高中英语（人教版）选修九同步课件U2P1Warmingup

Unit2Sailingtheoceans更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Objectives1.了解人类早期的航海术。2.了解历史上著名的航海家、探险家及著名的航海事迹。3.学习表示“原因与结果”的用语。4.学习本单元的词汇。5.进一步复习掌握谓语的用法。更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】WhenwewanttotalkaboutafamousnavigatorinChinesehistory,whowouldyouliketothinkoffirst?Apersonwhodirectstherouteorcourseofaship,aircraft,orotherformoftransportation,esp.byusinginstrumentsandmapsnavigator更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】NavigatorsorExplorersWhatisthedifferencebetweenanavigatorandanexplorer?更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Navigator

issomeonewhofindsthepositionandplotsthecourseofaship,anaircraft,acar,etc,usingmapsandinstruments.

Navigator

seanautical(航海的)instrumentsfindnewislandsorcontinents更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Explorerissomeonewhotravelsintoorthroughaplaceinordertolearnaboutit.Veryoftennavigatorsarealsoexplorers.

Explorer

landuseofcompassandlandmarksfindnewplaceswithinanalreadyidentifiedislandorcontinent更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】He(1371-1433)

sailedfromChinatomanyplacesthroughoutSouthPacific,IndianOcean,PersianGulfanddistantAfricainsevenepicvoyagesfrom1405to1433,some80yearsbeforeColumbus'svoyages.ZhengHe更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】He(1254-1324)wasborninVenice.HeisprobablythemostfamousWesternertotraveltheSilkRoad.

Hereachedfurtherthananyofhispredecessors,travellingbeyondMongoliaandintoChina.Finallyhisadventureswerewrittendownandthisbookwaspublishedandbecameabest-seller.MarcoPolo更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Marco’sTravelingMap更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】MapofChinainYuanDynasty

MarcoPolotraveledwithhisfathertoChinaduringtheYuanDynasty,whenKublaiKhanruledChina.MarcowassurprisedatChinesecustomsandskillssuchasusingcoalforheating,papermoney,noodle-makingandmanyotherthings.更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】He(1728-1779)wasthegreatestBritainnavigator.HeenlistedintheRoyalNavyin1755.

In1768hewaspromotedandsenttothePacificwherehesurveyedTahiti,NewZealand,andAustralia.Onhisfamous2ndexpedition(1772-75)heexploredAntarctica.In1776inhisthirdandfinalvoyage,heexploredtheWestcoastofNorthAmericaanddiscoveredtheHawaiianIslands.JamesCook更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】He(1451–1506)wasaSpanishsailor.Hemadefourvoyages.Heisfamousallovertheworldnow.PeopleconsiderhimtohavediscoveredAmericafirst.Columbus更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Thefourbasicinstrumentsfornavigation:

Sinan,InchAstrolabe,Sextantandnauticalmap.Sinan,theancientChinesecompass.Pre-reading更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】ItwasinventedbyZhangHengintheHandynasty.Itismadeupofabronzefoundation(青铜地盘)andmagneticspoon(磁勺)whichismadeofnaturalmagnet,positionedrightinthecentralofthefoundation.更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Thehandleofthespoonpointstothesouth,whiletheothersidepointstothenorth.WhentheSinanisinthestill,thehandleofthespoonpointstothesouthbecauseofinfluenceoftheterrestrialmagnetism(地磁).

更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Ithas17starslistedaswellasamapoftheskyoverhead(for37degrees)andtheecliptic(黄道).ThetimeofdayornightisontheoutsideedgewithnoonatthetopoftheAstrolabeandmidnightatthebottom.Itcomeswithacarryingchain,apouch,andabookonitsuse.Thereversesidehasasightformeasuringtheelevationsoftheheavenlybodies.astrolabe更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】sextant更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Thesextant

isanavigationalinstrumentformeasuringtheanglebetweenthehorizonandsomeobjectinthesky.Firstasailorlooksatthehorizonthroughaneyepiece.Atthesametimehecanseelightfromthesunorastarreflectedoffasmallmirrorontopoftheinstrument,ontoasecondmirrorandintotheeyepiece.更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Thenavigatorcanthenseetwoimages,thehorizonandthesunsidebyside.Hecanthenmeasuretheanglebetweenthemonascaleatthebottomoftheinstrument.Thescalegoesfrom0to120degrees.Anearlierinstrument,calledaquadrant,measuredinangleinthesamewaybutitcouldonlymeasureanglesfrom0to90degrees.更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】sea/nautical/marinechart更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Nauticalcharts

aremapsofthedepthoftheseaandthecurrentsoftheoceans.Theyprovidemodernsailorswithroutesthroughtheseas,ratherlikeroadsthroughthecountryside.Theinformationbegantobecollectedinthenineteenthcenturyandhascontinuedtobeupdatedeversince.ThesechartswerenotavailabletoCaptainBlighorZhengHe.更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】Whichonesdoyouthinkarestillusedtoday?Seachartsarestillusedtoday.更多部编版资料、教材、课件、PPT的免费获取，添加学姐微信【xuejie0627】

1Howdoyouthinkseamenfoundtheirwaybeforemod