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如图，点B在△ECD边EC上，BF∥CD，CF交ED于点H，BC＝CD＝7，BF＝，CF＝10，若∠CHD＝∠BCD，则线段BE的长为 ．
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如图正方形ABCD中AB＝6点E.在边CD上且CD＝3DE.将△ADE沿AE对折至△AFE延长EF交
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如图在梯形ABCD中AD∥BC∠A.=∠ABC=90°且AD=CD.将梯形ABCD沿对角线BD折叠点
在正方形ABCD中过点A.引射线AH交边CD于点H.点H.与点D.不重合.通过翻折使点B.落在射线A
如图点E.为正方形ABCD的边AD上一点连接BE过点A.作A.H.⊥BE垂足为H.延长A.H.交CD
如图①点E.F.分别为长方形纸带ABCD的边ADBC上的点∠DEF=19°将纸带沿EF折叠成图②G.
如图在△ABC中∠ACB=90°∠B.＞∠A.点D.为边AB的中点DE∥BC交AC于点E.CF∥AB
如图E.是正方形ABCD的边CD延长线上的任意一点CF⊥AE于点F.交AD于点H..求∠DHE的度数
如图在平行四边形ABCD中CE⊥AD于点E.且CB=CE点F.为CD边上的一点CB=CF连接BF交C
如图正方形ABCD中E.是BC上的一点连接AE过B.点作BH⊥AE垂足为点H.延长BH交CD于点F.
在正方形ABCD中过点A.引射线AH交边CD于点H点H.与点D.不重合.通过翻折使点B.落在射线AH
如图在矩形ABCD中点E.是边CD的中点将△ADE沿AE折叠后得到△AFE且点F.在矩形ABCD内部
如图正方形ABCD中AB=6点E.在边CD上且CD=3DE.将△ADE沿AE对折至△AFE延长EF交
在正方形ABCD中过点A.引射线AH交边CD于点H点H.与点D.不重合.通过翻折使点B.落在射线AH
如图AB∥CDE.是CD上一点BE交AD于点F.EF=BF.求证AF=DF.
如图在矩形ABCD中AD=AB∠BAD的平分线交BC于点E.DH⊥AE于点H.连接BH并延长交CD于
2个
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如图点C.是线段BD上一点分别以BC和CD为一边在BD的同侧作等边△ABC和等边△ECDAC交BE于
如图在▱ABCD中AE⊥BC交边BC于点E.点F.为边CD上一点且DF=BE.过点F.作FG⊥CD交
如图在△ABC中AB=AC点D.E是边BC上的两个点且BD=DE=EC过点C作CF∥AB交AE延长线
如图AB∥CDE.F.分别为ABCD上的点且EC∥BF连接AD分别与ECBF相交与点G.H.若AB＝
如图在△ABE中AC⊥BE于点C.AC＝EC点D.在AC上CD＝CBED的延长线交AB于点F.1求证
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关于阻力对物体运动的影响问题某学习小组进行了如下探究实验依次将毛巾棉布分别铺在水平木板上让小车分别从斜面顶端由静止自由下滑观察小车在水平面上滑行的最大距离三种情况下的运动如图所示．1实验中每次均让小车从斜面顶端由静止自由下滑目的是使小车在水平面上开始滑行时获得的速度大小选填相等或不相等本实验中的阻力是指小车受到的2分析图运动情况可知小车在毛巾表面上滑行的距离最短说明小车受到的阻力越大速度减小得越选填快或慢3牛顿在伽利略等人的研究基础上概括出牛顿第一定律一切物体在没有受到力的作用时总保持状态或状态4牛顿第一定律选填是或不是直接由实验得出的其符合逻辑的科学推理为科学研究提供了一个重要方法．
RecentlyPewResearchCenterannouncedthatoveraquarterofAmericanshavesharedaselfieonline.Unsurprisinglythepracticeofphotographingoneselfandsharingthatimageviasocialmediahas51amongallagegroups.Evidenceofitsmainstreamnatureisseeninotheraspectsofourculturetoo.LastyearselfiewasnotonlyaddedtotheOxfordEnglishDictionarybutalsonamedWordoftheYear. Yetdespitethehugenumberofpeoplepracticingit52isalsosurroundingselfie.Anassumptionthatsharingselfiesisembarrassingrunsthroughoutthejournalisticandscholarlycoverageonthetopic.Negativewordslikeself﹣centeredand53haveinevitablybecomeapartofanyconversationaboutselfiesamongscholars. ButoveraquarterofallAmericansarerelyingonit.WhyTheusualreasonsgivenbyscholars﹣self﹣centerandfame﹣seeking﹣seemtoo54toexplainsuchacrowdacting.Thereisalwaysmoretoasocialculturalpracticethanwhat55. Simplyputphysicalanddigitaltechnologymakeitpossible.Theideathattechnology56thesocialworldandourliveshasbeenrecognizedbypeople.Tosomeextentworldisshapedbytechnologicalrevolutions.Theselfieisnotan57formofexpression.Artistshavecreatedself﹣portraitsforcenturiesfromcavetooilpaintingstoearlyphotographyandmodernart.Peopleare58theirfeelingsandthoughtsthroughcertainmedia.What'soriginalabouttoday'sselfieisitspublicpopularity.Technologicaladvancement59theself﹣portraitusedtoberestrictedtotheartworldandgaveittothemasses.Thosedigitalfront﹣facingcamerassocialmediaplatformsandwirelesscommunicationsconvenientlyavailablemakeselfieajob60anytimeanywhere. BesidesWearenot61beingslivingbyourselves.Wearesocialbeingswholiveinsocialcommunitiesandassuchourlivesarefundamentallyformedbysocialrelationswithotherpeople.Asphotosmeanttobe62selfiesarenotindividualacts;theyaresocialgestures.Selfiesaswellasourpresenceonsocialmediagenerallyareapartofidentitywork﹣﹣theworkthatwedoonadailybasisto63thatweareseenbyothersaswewishtobeseen.Infactthecraftinganddisplayofidentityhaslongbeenunderstoodasasocialprocess.Theselfieswetakeandshowaretopresenta64imageofussoastobecomeapartofouridentityformationand65. 