Unit 1 Tales of the unexplained Welcome to the unit 课件.ppt

Unit1TalesoftheunexplainedWelcometotheunit课件,Inyouropinion,whatisthemostbeautifulthingonecanexperience?Why?,Groupdiscussion,WhathaveyouknownaboutAlbertEinstein?Whywashesogreat?,Einsteincontributedmorethananyotherscientisttothemodernvisionofphysicalreality.Hisspecialandgeneraltheoriesofrelativityarestillregardedasthemostsatisfactorymodelofthelarge-scaleuniversethatwehave.Hesolvedlotsofproblemsmysterioustousbefore,Doyouwanttoknowhisopinionofthemostbeautifulthingonecanexperience?,Themostbeautifulthingonecanexperienceismysteries.Theyaretrulythebasisofallartsandsciences.,-whatkindofattitudeshouldweadopttowardsmysteries?,Haveyoueverheardofsomethingnotonlyinterestingandattractivebutalsounexplainedandunsolvedbytodaysscienceandtechnology?,TheBermudaTriangle,Pairwork,Dothefourpictureshavesomethingincommon?Ifso,whatisit?Canscientistsexplainthesephenomena?3.Howdoyoufeelaboutthem?,Example:Theyaremysteriousbecausenosatisfactoryanswershavebeenofferedtoexplainthemsofar.Thoughthesemysterieshavepuzzledpeopleforalongtime,theystillshowgreatinterestinthem.Peoplefeelpuzzledbythemysteries,Example:UFOstandsforUnidentifiedFlyingObjects,thatis,objects,apparentlymovinginthesky,whichwecannotidentify.TherearelotsofreportsaboutUFOs.Somesaytheyarealiensvisitingusintheirspacecraft,andsomesaytheyaremilitarytestaircraft,whileotherssaytheydonotactuallyexist.Sincewehaveneverseenonewithourowneyesandthereisnodefinitescientificexplanationforit,wearenotcertainwhetherUFOsreallyexist,butwebelieveeverythingwillbeclearinthefuture.组卷网,WhatdothelettersUFOstandfor？,unidentifiedflyingobjects,Aretheyreallyfromanotherplanet?,DoyoubelieveinUFOs?WhatmightbethemostacceptableexplanationforUFOs?,Aliensfromspace.Militarytestaircraft.SomeUFOsarealien,somearetestaircraft.UFOsareevidenceofhumanspacetravel.UFOsareneitheraliennortestaircraft.UFOsdontexist.,ThechancesofseeingaUFOaregreaterforthosepeoplewholiveinsmalltownsorinthecountryandareoutsidelateatnight.,UFOscomeinallshapesandsizes.Someareonlysmallspotsoflightthatmoveinstrangepatternsacrossthenightsky,Somecanbeseeninthedaytime.Theyareoftensaidtobedisk-orsaucer-shaped.,YetiAbominablesnowman,WhatdoYetislooklike?,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.,Areaofstandingcropsthathasbeenflattenedintheformofacircleormorecomplexpattern.Nogeneralcauseofcropcircleshasbeenidentifiedalthoughvariousnaturalandunorthodoxexplanationshavebeenputforward;maybemanyofthecirclesareknowntohavebeenhoaxes,Stonehenge,PrehistoricmonumentonSalisburyPlain,southernEngland,consistingoftwoconcentriccircles(同心圆)oflargestandingstones,theheaviestofthemweighingprobablyabout45tons,oneofthemostfamousprehistoricsitesintheworld,addedtotheUNESCOslistofWorldHeritageSitesin1986,builtbetween2800and1500BC,thoughtt