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如图所示的四种现象中，属于减少压强的是（ ）
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如图所示的四种现象中属于光的折射现象的是
水中的倒影
透过树叶间的阳光
水中弯折的铅笔
物体的影子
如图所示的四种现象中属于光的折射现象的是
在如图所示的四种现象中属于减小压强的是
在如图所示的四种现象中属于减小压强的是
如图所示四种现象中由于光的折射而形成的
如图所示的四种现象中属于增大压强的是
如图所示的四种现象中属于光的折射的是
镜中的像
丹顶鹤的倒影
变扁的太阳
灯下的影子
在如图所示的四种情景中属于光折射现象的是
灯光照射下形成的影子
透过放大镜形成的像
看起来水没那么深
光亮勺子中形成的像
如图所示的四种现象中由光的直线传播形成的是
海市蜃楼
水面“折”枝
水中倒影
手影
如图所示的四种现象中属于光的反射现象的是:
小姑娘站在穿衣镜前照镜子;
自然界中的全日食现象;
有趣的“一笔三折”现象;
老师在上课时，用投影仪展示图片.
如图所示的四种情景中所使用的杠杆属于费力杠杆的是
如图所示的四种现象中由光的直线传播形成的是
水中塔
水面“折”枝
镜中花
手影
在如图所示的四种常见的管道安装图例中表示螺纹连接[20210405103621]
A
B
C
D
如图3所示的四种现象中属于光的折射现象的是:
水中的倒影
透过树叶间的阳光
水中弯折的铅笔
物体的影子
如图所示的四种现象中由于光的直线传播形成的是
如图所示的符号分别代表小雪霜冻雾和冰雹四种天气现象其中属于液化现象的是
小雪
霜冻
雾
冰雹
如图3所示的四种现象中属于光的折射现象的是:
水中的倒影
透过树叶间的阳光
水中弯折的铅笔
物体的影子
在如图所示的四种常见的管道安装图例中表示栓堵[20210405103621]
A
B
C
D
如图所示的四种现象中属于减小压强的是
在如图所示的四种情景中属于光的折射现象的是
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假如英语课上老师要求同桌之间交换修改句子请你修改你同桌写的以下句子.每句中均有一处语言错误.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词符号∧并在其下面写出该加的词.删除把多余的词用斜线\划掉. 修改在错的词下面划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词. 2.只允许修改10处多者从第11处起不计分. OnenightIwasgoingtoworkonmyusuallybusroute.UponourarriveattheterminalInoticedthatIwastheonlypassengerleftonthebus.Ilookedaroundandsawamobilephoneinachairthatmusthavebeenleftbehindbythepassenger.Igiveittotheconductor. TwodaylatertheconductortoldmethatthepassengerwasverymuchhappythatIreturnedthemobilephone.ThepassengerwastryingtogethernamesoshewantedtopostonFacebookaboutwhathadhappenedasasortofappreciation.Ithoughtitwasunnecessary.WhatwasimportantwaswhenIsawthesmileonherfaceIwashappy.