51.A.flowered B.returned C.imposed D.functioned 52.A.negotiation B.criticism C.regret D.punishment 53.A.self﹣contained B.self﹣evident C.self﹣absorbed D.self﹣financed 54.A.necessary B.smart C.certain D.shallow 55.A.meetstheeye B.takesthelead C.raisesthealarm D.makesthepoint 56.A.operates B.produces C.structures D.ruins 57.A.advanced B.new C.intelligent D.available 58.A.offering B.revising C.inspiring D.conveying 59.A.liberated B.tagged C.honoured D.maintained 60.A.atlength B.withease C.atlarge D.withregards 61.A.isolated B.courageous C.traditional D.civilized 62.A.saved B.shared C.updated D.deleted 63.A.claim B.suppose C.ensure D.signal 64.A.fashionable B.skillful C.mysterious D.particular 65.A.summary B.evaluation C.monitoring D.exhibition
小明按图甲连接电路闭合开关灯泡L1的功率为P1．他将一个阻值大于L1的灯泡L2串联接入电路如图乙闭合开关后L1L2的功率分别为P1'P2'不计温度对灯泡电阻的影响电源电压恒定下列关系式正确的是
如图所示内部均装有磁铁的两块清洁器M和N隔着窗玻璃总能合在一起移动这让玻璃清洁变得安全高效．关于清洁器的分析正确的是
Writingabookreviewisnotlikewritingafictionwhereyouhaveyourfreedomtoexpressanytypeofliterarymood.Hereyouarelimitedwithinthescopewhichisrelatedonlytothebookortheliteratureandnothingelse.Towriteaproperliteraryreviewyoushouldfollowsomeimportantdosanddon'tswhicharediscussedhere. Top3dos Selectaliteratureofyourchoiceandreaditthoroughly.Ifrequiredyoushouldreaditmultipletimesbeforeyoureallyframeuptheliteraryreviewinyourmind.Whilereadingtrytoassimilatethethoughtsandphilosophyoftheauthorbehindthebookandalsotoanalyzeallthecharactersandeventsdescribedintheliterarypiece.Starttopendownyourliteraryanalysisonlywhenyouhaveacompleteunderstandingofthebookandnotbeforethat. Prepareyourwrite﹣upbasedonyourunderstandingofthebook.Sinceyouarereviewingthebookyouropinionplaysanimportantrolehere.Ifyoupreferanyparticularcharacteroranyparticularinstancefromthebookthenexposethatcharacterorthesituationinyourreviewtogiveitmoreimportance.Alsodetermineyourpreferencewithsupportinglogic.Ultimatelyitisyourunderstandingofthebookanditcandifferfromothers'viewpoint.Butyoushouldsticktoyouropinion. Followaproperformattoconstructyourbookreview.Itshouldhaveaproperintroductionandaconclusionotherthantheusualsubjectbody.Distributethesubjectbodyinchaptersandparagraphstogiveanicestructuredlook.Alsoaddalistofreferencematerialattheendofthebook.Astructuredmaterialalwayscarriesagoodimpressionandalsoithelpsthereadertogothroughthearticleatease. Top3don'ts Bookreviewsarenotexactlymeantforwritingasummaryonthebooks.Theobjectiveofwritingabookreviewistoarousethecuriosityinthemindofthereaders.Ifsomeonementionseverythinginthesummarythentheactualintentionislost. Asmentionedearlieroneshouldnotcrossyourlimittowritealiteraryreview.Donotbringupunnecessarytopicstoincreasethelengthofthewrite﹣upwhichisnotatallrelatedtothebook.Thereaderswanttolearnaboutthebookandnotsomethingirrelevant.Alsoasmartandcrispwritinghelpstocreateapositiveimpression. Youcangothroughreferencebooksorarticlesonyoursubjectbeforeyoustartpreparingyourarticle.Butthatshouldbecompletelywiththeintentionofgettinghelpinyourunderstandingofthebook.Thesereferenceitemswillhelptostrengthenyourgriponthesubject.Butyoushouldnevercopyasinglelineoftextfromanyotherdocumentorwrite﹣up.Plagiarism剽窃inanyformisapunishableoffencebylaw.Itwillalsodestroyyourreputationandcloseallthefutureavenuesinthisfield. Ifyoucanfollowtheabovedosanddon'tsreligiouslytowriteabookreviewthenitisgoingtobemoreoriginalandinteresting. 