课件类：人教版高三英语UNIT2.ppt

Unit2Crossinglimits,月日，英国岁少年迈克尔佩汉姆单人航海横渡大西洋，成为完成这项壮举的最年轻的航行者。,Theyoungestvoyager/navigator,Lead-in1.Therearemanygreatnavigatorsintheworldofhistory.Doyouknowthem?Whatmadethemfamous?,AbelTasmanInHolland,AbelJanszoonTasman,anexplorer,wasborninHollandin1603anddiedin1659.HeisthefirstEuropeantodiscoverNewZealand.,ColumbusInSpain,ColumbuswasSpanishsailors.Hemadefourvoyages.HewasthefirstmanwhodiscoveredAmerica.,JamesCookInEngland,JamesCookwasaBritishcaptain.HemademapsofAustraliaandNewZealand,ZhengHeInChina,ZhengHewasaChinesenavigatorintheMingDynasty.HemadesevenvoyagestotheIndianOceans.HewentuptoeasterncoastofAfrican.HewasthemanwhomadetheearliestvoyageinHistory.,longbefore/beforelong(=soon),Theirstoriesinspiredexplorers.,公元前138年出发,公元前126年返回,张骞第一次出使西域路线图,route,Questions:1.HowcanyougotoAfricafromAsia?2.ThetitleofourtextisReachingOutacrosstheOcean,socanyouguesswhatourtextmainlytalksabout?,byairoverlandbyship,exploration/navigation,IIScanning,1HowmanyChineseexplorersarementionedinthetext?2WhatdoyouknowaboutthesilkRoad?,Therearethree.TheyareGanYing,DuHuanandZhenghe.,Silkroadbeganfrom_alongtheGangsuCorridorandthento_and_to_inexchangeforspicesandsilk,XiAn,India,Middleeast,Rome,findonesway(to)设法到达,努力达到,Exchange/exchange-for/inexchangefor,3WhatpartdidtheSilkRoadplayinhistory?,Chinesepeopleexchangedsilkforforeigngoods.,IIICarefulreading:JudgethefollowingsentencesTrueorFalseTheEuropeanswerethefirstExplorerstotraveltoothercountries.2.AccuratemapsofthecountriesaroundtheIndianOceanweremadebeforethefifteenthcentury.3.Intheyearsbetween1405and1433,ZhengHesailedwestwardsonlyonvoyagesofexploration.4.ZhengHeinvitedAfricancountriestosendambassadorstoChina.,F,F,F,T,IIICarefulreading:Fillinthecharts.,In97AD,Overland,rhinoceroshorns,DuHuan,Onlandandbyboat,TheAfricans,Bysea,Bronzestatueofalion,In1405-1433,Bysea,Giraffes,zebras,shells,elephantivory,medicine,rhinoceros-horn,etc.,Unit2Reading,ReachingOutAcrossTheOcean,wasaChinesenavigatorintheMingDynasty.HemadesevenvoyagestotheIndianOceans.HewentuptoeasterncoastofAfrican.HewasthemanwhomadetheearliestvoyageinHistory.,ZhengHe,Africa,Redsea,India,havecontactwith与有接触,Ceylon(SriLanka),awareness-aware,Thetimeisripefor,prosper,exist-existence,Setsailfrom,betweenChinaandAfricaoverthecenturies,thecoastaltownswerereachingtheheightoftheirpower,hadalargenavyandthewilltouseit,Thecontacts:,InEastAfrica:,TheMinggovernment:,1.WhataretheconditionsforZhengHesexpeditions?,Language,Paragraph1,形成人们努力（探索世界）的基础鼓舞某人做某事,formthefoundationforinspiresb.todo,search,它的宾语一般是被搜查的人或某一场所，而不是所要找的东西,searchfor用极大的注意力去找，往往指寻找遗失的人或物，而不是被搜查的人或场所,in(ones)searchfor,insearchof,注：名词search前带有限定词a,the或ones,后面一般用介词for;search前如不带限定词，后面一般用介词of,e.g.Somebirdsflysouthinsearchofwintersun.有些鸟南飞去寻找冬天的温暖。Thehusbandjoinedthewifeinhersearchfortheunknownelement.