I'velovedmymother'sdesksinceIwasjusttallenoughtositabovethetopofit.Mothersatwritingletters.Standingbyherchairlookingattheinkbottlepensandwhitepaper.Idecidedthattheactofwritingmustbeamostwonderfulthingintheworld. Yearslaterduringherfinalillness.Motherkeptdifferentthingsformysisterandbrother.Butthedesk.ShesaidagainisforElizabeth. Ineversawherangryneversawhercry.Iknewshelovedme;sheshowedinaction.ButasayounggirlIwantedtohaveheart﹣tohearttalksbetweenmotheranddaughter. Theyneverhappened.Andagulfopenedbetweenus.Iwastooemotional易动感情的.Butshelivedonthesurface表面. AsyearspassedandIhadmyownfamily.Ilovedmymotherandthankedherforourhappyfamily.Iwrotetoherincarefulwordsandaskedhertoletmeknowinanywayshechosethatshedidforgiveme. Myhopeturnedtodisappointmentthenlittleinterestandfinallypeaceitseemedthatnothinghappened.Icouldn'tbesurethattheletterhadevengottoMother.IonlyknewthatIhadwrittenitandIcouldstoptryingtomakeherintosomeoneshewasnot. Butthepresentofherdesktoldmeasshe'dneverbeenabletothatshewaspleasedthatwritingwasmychosenwork.Icleanedthedeskcarefullyandfoundsomepapersinsideaphotoofmyfatherandaone﹣paperletterfolded折叠andrefoldedmanytimes.Itwasmyletter. InanywayyouchooseMotheryoualwayschosetheactthatspeakslouderthanwords. 1Thewriterbegantolovehermother'sdesk. A.afterMotherdied B.beforeshebecameawriter C.whenshewasachild D.whenMothergaveittoher 2Thepassageshowsthat. A.Motherwascoldonthesurfacebutkindinherhearttoherdaughter B.Motherwastooseriousaboutherdaughterinwords C.Motherwrotetoherdaughterincarefulwords D.Motherwrotetoherdaughterincarelesswords 3Theunderlinedwordgulfinthepassagemeans. A.deepunderstandingbetweentheoldandtheyoung B.differentideasbetweenmotheranddaughter C.freetalksbetweenmotheranddaughter D.partoftheseagoingfarinland 4What'sbesttitleofthepassage? A.MylettertoMother. B.Motherandchildren. C.Mymother'sdesk. D.TalksbetweenMotherandme.
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HelloI'mSevernSusukispeakingforE.C.O.﹣theEnvironmentalChildren'sOrganization. Weareagroupoftwelveandthirteen﹣year﹣oldsfromCanadatryingtomakeadifference.Weraisedallthemoneytocomehereourselvestocomefivethousandmilestotellyouadultsthatyoumustmakeachange.I'mheretospeakforallthegenerationstocome.I'mheretospeakonbehalfofthestarvingchildrenaroundtheworldwhosecriesgounheard.I'mheretospeakforthecountlessanimalsdyingacrossthisplanetbecausetheyhavenowherelefttogo. I'mafraidtogooutinthesunnowbecauseoftheholesintheozone.I'mafraidtobreathetheairbecauseIdon'tknowwhatchemicalsareinit.IusedtogofishingwithmydadinVancouvermyhometownuntiljustafewyearsagowhenwefoundthefishfullofcancers.Andnowwehearaboutanimalsandplantsgoingextincteveryday﹣disappearingforever. InmylifeIhavedreamedofseeingthegreatnumberofwildanimalsjunglesandrainforestsfullofbirdsandbutterfliesbutnowIwonderiftheywillevenexistformychildrentosee. Didyouhavetoworryaboutthesethingswhenyouwereatmyage?Allthisishappeningbeforeoureyesandyetweactasifwehaveallthetimeandallthesolutions. HereyoumaybegovernmentofficialsbusinesspeopleorganizersreportersorPoliticians﹣butfirstofallyouaremothersandfatherssistersandbrothersauntsanduncles﹣andeachofyouissomebody'schild. I'monlyachildyetIknowweareallpartofafamily.Weshouldactasonesingleworldtowardsonesinglegoal. 1WhydoesSusukicomeheretospeak? A.ToencouragemorechildrentojoinE.C.O. B.ToshowtheachievementsE.C.O.hasmade. C.Tocallformoreeffortstoprotecttheenvironment. D.ToraisemoneyforthewildlifeinCanada. 2Whydoesthewriternolongergofishinginhishometown? A.Fishingdoesharmtotheenvironment. B.Thenumberoffishisdecreasing. C.FishingisnownotallowedinVancouver. D.Fisharefoundsufferingfrompollution. 3Whatdoestheunderlinedsentencesuggest? A.Theenvironmenthasbecomeworsethanbefore. B.Childreninthepastlivedahappierlife. C.Growingolderhumansdamagetheenvironmentmore. D.Todaychildrenaredoingwhatadultsshoulddo. 4Whoisthespeechdeliveredto? A.Twelveandthirteen﹣year﹣olds. B.Powerfulorinfluentialadults. C.ParentsofthekidsofE.C.O.. D.PeoplehelpedbyE.C.O..