70.Whichofthefollowingwordsisclosestinmeaningtotheunderlinedwordassimilateinparagraph2 A.stimulateB.fertilizeC.digestD.enhance 71.Thepurposeofwritingareviewonabookis. A.toshowyourunderstandingofthethoughtsandphilosophyoftheauthorbehindthebook B.toshowthatyoureallysticktoyourownopinionthoughyou'vereadthebook C.toarousereaders'curiositytoreadmorebooksonirrelevanttopics D.tosparkreaders'interestsinfindingthebookandreadingit 72.WhichofthefollowingisNOTtrueaboutthedos A.Beforewritingabookreviewyou'dbetterreaditthoroughlyormanytimes. B.Writedownyourliteraryanalysiswhenreadingthebook. C.Ifyouareinterestedincertainsituationinthebookyoucanhardlygiveittoomuchimportanceinyourreview. D.Agoodreviewconsistsofaproperintroductionandaconclusionaswellasanice﹣structuredsubjectbody. 73.Thefollowingstatementsaredon'tswhenwritingasummaryexcept. A.goingthroughreferencebooksorarticlesonyoursubjectbeforeyoustartpreparingyourarticle B.presentingallthedetaileddescriptionofthebookinthesummary C.thethoughtoractionofputtinganythingirrelevanttothebookintothesummary D.anyformsofcopyingthetextfromothers'writtenwork.
MustafaKemalAtatürkthefounderoftheTurkishRepublicdevotedApril23tothechildrenoftheWorldtostressthat61werethefutureofnation.Since1920Turkeyhasbeen62celebrateApril23asNationalSovereigntyandChildren'sDay. Children'sDayprovides63uniqueopportunitytocontributetointernationalpeaceandsolidarity团结.InDubaioverthelastfouryears64thehelpoftheConsulateGeneraloftheTurkishRepublicinDubaiwehaveorganizedfour65successcharitycelebrationstomarkApril23Children'sDay.ManyinternationalschoolsandperformancegroupsofdifferentcountriesinDubaitookpart.Wereachedanaudienceofnearly4000peopleandthe66participateofmorethan50differentchildrenperformancegroups67includemorethan800children. ThisyearIam68honortoannounceourfifthcelebrationhappeningtoday.Thesuccessofthiseventlieswiththededicatedvolunteerworkofallorganization69partneraswellasthegenerousdonationsofthesponsors.InordertosupportDubaiAutismCenter'sannualautism自我中心主义awarenesscampaign70isorganizedforthewholemonthofAprilithasbeendecidedtodonatetheincomeoftheeventtotheDubaiAutismCenterDAC
如图甲所示用钢丝绳将一个实心圆柱形混凝土构件从河里以0.05m/s的速度竖直向上匀速提起图乙是钢丝绳的拉力F随时间t变化的图象整个提起过程用时100s已知河水密度为1.0×103kg/m3混凝土的密度为2.8×103kg/m3钢铁的密度为7.9×103kg/m3g取10N/kg不计河水的阻力求 10﹣60s内混凝土构件在河水里上升的高度 2开始提起t＝0时混凝土构件上表面受到水的压强不计大气压 30﹣60s内钢丝绳拉力所做的功 4通过计算说明此构件的组成是纯混凝土还是混凝土中带有钢铁骨架
考官在面试时问了他很多问题为的是了解他是否能胜任科学研究工作.inorderto.
Youmayreadthequestionsfirst: 70.Thetwoplacesofinterestthatenjoyhightemperaturesare. A.TucsonandNewfoundland B.GrenadaandGrimsey C.NewfoudnlandandCuenca D.TucsonandCuenca 71.Thecreaturesmentionedinthebookletthatisnotafraidofcoldweatheris. A.uropygialisbirds B.whalesandseabirds C.puffinbirds. D.huntingdog 72.Cuenca'smajortouristattractionis. A.thehangingrockyfaceofanartmuseum B.anaturallyformedcastle C.thefamousbakeryinthesummertime D.awoodenpedestrianswingingbridge 73.WhichofthefollowingstatementsisTRUEaccordingtothebooklets A.TherearenopeoplelivinginGrimsayduetotheextremewhether. B.Grenadawouldespeciallyappealtothecookingfans. C.ThemostimpressivefocusofattractioninSouthernBelizeistheBlueHole. D.People'ssafetyinTucsoncan'tbeguaranteedbythelocalgovernment.
