Unit2CrossingLimitsCrossingLimitsWordsandExpressionWordsandExpressionWordsandExpressionWordsandExpressionParagraph1Paragraph1•形成人们努力（探形成人们努力（探索世界）的基础索世界）的基础•激起探索者寻找的激起探索者寻找的热情热情•formthefoundationformthefoundationforformankind’sgreatmankind’sgreatestestendeavourendeavour•inspireinspireexplorexplorererstostosearchforsearchforsp.sp.Paragraph2Paragraph2•众所周知众所周知•与……交换与……交换•ItiswellknownItiswellknownthat…that…•inexchangeforinexchangeforParagraph3Paragraph3•发展成为世界贸易发展成为世界贸易中心中心•developdevelopintotheintotheworld’stradingworld’stradingcentrecentreParagraph4Paragraph4•促进，导致促进，导致•被抓被抓•leadtoleadto•betakenprisonerbetakenprisonerParagraph5Paragraph5•拓展，伸出拓展，伸出•文化遗迹文化遗迹•追溯到追溯到•reachoutreachout•culturalrelicsculturalrelics•datefromdatefromParagraph6Paragraph6•意识到彼此的存在意识到彼此的存在•正式往来的时机成正式往来的时机成熟了。熟了。•到达了繁盛时期到达了繁盛时期•中国的新朝代开始中国的新朝代开始繁荣了。繁荣了。•thetheawarenessawarenessofofeachother’seachother’sexistenceexistence•ThetimewasripeforThetimewasripeforagrandmeeting.agrandmeeting.•reachtheheightofreachtheheightofpowerpower•ChinaChinaprosperedprosperedunderanewdynasty.underanewdynasty.Paragraph7Paragraph7•下西洋从事探险下西洋从事探险•在……的邻导之下在……的邻导之下•起航起航•sailwestwardssailwestwardsononvoyagesofvoyagesofexplorationexploration•undertheunderthecommandof…commandof…•setsail(to/from/setsail(to/from/for)for)Paragraph8Paragraph8•重新确立关系重新确立关系•送某人贵重礼物送某人贵重礼物•送信送信•设立使馆设立使馆•作为回报作为回报•货物交流的象征意货物交流的象征意义比货物本身的价义比货物本身的价值要重要的多。值要重要的多。•rerenewrelationsnewrelations•sendsendsb.asb.aroyalroyalpresentpresent•sendsendamessagetosb.amessagetosb.•openopenembassiesembassies•inreturninreturn•TheTheexchangeexchangeforgoodsforgoodshadahadasymbolicsymbolicmeaningmeaningfarfarmoreimportantthantmoreimportantthanthehevaluevalueofthegoodsthofthegoodsthemselves.emselves.•她的决定对他来说是个谜。•令我百思不解的是他们为什么没有出现。•她教他英语，他教她汉语。•他在街上游荡。Herdecisionwasapuzzletohim.Whatpuzzlesmeiswhytheydidn'tshowup.SheisgivinghimEnglishlessonsinexchangeforhisteachingherChinese.Hewanderedinthestreets.1.1.形成人们努力（探索世界）的基形成人们努力（探索世界）的基础础2.2.激起探索者寻找的热情激起探索者寻找的热情3.3.与……交换与……交换4.4.被抓被抓5.5.拓展，伸出拓展，伸出6.6.追溯到追溯到7.7.下西洋从事探险下西洋从事探险8.8.在……的邻导之下在……的邻导之下9.9.起航起航10.10.作为回报作为回报GrammarGrammarpredicatepredicateGoingHigh:ThePioneersofThePioneersoftheThirdPoletheThirdPole•suggestv.•accomplishv.•sicknessn.•scaredadj.•honestyn.•dedicationn.•technologicaladj.•n.suggestion•v.accomplishment•adj.sick•v.scare•adj.honest•v.dedicate•n.technologyParagraph1Paragraph1•发现最远的角落发现最远的角落•在地图上定位大洲在地图上定位大洲和大洋和大洋•到达南北极到达南北极•发现世界上主要河发现世界上主要河流的源头流的源头•exploreexplorethefarthestthefarthestcornerscorners•mapmapthecontinentsthecontinentsandtheoceansandtheoceans•reachtheNorthandreachtheNorthandSouthPolesSouthPoles•discoverdiscoverthetheoriginsoriginsofoftheworld’smajortheworld’sma...
