Warmingup、Pre-reading、Reading、Comprehending (4).ppt

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1、人教课标高三选修9Unit2Unit2SailingtheoceansIndianOceanPacificOceanAtlanticOceanArcticOceanQuestion:Howmanyoceansarethereintheworld?WarmingupFerdinandMagellan费迪南德·麦哲伦Whatisanavigator?Anavigatorexploresnewroutesacrossthesea.theArcticOceantheIndianOceanthePacificOceantheAtlanticOc

2、eanVascodaGama瓦斯科·达伽马ChristopherColumbus克里斯托弗·哥伦布Whatisthedifferencebetweenanavigatorandanexplorer?NavigatorseanauticalinstrumentsfindnewislandsorcontinentsAnavigatorexploresthesea.Explorerlandusecompassandlandmarksfindnewplaceswithinanalreadyidentifiedislandorcontinent

3、Anexplorerdiscoversnewplacesonland.ZhengHeMarcoPoloJamesCookLookatthesefamouspeople.Aretheynavigatorsorexplorers?Whatdoyouknowaboutthem?ZhengHe1371-1433HeledalargefleettoexploreSoutheastAsia,IndiaandtheMiddleEastintheMingDynasty.Altogetherhemade7voyagesinthe15thcentury.

4、Hetravelledmorethan50,000kmandvisited30countriesnewtoChinaanddevelopedmanytradelinks.HeisconsideredoneoftheearliestnavalexplorersinChinesehistory.MarcoPolo1254--1324HeisthemostfamouswesternertotraveltheSilkRoadandtheonlypersontoprovideinformationaboutChinatotheoutsidewo

5、rld.In1271hesetouttoreachtheMongolEmpireandthenChina.In1295,hearrivedbackinEurope.ThreeyearslaterhewasimprisonedbytheGenoese.Whileinprison,hetoldthestoryofhistravelstoafellowprisonerwhowrotehisadventuresdown.Whenhisbookwaspublisheditbecameabest-seller.TheMapofMarcoPolo’

6、svoyageJamesCook1728-1779JamesCookwasthegreatestBritainnavigator.CookjoinedintheRoyalNavyin1755.In1768hewaspromotedandsenttothePacificwherehesurveyedTahiti,NewZealand,andAustralia.Onhisfamoussecondexpedition(1772-1775)heexploredAntarctica.In1776heundertookhisthirdandfin

7、alvoyageinwhichheexploredtheWestCoastofNorthAmericaandtriedtolocateapassagebetweentheAtlanticandPacificoceans.OnthisvoyagehediscoveredtheHawaiianIslands,andsailedupthecoastofNorthAmericathroughtheBeringStraitstotheArcticOcean.OnhisreturnhewaskilledbyHawaiianislanders.He

8、isregardedasoneoftheworld’sgreatestexploresandnavigators.Thefourbasicinstrumentsfornavigation:compass,astrolab