全面开展“五星达标3A争创”的美丽乡村建设行动是当前绍兴农村工作的重点． 农村生活垃圾分类处理是能源再利用和减少土壤污染的重要方法． 1垃圾焚烧发电是一种有效处理方法它是利用了储存在垃圾中的能． 2小敏家两次电能表显示如图他家这30天的用电量为千瓦时．绍兴某垃圾发电厂3条焚烧线每天能处理2250吨生活垃圾日发电80万千瓦时它最多可供万户类似小敏家庭的日用电．结果保留一位小数
气体的密度与压强有关．为测量实验室内空气的密度小明在实验室按如图所示步骤进行实验 ①如图甲将一打足气的足球放入装满水的容器中测得溢出水的体积为426毫升． ②如图乙将500毫升装满水的量筒倒置于水槽中用气针和乳胶管将足球中的气体慢慢排入该量筒同时调整量筒的位置当量筒内外水面都与500毫升刻度线相平时停止排气．共排气10次． ③如图丙拔除气针和乳胶管把排气后的足球放入装满水的容器中测得溢出水的体积为420毫升． 1图乙中当量筒内外水面都与500毫升刻度线相平时停止排气其目的是． 2根据测得的数据计算实验室中空气的密度．
假设今年暑假你准备去某地做一次故地重游的旅行并准备带上你的朋友们一起去.请写一篇文章介绍你的旅行计划主要包括以下内容: •准备去什么地方 •故地重游的原因 •本次计划如何开展 •希望做些什么准备 …
下列物态变化属于凝固的是
小明利用图甲电路研究电流与电压的关系其中滑动变阻器最大阻值为500欧定值电阻R0阻值为10欧闭合开关当滑片从最右端慢慢向左移动发现最初电压表指针几乎不动直到接近左端时电压表指针才开始有所偏转继续左移指针偏转角度迅速变大即该滑动变阻器引起电压表示数发生明显变化的调节区域很小．本实验中要使滑片每移动一段距离都能引起电压表示数较为明显的变化应选择怎样的滑动变阻器小明用不同的电阻丝代替滑动变阻器利用图乙进行如下实验 ①取3条长度都为100厘米的粗细均匀电阻丝ABC阻值分别为1欧20欧400欧． ②将电阻丝A接入图乙电路闭合开关滑片P从最右端移到最左端记录电压表示数U随滑片移动长度x变化的相关数据多次测量． ③分别用电阻丝BC代替A重复步骤②． ④处理相关数据获得“电压表示数U随移动长度x变化的关系”如图丙． 1图甲实验中闭合开关当滑动变阻器滑片处于最左端时导线a与接线柱M处的连接意外断开此时 示数为零的电表是． 2分析图丙实验过程中电压表示数变化范围与电阻丝阻值的关系是． 3若利用图乙研究通过R0的电流与其两端电压的关系在ABC三条电阻丝中你认为选择哪一条电 阻丝最合适并说明理由．
Anexaminationisaveryimportantpartoflifewhichisusedtotestaperson'sability.Butasyouknowmanyofushas51andareafraidofit.Thoughtheyknowthatexamsaretherefortheirbenefittheystillhavealotoffearforit.Itisveryoftenwefindsuchpeople.Youwillfindsuchpeoplealittleanxiousandalittlestressedabouttheirexams.Manyatimesuchnervescanbe52andusefultoyouforothersit'snervewrecking. Toovercomethesenerveswegotsometipsforyou.Don'tgettooexcitedabouttheexamsandforthatdon'tdrinktoomuchofthecoffeeorteatocopeupwiththeexam53.Eatahealthyandproperdietanddon'tworryabouttheexamswhileeating.Stresscanbeharmfultoyou54sometimes.Itcancausealotofproblemsinyourbodywhichcanbeincreasedheartbeatandbreathsweatingpalmsnervousattitudestressedaboutexamsetc… Beforemovingtotheexaminationhallyoupreparethoroughlyabouttheexams.Forthatfirstlymakealistofwhatistobestudiedandthenmakeanoverlookforthat.Nowdivideeachsubjectintosomeeasysub﹣classes.Gothroughsome55questionpapersandstudyyourearliermistakesmadeinit.Makeaperfectscheduleforyourstudy.Overlookthe56usedforansweringthequestionsImeantheirpatternandstyleofwriting.Solvefewmorequestionpaperstoachieveapropertime57.Takesomequickbreaksinyourstudytimesothatyoucan58aninterestinyourstudy. Nowwhiletakingtheexamsjustrelaxcontrolyourbreathandbelieveinyourself.Don'tpanicandbeoptimistic.Trytoreduceyourstressandbehappy.Don't59atleastanhourbeforetheexamsjustgetyourselfcalmeddown.Keepyourfocusonthepaperandtellyourselfthatyouare60prepared.Forexamsreachbeforethetimeandtryto61inthesurroundings.Don'tlistentoanyoftheexamrumoursbeforeexams.Ifyoustillcan'tcontrolyourexamstressthengoforsomemeditationorhypnosis冥想或催眠. Yeshypnosisarealgoodand62waytocontrolyournervesandreduceyourstress.Itcanbeseenthataperson'swholelifechangescompletelyonlyfromfewofthe63instructions.Inhypnosisapersondirectlydealsyou'reyoursubconsciousmindinsteadofyourconsciousmind.Thefactisyoursubconsciousmindisalotmore64andfollowingthanyourconsciousmindsoinstructingcorrectlytoyoursubconsciousmindresultsterrificinreducingyournerves.Hypnosisreducesyourfearoffailureand65asenseofconfidenceinyou.Itdecreasesyournegativityandforcesyoutothinkpositivelyaboutyourexams.Youalsomultiplesyourpotential.YousimplyneedtogetyourhandsonthehypnosisforexaminationMP3.Thisiseasilydownloadableandyou'llbewellonyourpathtocombatingandovercomingthecondition. 