WelcometotheunitUnitUnit11Inyouropinion,whatisthemostbeautifulthingonecanexperience?Why?GroupdiscussionWhathaveyouknownaboutAlbertEinstein?Whywashesogreat?Einsteincontributedmorethananyotherscientisttothemodernvisionofphysicalreality.Hisspecialandgeneraltheoriesofrelativityarestillregardedasthemostsatisfactorymodelofthelarge-scaleuniversethatwehave.Hesolvedlotsofproblemsmysterioustousbefore…Doyouwanttoknowhisopinionofthemostbeautifulthingonecanexperience?Themostbeautifulthingonecanexperienceismysteries.Theyaretrulythebasisofallartsandsciences.------whatkindofattitudeshouldweadopttowardsmysteries?Haveyoueverheardofsomethingnotonlyinterestingandattractivebutalsounexplainedatallevenwiththehelpofmodernscienceandtechnologyintheworld?LeonardoDaVincipaintedtheMonaLisaonapieceofpinewood(松树)intheyear1506.TheBermudaTrianglePairwork1.Dothefivepictureshavesomethingincommon?Ifso,whatisit?2.Canscientistsexplainthesephenomena?3.Howdoyoufeelaboutthem?•Example:Theyaremysteriousbecausenosatisfactoryanswershavebeenofferedtoexplainthemsofar.Thoughthesemysterieshavepuzzledpeopleforalongtime,theystillshowgreatinterestinthem.Peoplefeelpuzzledbythemysteries…•Example:UFOstandsforUnidentifiedFlyingObjects,thatis,objects,apparentlymovinginthesky,whichwecannotidentify.TherearelotsofreportsaboutUFOs.Somesaytheyarealiensvisitingusintheirspacecraft,andsomesaytheyaremilitarytestaircraft,whileotherssaytheydonotactuallyexist.Sincewehaveneverseenonewithourowneyesandthereisnodefinitescientificexplanationforit,wearenotcertainwhetherUFOsreallyexist,butwebelieveeverythingwillbeclearinthefuture.WhatdothelettersUFOstandfor？unidentifiedflyingobjectsAretheyreallyfromanotherplanet?DoyoubelieveinUFOs?WhatmightbethemostacceptableexplanationforUFOs?Aliensfromspace.Militarytestaircraft.SomeUFOsarealien,somearetestaircraft.UFOsareevidenceofhumanspacetravel.UFOsareneitheraliennortestaircraft.UFOsdon’texist.ThechancesofseeingaUFOaregreaterforthosepeoplewholiveinsmalltownsorinthecountryandareoutsidelateatnight.UFOscomeinallshapesandsizes.Someareonlysmallspotsoflightthatmoveinstrangepatternsacrossthenightsky.Somecanbeseeninthedaytime.Theyareoftensaidtobedisk-orsaucer-shaped.Whereisit?HimalayasthehighestmountainrangeintheworldweatherHighwindsSnowstormsColdWet…Whysomanypeoplemakegreateffortstoclimbthem?HobbyDreamChallengethemselvesOvercomedifficultyMakediscoveries…YetiAbominablesnowmanWhatdoYetislooklike?Half-manandhalf-beastStrong,hairy…•TheYetiorAbominableSnowman,alsocalledthe“missinglink”（推想中从类人猿发展到人类之间的过渡生物）,issaidtobeahumanlikemonsterthatissupposedtoliveinHimalayas,thehighestmountainrangeintheworld.Severalsightings,mainlyoffootprints,havebeenreportedbywesternexplorersthroughouttheyears.Yetnoneofthemhavebeensupportedwithevidenceinanyway.LochNessAbiglakeinScotland,oneofScotland’stoptouristattractions,famousbecauseofNessie,theLochNessMonster.LochNessMonsterOnthe21stDecember1933,Thehunter,MAWetherall,"Itisafourfingeredbeastandithasfeetorpadsofeightinchesacross.Ijudgeittobeapowerfulsoftfootedanimalabout20feetinlength...Iamsurethatitcanbreathelikeacrocodilewithjustonenostriloutofthewater."StonehengePrehistoricmonumentonSalisburyPlain,southernEngland,consistingoftwoconcentriccircles(同心圆)oflargestandingstones,theheaviestofthemweighingprobablyabout45tons,oneofthemostfamousprehistoricsitesi...
