高一英语 unit1 welcome to the unit课件牛津版必修2.ppt

module2 makingdiscoveries talesoftheunexplained unit1 herearesomepicturesonthescreen canyoutellmewhattheyare ufos unidentifiedflyingobjects thechancesforseeingaufoaregreaterforthosepeoplewholiveinsmalltownsorinthecountryandareoutsidelateatnight ufoscomeinallshapesandsizes someareonlysmallspotsoflightthatmoveinstrangepatternsacrossthenightsky somecanbeseeninthedaytimeareoftendisk orsaucer shaped 2001年12月26日傍晚5时04分杭州 2005年1月5日清晨7点30分北京 2005年11月5日在永康大寒山 doyouthinksuchkindofthingsmysterious areyoucuriousaboutthem besidesufos canyoulistanythingmoreunexplainedyou veeverheardorseeninyourdailylife haveyouheardstoriesaboutthesethings himalayasthehighestmountainrangeintheworld yetiabominablesnowman half manandhalf beast lochness thelargestofaseriesofinterlinkedlochs orlakes locatedinnorthernoneofscotland stoptouristattractions locknessmonster stonehenge prehistoricmonumentonsalisburyplain southernengland consistingoftwoconcentriccirclesoflargestandingstones itwasbuiltbetween2800and1500bcandisthoughttohavebeenanastronomicalcalendaroratempletothesun thesphinx halfhuman halflion thesphinxis240feetlongand66feethigh pyramids egypt howwide thebaseofthegreatpyramidisasquarewitheachsidemeasuring230m 756ft andcoveringanareaof5 3hectares 13acres howmuchisthat imagineafootballfield nearly10footballfieldscouldfitwithinthebase theareaofthebaseisalsoequaltoaboutsevencityblocksinnewyorkcity ifyouweretowalkaroundthebase abouthowfarwouldyouwalk 500m 1 640ft 1850m 6 069ft 920m 3 018ft howtall at146 5m 481ft high thegreatpyramidstoodasthetalleststructureintheworldformorethan4 000years todayitstandsat137m 449 5ft high havinglost9 5m 31ft fromthetop howheavy morethan2 300 000limestoneandgraniteblockswerepushed pulled anddraggedintoplaceonthegreatpyramid theaverageweightofablockisabout2 3metrictons 2 5tons howmuchisthat well youcanthinkofitintermsofrefrigerators anaveragerefrigeratorweighsabout91kg if1metricton 1 000kg howmanyrefrigeratorsequala2 3 metrictonblock a 25refrigerators5refrigerators90refrigerators howsteep eachsideofthegreatpyramidrisesatanangleof51 5degreestothetop notonlythat eachofthesidesarealignedalmostexactlywithtruenorth south east andwest forapyramidtolooklikeapyramid eachofthefourtriangular shapedsidesmustslopeupandtowardseachotheratthesameanglesothattheymeetatapointatthetop thebuildersconstructedthepyramidlayerbylayer startingatthebottom theyhadtochecktheirworkoften forevenatinyerroratthebottomcouldgrowintoaverylargeerrorbythetimetheworkersreachedthetop 2 ifyousawaufooramonstersomeday whatwouldyoudo groupdiscussion 1 doyoubelieveinunexplainedthingsmentionedabove whyorwhynot languagepoints mystery神秘 神秘的事物 谜 他是怎样进去的是一个谜 howhegotinisamystery 谁把书拿走了 这是个谜 whohastakenthebook itisamystery 世界上有太多解不开的谜 therearetoomanyunexplainedmysteriesintheworld advanced adj 高级的 年老的 先进的 advancedteachingmethods 先进的教学方法apersonofadvancedage 年迈的人theadvancededucation高等教育advancedmathematics高等数学advancedstudies高深的研究advancedideas先进的思想 runinto跑进 撞上 偶遇 陷入 达到 昨天我在街上碰见十年未见的老朋友了 iranintoanoldfriendyesterdayinthestreet whomihadn tseenfor10years 那天他撞到另外一辆车的车尾了 heranintothebackofanothercartheotherday translatethefollowingphrases 充满神秘2 先进的科学与技术3 一艘沉船4 相信未解之谜5 偶遇一个飞碟 befullofmysteries advancedscienceandtechnology asunk