51.A.interest B.panic C.faith D.concept 52.A.motivating B.suffering C.shocking D.spreading 53.A.participation B.motivation C.expansion D.tension 54.A.mentally B.physically C.continuously D.exhaustingly 55.A.previous B.patient C.personal D.current 56.A.preparations B.lessons C.schedules D.techniques 57.A.administration B.management C.limitation D.scale 58.A.entertain B.contain C.maintain D.complain 59.A.revise B.rush C.instruct D.discuss 60.A.normally B.informally C.comparatively D.completely 61.A.mix B.resolve C.adjust D.focus 62.A.instructive B.significant C.effective D.romantic 63.A.appropriate B.splendid C.original D.negative 64.A.impatient B.obedient C.ordinary D.desirable 65.A.enjoys B.shakes C.generates D.generalizes
DeltaCollegestartsStreetFair SanJoaquinDeltaCollegewillintroduceitsnewSummerStreetFairwhichrunsfromnoonto8p.meveryFridaystatingthisweekthroughAug.9inDelta'sL﹣lparkinglotnearPacificAvenueandMarchLane.ThefairgoeswithDelta'sweekendfleamarket. Thisweek'sfeaturedperformersareguitaristTravisMatsumotofromnoonto3p.m.andJulioandhisJazzTriofrom3to6p.m. LodeFarmersMarketopens TheAngelsCampCertifiedFarmersMarketbeginsitsyearlyrunfrom5p.m.toduskthisFridayinUticaParkindowntownAngelsCamp.Openingnightwillfeaturewinetastingfromaward﹣winningFourWindsCellarsandlivemusicbyguitaristNicholasLeffler.Visitorswillfindfreshlocallygrownproduceandspecialtyfoods.TherewillalsobebarbecueandCalifornia. Mexicanfusioncuisine. JoinRiverRaftingforagoodcause WhitewaterenthusiastscanparticipateinMokelumneRiveRaftingAdventuresonJune16inMokelumneHill.LocaloutfitterO.A.R.S.isdonatingitsservicestohelpwiththeevent.Departuresareat8a.m.noonor4p.m.Thetripshouldlastaboutthreehours. Thetripisappropriateforthose7andolderandtheabilitytoswimisnotrequired.Thecostis70perperson. Filmscenteronpaddlingwater Thefestivalisanannualcontestthatawardswinningfilmsthatfocusonpaddlinginriverslakesandoceansinavarietyoflocales.Ticketstothefilmfestivalare12inadvanceand$15atthedoorandarealsoavailableonlineatticketriver.com/event/7002﹣reel﹣paddling﹣film﹣festival. Theeveningalsoincludesadrawing.PrizesincludewhitewatertripsontheSouthForkoftheAmericanRiver. 1IfyouwanttogototheSummerStreetFair. A.youmustbeastudentfromDeltaCollege B.youcangothereontheafternoonofFriday C.youshouldlivenearthePacificAvenue D.youmustgiveaperformanceinthemarket 2Ifyouwanttoenjoythetastyfoodsyoucangoto. A.thenewSummerStreetFairofDeltaCollege B.LodeFarmersMarket C.MokelumneRiverRaftingAdventures D.thefilmfestivalcenteringonpaddlingwater 3Ifyouareinterestedinpaddlinginrivers. A.youcanknowalltheAmericanrivers B.youmusttryhardtogetmanyprizes C.youcangetticketsfromawebsite D.youmustkeepsilentintheevening.