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Harmonium簧风琴isabookofpoetrybyAmericanpoetWallaceStevens1879﹣1955.Itwashisfirstbookpublishedin1923.Thebookisacollectionof85poemsdifferentinlengthfromjustafewlinestoseveralhundred. EducatedatHarvardUniversityandNewYorkLawSchoolWallaceStevenslivedinHartfordConnecticutformostofhislifeworkingataninsurancecompany.Hewrotepoemsintheeveningsandonhiswaytoandfromwork.Harmoniumisanunusualbookofhis﹣hisfirstbookitdidn'tcomeoutuntilhewas44yearsoldrepresentingthecumulative累积的poeticworksofhislifeupuntilthatpoint. NowconsideredoneofthegreatestcontributionstomodernpoetryHarmoniumwasnotfullyrecognizeduntilthelastyearsofStevens'life.Harmoniumisalsounusualinbeingentirelysong﹣likeandmusical.Itisamixofnotonlypureandphilosophical哲学的thoughtsbutalsoimaginaryanddisorderedlinesofwords.TomostreadersHarmoniumisespeciallygoodinthevariouswaysStevensputhisthoughtsinpoetry.Therearepopularshortpoemsfullofimaginativedetailsandattentiontosoundandtherearelongerandmorephilosophicalpoemswiththeweightandimportanceofepicpoetry史诗. AlthoughmanyofthepoemshewrotethroughouthislifetimeareaboutthenaturalbeautyofConnecticuthispoemscameoutperhapsmoretrulyfrominsideanimaginativepoeticbeautyashewrote IwastheworldinwhichIwalkedandwhatIsawOrheardorfeltcamenotbutfrommyself; AndthereIfoundmyselfmoretrulyandmorestrange. 1WhyisHarmoniumanunusualbookofthewriter? A.Itwashisfirstandonlybook. B.Itcameoutinhislastyearsoflife. C.Itwasaresultofhispart﹣timejob. D.Itshowshisyearsofworkonpoetry. 2AsagreatworkofmodempoetrywhatisspecialofHarmonium? A.Itisacollectionofonly85poems. B.Itfirstputsphilosophicalthoughtsinpoetry. C.Variousinformthepoemsallsoundbeautiful. D.Connecticutbecomesbelterbecauseofthepoems. 3Whichofthefollowingcanbethebesttitleofthetext? A.WallaceStevensaspecialpoet. B.Ahobbymakesabrilliantpoet. C.Harmoniumbeautifulmodempoetry. D.ToknowConnecticutreadHarmonium.
LiMingwenttotheparkinlastSaturdayafternoonafterhehadalreadyfinishedhishomeworks.Hesawseveralboysskatinginthepondhappily.Suddenlyheheardacryforhelp.Lookedaheadhefoundoneoftheboyshadfallenintothewater.LiMingjumpedintoicywaterimmediatelyandtriedtopulltheboytosafety.Thentheboywasgivenfirstaidbutsooncametomyself.Theboy'sparentscamesoonaftertheyreceivedthephonecall.TheywereverymuchthankfulLiMingwhowastremblingtherewithcold.
