高中英语 Unit2Sailing the oceansListening课件 新人教选修9.ppt

listening 1 readthesewordsandthenlistentothetape circlethoseaidsthatearlysailorsusedtofindtheirway 2 listentothetapeagainandfillinthechart norway pacific studiedthewavesoftheocean watchedbirdstofindland 3 thesearesomevikingsailingdirectionsfromnorwaytogreenland sailwestbutkeeptothenorthoftheshetlandislandssoyoucanhardlyseethemingoodweather stayfarenoughsouthofthefaroessothattheirsteepmountainsarejusthalfwayupthehorizon keepsouthoficelandsothatyoucannotseelandbutjustcoastalbirds followthisrouteandyoushouldreachgreenland usetheinformationfromthelisteningtoexplainthesesailingstrategies vikingsusedtoprefertosailfollowingthecoastlinesotheycouldcheckthattheywereonthecorrectroute vikingsusedbirds andnaturalfeatureslikemountains todirecttheirships listeningtext navigationalsecretswangming wm hascometothemaritimemuseumingreenwichtotalktothenavalhistoriandrsmith ds wm thankyousomuchfortalkingtome pleasecanyoutellmehowsailorsmanagedbeforenavigationalinstrumentsorsatelliteswereinvented ds ofcourse atfirstiftherewasnolandnearbytheseamenusedtheskytofindtheirway theylooked atthecloudsinthedaytimeandthestarsatnight butverysoontheybegantodeveloplocalmaps about5 000yearsagosailorsfromphoeniciainnorthafricausedsimplemapstoguidetheirshipsaroundthemediterraneansea theywerethebesttradersoftheirday wm really howcleaver dideverybodyusesimplemaps ds no i mafraidnot itwasdifficulttohaveamapforsailingacrossopenseathen weknowthevikingsfromnorwayhadnowrittenmapswhentheysailedacrossthenorthsea wm thevikings didn ttheysailaroundandattackpeopleandtownsfromtheirships ds sometimes butwe renotinterestedinthat onlyintheirsuperiorsailingability wm isee sowhatdidtheydo ds well oneofthethingstheydidwasconcentrateonwatching birds there sthestoryofavikingcalledraven floki heusedtokeepbirdsonhisshipsbuthedidn tfeedthem thenwhenhethoughtlandwasnearhe dletthebirdsgoandiftheyflewstraighttoland allhehadtodowastofollowthem wm didhefindanynewlandstoliveon ds well hedidfindagoodwayofsailingfromthefaroeislandstoicelandusinghisravens it ssaidthathetookthreebirdsonhisshipwithhim whenhe dbeensailingforadayortwotowardsicelandheletthefirstbirdgo itflewbacktothefaroeislands adayafterthisheletthesecondbirdgo thisflewoutofsightbutcamebacktorestontheship sometimeafterthat heletthethirdbirdgo itheadedstraightforicelandsoraven flokifolloweditandarrivedtheresafely wm thatsoundsclever i veheardtooaboutthepolynesiansinthepacificocean theydidsomeamazingvoyageswithoutanynavigationalinstrumentstohelpthematall howdidtheydothat ds nobody sreallyquitesure butitseemsthattheystudiedthecurrentsinthewater thecolouroftheseaandthedifferentkindsofwaves wm dopolynesiansailorsstilldothat ds notnowadaysi mafraid wm havewelostthisskill ds yes i mafraidwehave ancientpolynesiansmademapsofleavesandshellswhichotherswereabletofollow ifonlywecouldreadthemwewouldbeabletounderstandmoreoftheirnavigationalskills thesailorsfromphoenicia norwayandpolynesiacouldcertainlyteachusalot fadeout listeningonp59 zhenghesailedfromchinatomanyplacesthroughoutsouthpacific indianocean taiwan persiangulfanddistantafricainsevenepicvoyagesfrom1405to1433 some80yearsbeforecolumbus svoyages 1 whatplacesmighthevisit 2 whatdidhebringback 3 whydidhesetoffthevoyages 4 whydidn ttheemperorcontinuethispolicy 5 whyishesoimportantinthehistory pre listening listentothetapeandtickthoseportsandislandsmentionedinthetext exercise3 noreportsofothernavigatorsforthisperiodhavesurvived itwaswrittenindocuments thewritersmentionitinthebooks hemade7voyagesandvisitedmorethan30countries zhengheremarkshowmuchtheforeignkingslikedporcelainandsilk 1 hebroughtagiraffefortheemperorfromafrica 2 hebroughtscarvesoffinegolddecoratedwithpearlsandpreciousstones exercise4 theemperorwantedtodemonstratechinesepowerabroadso 2 whenhediedzhenghewantedpeopletoknowhowsuccessfulhehadbeenso hesentzhenghewithalargefleetofshipstovisitnewplacesinneighbouringcountries heputupapillardescribingallhisachievements 3 thewriterswantedpeopletobelievethatzhenghe sshipswerelargeso 4 thewriterswantedpeopletobelievezhenghewasveryimportantso thattheywouldbelievethathereallyhadachievedgreatthingsandgonetomanyforeigncountries theydescribedhimasbeingeightfeettall listeningtext whowaszhenghe lihuaying lh celiamain cm lh themostfamouschinesenavigatorwaszhenghelivedfrom1371to1433andmadesevenvoyagesaroundthesouthchinasea acrosstoindiaandevenasfarastheeasterncoastofafrica itwas600th anniversaryofthesevoyagesin2005 cm arethereotherfamouschinesenavigatorsorisheonlyone lh heistheonlyonewe vegotevidencefor cm sotheremayhavebeenothers lh wedon tknow that sbecausealateremperormayhavedestroyedalotofevidenceofothervoyages cm isee wheredidzhenghego lh thedocumentstellusthathewasborninyunnan hebuiltapillartorecordhisachievements itstatesthathemadesevenvoyagesandvisitedmorethanthirtycountries hesaidthattheemperororderedhimtoshowthestrengthofchinesepowerandmeet foreignersfrombeyondtheseas sohewentto unknownplacesandsetuptrade cm tellmeabouthisvoyages lh well onhisfirstvoyagehevisitedcalicutinindia thepeopletherewereveryimpressesandalittlefrightenedwhentheysawsomanylargeships sotherulerwiselydecidedtomakefriendswiththesestrangers hegavezhenghe manyscarvesmadeofgoldanddecoratedwithjewels thenheentertainedhimandhismenwithmusicandsongs cm didhegotootherplaces lh yes onothervoyageshevisitedchampa andsumatranearchina hormuz andadeninthepersiangulfandmogadishuinafrica zhengheopeneddiplomaticrelationswiththemandgavethem presents cm whatdidchineseofferasgifts lh zhe