为了解火箭升空过程中的相关运动状况兴趣小组制作了一模型火箭重为8牛不包含燃料发射后获取模型火箭的飞行高度与时间的关系如图所示． 1模型火箭燃料耗尽后仍能向上飞行一段距离这是因为模型火箭具有． 2图中标注的ABC三个位置中模型火箭的重力势能最小的是． 3模型火箭从最高点B下落到地面重力做功的功率是瓦．
将一蜡烛放在装有水的烧瓶前调整蜡烛和烧瓶至如图所示位置在墙壁上得到清晰的像．该像的性质是
RelaxduringajobinterviewFewpeopleactuallylikejobinterviewing.It'snerve﹣wracking摧残神经的tryingtoshowyourbestselftoaperfectstranger.36EThat'snoteasy.Buttherearesomewaystopullyourselftogetherandfeelmoreconfident.Preparesolidtalkingpoints.It'salwaysbesttoover﹣prepareforpossiblequestionsbynotonlyresearchingthecompanyandthepersoninterviewingyoubutalsobypreparinganswersandpracticingthoseresponses.Reviewtheskillsandexperiencesrequestedinthejobannouncementandhavetwotothreeexampleshowyouhavedemonstratedeachone.37GRemember:It'satwo﹣waystreet.Thisisconversationnotaninterrogation审问.38FRememberingthatthisisabackandforthdiscussionwhereyoucanandshouldaskquestionsaswellasanswerthemcanhelpyoufeelmorecomfortable.Justbreathe.39DYourbodywillrelaxlot.Youwanttoavoidupperchestbreathingasittendstojustmoveyoustressupwardtoyourface.40Aifyougointoaninterviewpickingapartyouroutfitorimperfectresponsesyou'reonlyhurtingyourchancesofcomingoffascalmandcollected.Turnoffyournegativeself﹣talkandthencreateadifferentself﹣talkmessagelikeIamheretosharethebestofmyabilityandthatisallIcanreallydo.Workitout.Puttinginsomegymtimethemorningofyourinterviewcanhelpyougetridofanynervoustension.Exercisehelpscalmyournervoussystemandtendstoreducetheintensityofphysicalmanifestations表现形式ofstresssuchasrestlessness.A.Stopthenegativethoughts.B.Putyourideaintopractice.C.Whenfacedwithanintervieweryoumaybenervous.D.Beforeyouwalkintoyourinterviewtakeafewdeepbreaths.E.You'retryingtoproveyou'retheoneforthejobandthatyoucanhandlestressfulsituations.F.Don'tforgetthatyou'renottheonlyonebeinginterviewed﹣you'realsointerviewingtheorganization.G.Thiswillstrengthenyouranswersandallowyoutoshowhowyourexperienceisrelevanttothejobororganizationforwhichyou'reinterviewing.
用伏安法测电阻时某电表的示数如图所示其示数为
如图所示空气中一束光经过s点斜射向竖直放置的平面镜经平面镜反射后射向一块玻璃砖的上表面并穿过玻璃砖从下表面射出请在图中画出该光路图不考虑玻璃砖的反射．
如图是浙江大学机器人研究团队研发的名为“绝影”的四足机器狗它能稳健地爬陡坡它的出现让我国四足机器人技术达到国际一流水平．机器狗质量为70千克每只脚与地面接触面积为50平方厘米． 1以行走的机器狗为参照物旁边的台阶是选填“静止”或“运动”的． 2机器狗行走时两脚着地它对地面的压强为多少帕 3机器狗爬上3米高的陡坡时克服自身重力做功为多少焦
MauriceMountainisaretiredlawyerinWashingtonD.C.Hedevelopedaprototype原型机foradevicehecallsthePrestoEmergencyBoatLadder.Hisinventionisasmallfoldingladderthatattachestothesideofaboattohelppeoplewhofallintothewater.Mr.Mountainplanstomass﹣producehisboatladder. HecreatedhisinventionataworkshopcalledTechShop.Mr.MountainsaysIthinkitencouragesinnovation.Ithinkpeoplewhoprobablyhavehadideasrollingaroundinthebackoftheirmindsforyearsbuthaveneverhadtheopportunitytoactuallyputthemintoproductionorevenexperimentwiththemwouldfindthisplacewonderful.MembersofTechShopusehigh﹣techequipmenttodevelopandproduceideastheyhaveforinventions.IsabellaMusachiomanagesaTechShopinArlingtonVirginia.Shesaystheshophasmanydifferentkindsofequipment. TechShopisado﹣it﹣yourselfmakerspace.Sowhenyoucomeinwehaveallthesedifferentareasoftheshopandwehaveametalshopwoodshoplasers3Dprinterselectronics.Imeanwehavesomanydifferentareasandwehavealltheequipmentthatisavailahletoanybodyabovetheageof12. MembershipcostsforTechShopstartatjustover$100permonth.Membersareabletousecostlymachinesincluding3Dmodelingtoolsandlasercutters.IsabellaMusachiosaysTechShophelpsitsmembersbuildtheirdreams. Ourmottois‘buildyourdreamshere'becauseyoucanreallycomeinwithjustanideaandthenwiththehelpofTechShopmakethatleapfromanideatobuildingyourprojectoyourprototypeorevenyourbusiness. JimNewtonisthefounderofTechShop.HefirstintroducedtheideaforthetechnologyworkshopsatanartsandscienceseventcalledMakerFaireinSanMateoCaliforniain2006.HisideaattractedhundredsofmembersduringthateventNowthereareeightTechShoplocationsintheU.S.Inalltherearemorethan6000members.Twomore﹣TechShoplocationsinthecitiesofSt.LouisandLookAngeleswillbesetup. 