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Fromthatdayonwheneight﹣year﹣oldJackwithgrayeyesbeganridingmyschoolbushewasatroublemaker.Hisfatherpassedawayandhedidnotlivewithhismother.Ifafight1itmusthaveJack.Ifagirlwascrying2werethatJackhadpulledherhair.Ipracticedeverybitof3talkingtohimagainandagainbutnouse.NomatterhowIspoketohim4orstrictlyhewouldstareatmewiththosebiggrayeyes5aword. TowardstheendoftheyearIreceivedmanysmallgiftsfromkidsonmybus.Alittlegirlsentmeastarkeychain.ShehadwrittenIlovePollyandPollylovesme.OnthelastdayofschoolIwas6becauseoftalkingtotheheadmaster.WhenIgotonthebusI7thatthestarkeychainwasgone.Jackwasthefirstonetogetonthebus.Checkhis8insistedthegirlwhohadgivenmethegift. Iaskedhimtocomeforward.I9myhandintoonepocket.ThenIfeltit﹣the10shapeofthekeychain.Jackstaredatmeforalongtime.Therewasno11inthosebiggrayeyesandnoplea请求for12.Heseemedtobewaitingforwhatwouldhappen.Iwasaboutto13thekeychainoutofJack'spocketwhenI14myself.Lethimkeepita15seemedtowhisper.ItmusthavefallenoffbeforeIgothereIsaidtothekids. ManyyearslaterIwasinadepartmentstore16someonesaidPolly?Iturnedtoseethebiggrayeyes.Tomy17hehuggedmeandpulled18fromhispocket﹣﹣﹣thekeychainthat19IlovePollyandPollylovesme. Youweretheonlyonewhokept20heexplained.Wehuggedagain… 1A.buildup B.gaveup C.brokeout D.pickedout 2A.challenges B.changes C.choices D.chances 3A.interest B.respect C.patience D.hope 4A.slowly B.gently C.coldly D.rudely 5A.without B.through C.after D.upon 6A.observed B.doubted C.complained D.punished 7A.wondered B.doubted C.admitted D.realized 8A.seat B.hands C.pockets D.schoolbag 9A.expanded B.raised C.hid D.reached 10A.charming B.original C.familiar D.normal 11A.pride B.regret C.pleasure D.anger 12A.encouragement B.admission C.mercy D.escape 13A.pick B.slide C.rid D.pull 14A.stopped B.enjoyed C.helped D.prepared 15A.sound B.voice C.tone D.noise 16A.until B.when C.before D.while 17A.delight B.fear C.surprise D.amusement 18A.something B.anything C.nothing D.everything 19A.wrote B.repeated C.appeared D.said 20A.asking B.persuading C.trying D.arguing
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Doyouwanttogethomefromworkknowingyouhavemadearealdifferenceinsomeone'slife? Ifyesdon'tcareaboutsexorage!Comeandjoinusthenyou'llmakeit! PositionVolunteerSocialCareAssistant NoPaywithFreeMeals PlaceManchester HoursPartTime Wearenowlookingforvolunteerstosupportpeoplewithlearningdisabilitiestoliveactivelives!Only4daysleft.Don'tmissthechanceoflendingyourwarmhandstohelpothers! Role Youwillprovidepeoplewithlearningdisabilitieswithallaspectsoftheirdailylives.Youwillhelpthemtodevelopnewskills.Youwillhelpthemtoprotecttheirrightsandtheirsafety.Butyourprimaryconcernistoletthemknowtheyarevalued. SkillsandExperienceRequired Youwillhavetherightvaluesandgreatlisteningskills.Youwillbehonestandpatient.YouwillhavetheabilitytodriveacarandtocommunicateinfluentwrittenandspokenEnglishsinceyou'llhavetohelpthosepeoplewithdifferentlearningdisabilities.Previouscare﹣relatedexperiencewillbeagreatadvantageforyou. 1Whatdoestheunderlinedpartyou'llmakeit!mean? A.You'llmakeothers'livesmoremeaningfulwiththisjob. B.You'llarrivehomejustintimefromthisjob. C.You'llearnagoodsalaryfromthisjob. D.You'llsucceedingettingthisjob. 2Thevolunteers'primaryresponsibilityistohelppeoplewithlearningdisabilities. A.togetsomefinancialsupport B.toproperlyprotectthemselves C.tolearnsomenewlivingskills D.torealizetheirownimportance 3Whichofthefollowingcanfirstbechosenasavolunteer? A.Theonewhocandriveacar. B.Theonewhohasdonesimilarworkbefore. C.Theonewhohaspatiencetolistentoothers. D.TheonewhocanuseEnglishtocommunicate.
