvolvedindifferentstudentcommunities.Yourmembershipwillimproveyourreputationincollegeandfillyourbusystudent'slifewithnewemotionsandadventures. A.Don'tbeafraidtoaskforhelp. B.Don'tbeafraidtoleaveyourcomfortzone. C.Itwillhelpyousucceedandreachallgoalsyouneed. D.Whynotusetheresourcesofferedbyacollegeyou'restudyingat? E.Youneedtorememberthatyouaretheonlywho'sresponsibleforyourstudy. F.Nowadaysallcollegecampusesofferyouabigvarietyofstudentorganizations. G.Youshouldbestrongenoughtostepintothenextstageofyourlifewithoutdoubtsandhesitations.
Calligraphyisavisualart1relatetowriting.Itisthedesignandexecutionoflettering withabroadtipinstrumentbrushorotherwritinginstruments. InChinacalligraphyisreferredto2shufa.Chinesecalligraphyhas3longtraditionandistodayregardedasoneoftheartsinthecountries4itispracticed.Chinesecalligraphy5focusnotonlyonmethodsofwritingbutalsooncultivatingone'scharacter. Chinesecalligraphyisafarmofaestheticallypleasingwriting.ThistypeofexpressionhasbeenwidelypracticedinChinaandhasbeen6generalheldinhighesteemacrossEastAsia. Calligraphy7considerasoneofthefourbestfriendsofancientChineseliteratialongwithplayingstringedmusicalinstrumenttheboardgamegoandpainting.Therearesomegeneralstandardizationsofthe8varystylesofcalligraphyinthistradition. Chinesecalligraphyandinkandwashpaintingarecloselyrelatedtheyareaccomplished9usesimilartoolsandtechniquesandhavealonghistoryofsharedartistry.DistinguishingfeaturesofChinesepaintingandcalligraphyincludeanemphasisonmotionchargedwithdynamiclife.Calligraphyhasalsoledtothedevelopmentofmany10formofartinChinaincludingsealcarvingornatepaperweightsandinkstones.
在直角坐标系中直线l的参数方程为在以坐标原点为极点x轴正半轴为极轴的极坐标系中曲线C的极坐标方程为 1求直线l的普通方程和曲线C的直角坐标方程 2求曲线C上的点到直线l的距离的最小值.
Withatougheconomyit'sdifficulttomeetouremployees'expectationofsalaryincreases.1Wellherearefourimportantfactorsthathelpkeepemployeesmotivatedinadditiontomoney. Thefirstoneisrecognition.2Examplesincludetakingsomeonetolunchandlettingthemknowhowmuchyouvaluetheirperformanceandhowyouthankthembecausethey'reloyalpubliclyrecognizingsomeone'sperformancewithdetailsofwhattheydidandpresentingcertificatesofrecognitionforextraordinarycontributionstothebusinessandtheorganization. 3Ifyoucan'taffordtogiveeverydeservingemployeearaiseinvitethemtoapartytosimplycelebratetheirgoodworkandtellthemhowmuchyouappreciatetheirhardworkandloyalty.Askthemtohelpyouachieveyourbusinessgoalssothatnexttimeyoucanrewardtheminbetterways. Anotheroneismotivationalclimate.Takealookaroundattheworkenvironmentanddowhateveryoucantomakeitamorepleasantplace.Redecorationbetterworkspacesandworkingenvironmentthatisn'texpensivewillbeappreciatedbythosewhospend8﹣10hoursadayworkingthere.4 Thelastbutmostimportantfactorthatcanmotivateemployeesistrust.It'simportanttobuildtrustinallyourworkrelationships.5Takeaninterestintheirfamiliestheirhobbiesandtheirdevelopment.Treatpeoplewithrespect.Thenextoneiscelebrations. A.Thesecondoneispersuasion. B.Conductteamdiscussionsonwaystoincreasebusinessprofits. C.Appreciatingaperson'sstrongcontributioncanmakeadifference. D.Toachievethisspendtimewithyouremployeesandshowyourcareaboutthem. E.Ifyouaren'tsurewhattodoaskyouremployeeswhatthey'dlikeintermsofit. F.Howcanwemotivatetheminotherwaystokeepthemfromleavingthecompany?
Belowyouwillfindaprofileofeachgapyearprogram.Ifthereisaspecificprogramyouareinterestedinoraquestionyouhaveregardingtheseprogramspleasefeelfreetocontactthemdirectly. YouthInternational Since1997YouthInternationalhasbeenprovidingmanypeoplewiththemostexcitingandeducationalexperienceoftheirlife.Itisalearningprogramthatcombinesinternationaltravelinter﹣culturalexchangehomestaysvolunteercommunityserviceworkandoutdooradventures. Phone720﹣270﹣3323Carpe DiemEducation ThroughvolunteerservicetravelandculturalexchangestudentsofCarpeDiemEducationreceiveapersonalinsightintothemselvesandtheircultures.Wespecializeinguidingsummerandsemesterprogramsforhighschoolstudents.Eachcourseiscarefullycraftedtodevelopleadershipandself﹣awarenesswithinourstudentswhoreturnhomebetterpreparedtobeleadersinthoughtandaction. Phone503﹣285﹣1800 CenterforInterimPrograms Foundedin1980CenterforInterimProgramsisthefirstindependentgap﹣yearorganizationinAmerica.Basedonstudents'interestsandbudgetourexperiencedteachershelpmakeindividualcoursechoicesincludinglowcostvolunteeroptionslanguageprogramsresearchtripsandsoon.Wearecommittedtohelpingstudentsfindmoreexperiencesofformaleducationandwork. Phone413﹣585﹣0980EF GapYear EFGapYearoffersstudentstheabilitytoexploreseveralcountrieswhereyouwilllearnalanguagevolunteerforagoodcausegaininternationalworkexperience.Choosebetweena12﹣weeksemesteror26﹣weekacademicyear.Youcanthenpersonalizeyourprogramtomeetyourlearninggoalsandinterestsbydecidingwherewhenand﹣howyouwishtostudyonyourown.Ourwell﹣structuredcurriculumevenallowsyoutoplaceoutofcollege﹣levelclassesandearnadvancedcreditstowardgraduation. Phone800﹣726﹣9746 1Whichphonenumbercanyoudialifyouwanttoimproveyourleadership? A.720﹣270﹣3323. B.503﹣285﹣1800. C.413﹣585﹣0980. D.800﹣726﹣9746. 2WhatisEFGapYear'suniquefeature? A.Itsreasonablefee. B.Itsexperiencedteachers. C.Itsflexiblestudytime. D.Itsdiversecurriculumchoices. 3Whatdothefourprogramshaveincommon? A.Theypayattentiontovolunteerservicework. B.Theycombineeducationwithhomestays. C.Theymainlyoffercross﹣culturaleducation. D.Theyraisestudents'interestinadventure.
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