28.TheinventionMr.Mountaininventedwillbeusedto. Asavethedrowningpeople B.helppeopleclimbtheladder C.maketheboatsafer D.lettheboatfloatsafely 29.WhatcanbeinferredfromwhatMr.MountainsaysinParagraph2. A.Peoplewithimaginationcanachievetheirdreams. B.TechShopcanhelpturnsomepeople'sideasintoreality. C.TechShopisaplacewherepeoplecanputforwardtheirnewideas. D.It'shardforpeopletoputtheirideasintopractice. 30.Fromthelastparagraphwecanknow. A.JimNewtonisaverygreatinvention B.peopledidn'tlikeTechShopatfirst C.TechShopwillbecomemoreandmorepopular D.TechShopgreetedwithbadreviewsin2006 31.WhatcanweknowaboutTechShopfromthepassage A.TechShopisfoundedbyMauriceMountain. B.TechShopputshigh﹣techdreamswithinreach. C.TechShopisanon﹣profitorganization. D.TechShopoffersitsmembersmoreideas.
Technologymeansdifferentthingstodifferentpeople.Aphysicianmightthinkoftechnologyasawaytoproduceanewmedicine.Toaspaceengineeritmightmeanmakingbetterrocketengines.Technologyissowidespreadthatitispartofeveryone'slife.OriginallythewordtechnologycomesfromtheGreekwordtechnewhichmeansart.Youmightthinkthatartmeansonlypaintingsorsculpture.ButtheGreeksbelievedanartistcouldmakeusefulproductsfromnaturalmaterialssuchastreesrocksandplants.WhatschoolsubjectsarerelatedtotechnologyThoughpeople'sopinionsvaryonwhatgroupsoftechnologyshouldbebrokendowntoyouwheninschoolmayhavethequestion:WhyshouldyoustudytechnologyThatquestioniseasytoanswer.Technologyisfunrewardingandexciting.Itisfunbecauseyougettoworkwithyourhands.Itisrewardingbecauseyougettoseetheresultsofyourwork.Eachdayitbringsnewideasandnewchallengeswhichmaketechnologyexciting.Studyingtechnologywillalsohelpyoudevelopyourproblem﹣solvingskills.Youcanlearntoidentifyaproblemandcomeupwithasolution.Youwillalsofindthattechnologyisrelatedtoothersubjectsthatyoustudyinschoolsuchas:MathematicsScienceSocialstudiesEnglishlanguageartsArtYoumightenjoyallofyourclassesmoreafteryoubegintoseetherelationshipsbetweentechnologyandothersubjects.DoyouknowwhattechnologicallyliteratemeansTechnologyisofteninthenews.Ajournalistmightreportonaparticularelectricalpowerplantafoodadditiveorasafetydeviceonanautomobile.Itisimportantthatyouunderstandtheimportanceoftechnology.Everydayinmanywaystechnologyaffectsthelivesofpeoplearoundtheworld.Forexampleautomobileairbagshavesavedmanylivesincollisions.Howevertheyinflatesoquicklythattheyhavecausedinjuryanddeathinsomecases.Asaresultthefederalgovernmentallowscarownerstoinstallanon/offswitchfortheairbags.DoyouthinkthegovernmentshouldletpeopledothisToanswerthisquestionyoufirstneedtoknowsomethingaboutthetechnologybeingdiscussed.DoesworkingonasmallenginesounddifficulttoyouWithabasicunderstandingoftechnologyitmightnotbeashardasyouthink.Beingtechnologicallyliteratemeansunderstandingtechnologyandfeelingcomfortablewithit.Sometimesthereisnoonecorrectanswertoaproblem.Youneedtothinkaboutandevaluateeachsituationandthenmakeadecision.Whenyoucandothisyouwillbetechnologicallyliterate.78.Whatcanthetitleofthefirstparagraphbetomatchtheothertwo.79.Youcanhavesincewhenstudyingtechnologyeverydayyouworkwithyourhandsseetheresultsofyourworkandhavenewideasandnewchallenges.80.Whyarecarownersallowedtoswitchofftheirairbags.81.Atechnologicalliteratecanbeapersonwho.Note:AnswerthequestionsorcompletethestatementsinNoMoreThanFifteenWords.