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ThingsPositivePeopleDon'tDoPositivepeopledon'thaveamagicalpowerthatyoudon'tpossess.Insteadoflettingstresscontrolthempositivepeopletakecontroloftheirlifebymanagingstressandtryingtoimproveeveryday.1Theydon'tforgetlittlethings.Isiteasytoforgetlittlethings?CertainlyButpositivepeopledon'tmakeahabitofit.Insteadtheyexpressgratitudeforeveryblessingnomatterhowbigorsmallitis.2Theydon'tseeproblemsasproblems.3Theybelievethateverytroublecomesasanopportunitythatisyettobediscovered.Theytakethechancetochallengethemselvesandimprovethemselves.4Positivepeopledon'tfallfor'loseweightfast'or'getrichquick'lies.Theyknowthatanythingworthhavingrequireshardwork.Theyarecomfortablewiththefactthatachievingsuccessmighttakeabitlongerthantheyexpect.Theydon'tholdontohate.Positivepeopleunderstandthathateonlycausespaininlifeoverandoveragainsotheyletgoofit.5Andtheywillmoveonwithwhattheyhavelearnedfromthepains.A.Theydon'tthinklifeisperfect.B.Theychoosetoacceptandforgive.C.Theydon'texpectsomethingfornothing.D.Problemsareseenaschallengesforpositivepeople.E.Checkoutthefollowingthingstheydon'tdoandreflectonyourself.F.Infactit'sthelittlethingsthatusuallydecidewhethersuccessfinallycomes.G.Positivepeopleexploretheworldwithenthusiasmandcuriosityaskingasmanyquestionsastheycan.
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ThewriterMargaretMitchellisbestknownforwritingGonewiththeWindfirstpublishedin1936.HerbookandthemoviebasedonittellastoryofloveandsurvivalduringtheAmericanCivilWar.VisitorstotheMargaretMitchellHouseinAtlantaGeorgiacangowhereshelivedwhenshestartedcomposingthestoryandlearnmoreaboutherlife. OurfirststopattheMargaretMitchellHouseisanexhibitareatellingaboutthewriter'slife.ShewasborninAtlantain1900.Shestartedwritingstorieswhenshewasachild.ShestartedworkingasareporterfortheAtlantaJournalnewspaperin1922.OnephotographofMs.MitchellcalledPeggyshowshertalkingtoagroupofyoungcollegeboys.Shewasonlyaboutoneandahalfmeterstall.Theyoungmentoweroverherbutsheseemsveryhappyandsureofherself.ThetourguideexplainsNowinthispicturePeggyisinterviewingsomeboysfromGeorgiaTechaskingthemsuchquestionsas‘Wouldyoureallymarryawomanwhoworks?'Andtodayit'dbe‘Wouldyoumarryonewhodoesn't?' TheMargaretMitchellHouseisabuildingthatoncecontainedseveralapartments.NowweenterthefirstfloorapartmentwhereMs.MitchelllivedwithherhusbandJohnMarsh.TheymadefunofthesmallapartmentbycallingitTheDump. Around1926MargaretMitchellhadstoppedworkingasareporterandwasathomehealingafteraninjury.Herhusbandbroughtherbookstoreadfromthelibrary.Shereadsomanybooksthatheboughtheratypewriterandsaiditwastimeforhertowriteherownbook.OurguidesaysGonewiththeWindbecameahugesuccess.MargaretMitchellreceivedthePulitzerPrizeforthebook.In1939thefilmversionwasreleased.ItwontenAcademyAwardsincludingBestPicture. 1ThebookGonewiththeWindwas. A.firstpublishedonanewspaper B.awardedtenAcademyAwards C.writteninTheDump D.adaptedfromamovie 2TheunderlinedphrasetoweroverinParagraph2isclosestinmeaningto. A.beverypleasedwith B.showgreatrespectfor C.bemuchtallerthan D.showlittleinterestin 3WhydidMs.Mitchellstopworkingasareporteraccordingtothepassage? A.Becauseshewasrichenough. B.Becauseshewasinjuredthen. C.Becauseherhusbanddidn'tlikeit. D.Becauseshewantedtowritebooks. 4Whichisthebesttitleforthepassage? A.GonewiththeWindAHugeSuccess. B.MargaretMitchellAGreatFemaleWriter. C.AnIntroductionoftheMargaretMitchellHouse. D.ATriptoKnowMargaretMitchell.
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