丈夫和妻子一起去寻找那未知的元素。,Paragraph2,众所周知与交换与有联系(偶然)遇到,Itiswellknownthatinexchangeforhavecontactwithmeetwith,2.exchangen.&v.交换，互换,n.)Exchangeisnorobbery.交换并非抢夺。,v.)常与for或with连用，表示“交换，互换”,MayIexchangeseatswithyou?,exchangesth.withsb.exchangeAforB,Paragraph3,发展成为世界贸易中心坐落在非洲海岸的王国和岛屿,developintotheworldstradingcentrethekingdomsandtheislandsofftheAfricancoast,Paragraph4,提供有关的信息流浪，闲逛,betakenprisoner(takesb.prisoner)giveinformationonwander(through),被抓,被俘虏,3.wander(常与about/in/through连用)Thechildrenwanderedinthewoods.Theriverwandersthroughbeautifulcountry.Theywanderedupanddowntheroadaimlessly.Hismindwanderedbacktohiscollegelife.,思绪联想到，回到,信步来回溜达,蜿蜒流过,漫步,拓展到，伸出到文化遗迹追溯到铜像,reachouttoculturalrelicsdatefrom(=datebackto)bronzestatues,Paragraph5,4.date此处为v.确定的年代,通常与from或backto连用，意为“追溯到”,e.g.ThiscustomdatesbacktotheTangDynasty.这习俗可以追溯到唐朝。,意识到彼此的存在正式往来的时机成熟了。到达了繁盛时期中国的新朝代开始繁荣了。,theawarenessofeachothersexistenceThetimewasripeforagrandmeeting.reachtheheightofpowerChinaprosperedunderanewdynasty.,Paragraph6,5.existencen.存在，生存,e.g.Thefishowesitsexistencetowater.鱼依赖水生存。,vi.exist生存，存在,Saltexistsinmanythings.,商船队下西洋从事探险在的领导之下,treasurefleetssailwestwardsonvoyagesofexplorationunderthecommandof,Paragraph7,起航红海海口,setsail(to/from/for)themouthoftheRedSea,Paragraph7,和重新确立关系送某人贵重礼物送信设立使馆作为回报,renewrelationswithsendsb.aroyalpresentsendamessagetosb.openembassiesinreturn,Paragraph8,Theexchangeofgoodshadasymbolicmeaningfarmoreimportantthanthevalueofthegoodsthemselves.货物交流的象征意义比货物本身的价值要重要的多。,Theexchangeofgoodshadasymbolicmeaningfarmoreimportantthanthevalueofthegoodsthemselves.Whatwasthesymbolicmeaning?,Cultureexchange-advancecivilizationAdvanceeconomyHelptoimprovetheindustryofmakingshipsPromotethedevelopmentofthewholeworldToshowtheirfriendship,6.inreturn(for)作为的回报(报答)，作为的交换,e.g.IhelpedhimwithhisChineseandhehelpedEnglishinreturn.,Handmoneyinreturnforgoods.,Itis+一段时间+before.“以后才”Itwillbefiveyearsbeforewemeetagain.五年后我们再见面。Itwillbeatleastthreeyearsbeforeheforgetaboutit.至少3年后他才会忘记这件事,Putthesentencesingoodorder.1.Intheeleventhcentury,theAfricansmadeseveralvoyagestothecourtofthesongdynasty.2.MerchantsfromtheArabiccountriesbegantotraveltotheSwahilikingdomandtheislandsofftheAfricancoasttotradewiththem.3.PeopleoftheHanDynastyexchangedsilkforspicesandglasswithIndiansandRomansbywayoftheSilkRoad.4.TheChinesetraveller,DuHuan,wanderedthroughArabiccountriesforabout10years.5.ChristopherColumbusandotherEuropeanexplorerssearchedforroutestoAsia.6.ZhengHemadesevenvoyagesanddiscoveredtheeasterncoastofAfrica.,3,2,4,1,6,5,Post-reading,Whowere(was)theearliestexplorer(s)oftheWesternOcean?A.MarcoPoloB.ChristopherColumbusC.EuropeanexplorersD.Bravemerchants2.AnAfricanKinggaverhinoceroshornstoChinainorderto_.A.makemoneyB.stopthewarC.showhisfriendshipD.awardtheAmbassador.3.Whichofthefollowing