假定你是李华你所喜爱的GlobalMirror周报创刊五周年之际征集读者意见.请你依据以下内容给主编写封信内容主要包括: 1.说明你是该报的忠实读者 2.赞赏该报优点:1兼顾国内外新闻2介绍名人成功故事 3.提出建议:刊登指导英语学习的文章 注意:1.词数100左右开头语已为你写好; 2.可以适当增加细节以使行文连贯. DearEditorinChief Congratulationsonthe5thanniversaryofGlobalMirror! Sincerelyyours. LiHua
某工厂发货传输分拣线示意如图等间距排列的相同货物先被传送带匀速运送到工作台在工作台AB上匀速下滑时被扫描后滑至水平工作台BC最后在C点静止时被机械手臂取走进行分类．传送带与ABAB与BC都平滑连接AB与BC材料相同且长度均为1米空气阻力忽略不计． 1若货物对AB的压力小于对BC的压力则货物在AB上减小的机械能选填“大于”“等于”或“小于”在BC上减小的机械能． 2若机械手臂每隔3秒钟取走一件货物传送带运动的速度为0.8米/秒为防止货物的碰撞与堆积货物之 间的距离d至少为米．
她的父母忙于工作因此她在年幼时就学会了照顾自己.age.
ThisafternoonIspokewithGovernorMalloyandFBIDirectorMueller.IofferedGovernorMalloymycondolences吊唁慰问onbehalfofthenationandmadeitclearthathewillhaveeverysingleresourcethatheneeds33investigatethisheinous令人发指的crimecareforthevictimscomforttheirfamilies. 34enduretoomanyofthesetragediesinthepastfewyears.AndeachtimeIlearnthenewsIreactnotasaPresidentbutasanybodyelsewould﹣asaparent.Andthatwasespeciallytruetoday.Iknowthere'snotaparentinAmericawhodoesn'tfeelthesameoverwhelminggriefthatIdo. Themajorityofthose35diedtodaywerechildren﹣beautifullittlekidsbetweentheagesof5and10yearsold.Theyhadtheirentirelivesaheadofthem﹣birthdaysgraduationsweddingskidsoftheirown.Amongthe36fallwerealsoteachers﹣menandwomenwhodevotedtheirlivesto37helpourchildrenfulfilltheirdreams. Soourheartsarebrokentoday﹣fortheparentsandgrandparentssistersandbrothersoftheselittlechildrenandforthefamiliesoftheadultswho38lose.Ourheartsarebrokenfortheparentsofthesurvivorsaswellforasblessedastheyaretohavetheirchildrenhometonighttheyknowthattheirchildren'sinnocencehasbeentornawayfromthemtooearlyandtherearenowordsthatwilleasetheirpain. Asacountrywehavebeenthroughthistoomanytimes.39it'sanelementaryschoolinNewtownorashoppingmallinOregonoratempleinWisconsinoramovietheaterinAuroraorastreetcornerinChicago﹣theseneighborhoodsareourneighborhoodsandthesechildrenareourchildren.Andwe'regoingtohavetocometogetherandtakemeaningfulactiontopreventmoretragedies40thisregardlessofthepolitics.
如图是上肢力量健身器示意图杠杆AB可绕O点在竖直平面内转动AB＝3BO配重的重力为120牛重力为500牛的健身者通过细绳在B点施加竖直向下的拉力为F1时杠杆在水平位置平衡配重对地面的压力为85牛在B点施加竖直向下的拉力为F2时杠杆仍在水平位置平衡配重对地面的压力为60牛．已知F1F2＝23杠杆AB和细绳的质量及所有摩擦均忽略不计下列说法正确的是
Anewreportsaidmiddleclassworkerscouldstillbeworking1theyareattheageof70tohelpouttheirgrownupchildren. Middleclassworkers2age50andabovearebeingforcedtodelaytheirretirementwithmanyblamingtheirchildrenareportrevealedyesterday. Tomanymiddleclassworkers3botheredthemfromworkcouldn'tcomparewiththepossibilitythattheymightpostponetheirretirementdatebyaroundfiveyears. Itisnotjusttherisingcostoflivingthatiscausingthedelay.Manypointedtothefactthattheyareconstantlyhavingtoprovidefortheirgrown﹣upchildrenatanage4theyassumedtheyshouldbefinanciallyindependent. Actuallyoneinfivemiddleclassworkers5keepworkinginordertosupporttheirchildren.Manyworkersstruggledallalongtotheretirementdateonly6realizethattheyhadtoswitchtoapart﹣timeworkingpatternalsocalledsemi﹣retirement.Rarely7peoplehearoftheconceptofsemi﹣retirementinthepastbutnowsemi﹣retirementhasbecometheroutineamongwealthierpeopleintheir50sand60sregardedas8signofthecountry'son﹣goingworseningeconomy.
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