Unit1Talesoftheunexplained教材背景链接UFO全称为不明飞行物(unidentifiedflyingobject)，一些人相信它是来自其他行星的太空船，有些人则认为UFO属于自然现象。请读下面一段短文，你认为这是真的吗？OnJanuary31,1978，threeyoungboyswereskatinginMontvale,NewJersey,whentheysawaflyingobjectoverhead.Sinceitstayedfornearlyfiveminutes,theboysgotagoodlookattheobject.Itwassquarewithroundcorners.Andateachcornertherewasayellowlight.Beforetheycoulddiscusswhathadhappened,theynoticedamaninayellowsuitacrosstheroadfromthefield.Michaelthoughtitwasaneighborwhooftenwalkedintheevening.“MrJohnson，”Michaelcalled,“didyouseethatUFO？”Immediatelythemanturnedtowardtheboys,anditwasnotMrJohnson.Helookedmorelikeahawkthanaman.Then,tenothercreatures,allinyellowsuits，joinedhim.Eachonehadlarge,dark,squareholeswherehiseyesshouldhavebeen.Thentheboysnoticedanother—awoman,theybelieved.Shewaswearingashortdressandwalkingdowntheroad.Asshegotfartheraway,somethingevenstrangerhappened.“Partsofherbody，”thethreeboyslaterreported,“keptgoingawayandcomingbackagain.”Finallythewomanwalkedthroughthewallofabuildinganddisappearedcompletely.Theboyshadconcentratedsomuchonwatchingthewomanthattheydidnotseewhathadhappenedtothecreaturesintheyellowsuitsbeforetheydisappeared.新课导入浩瀚的宇宙中蕴含着许多不为人知的奥秘。数千年来人们一直在不断地探索着，梦想着有一天能一一揭秘，并为孤独的人类寻找到自己的伙伴。尽情畅想，当遍布天体的宇宙不再是孤独相望，当神秘静悄的星体上开始活跃生灵的迹象时，你会不会觉得宇宙因生命的存在而更加多姿多彩、绚烂无比呢？本部分内容讲解结束按ESC键退出全屏播放按ESC键退出全屏播放
