高三英语Unit2 crossing limitreading课件 人教版 课件VIP免费

Unit2Crossinglimits１月３日，英国１４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/navigatorLead-in1.Therearemanygreatnavigatorsintheworldofhistory.Doyouknowthem?Whatmadethemfamous?AbelTasmanInHollandAbelJanszoonTasman,anexplorer,wasborninHollandin1603anddiedin1659.HeisthefirstEuropeantodiscoverNewZealand.ColumbusInSpainColumbuswasSpanishsailors.Hemadefourvoyages.HewasthefirstmanwhodiscoveredAmerica.JamesCookInEnglandJamesCookwasaBritishcaptain.HemademapsofAustraliaandNewZealandZhengHeInChinaZhengHewasaChinesenavigatorintheMingDynasty.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routeQuestions:1.HowcanyougotoAfricafromAsia?2.Thetitleofourtextis‘ReachingOutacrosstheOcean’,socanyouguesswhatourtextmainlytalksabout?byairoverlandbyshipexploration/navigationIIScanning1HowmanyChineseexplorersarementionedinthetext?2WhatdoyouknowaboutthesilkRoad?Therearethree.TheyareGanYing,DuHuanandZhenghe.Silkroadbeganfrom_________alongtheGangsuCorridorandthento________and_________to________inexchangeforspicesandsilkXi’AnIndiaMiddleeastRomefindone’sway(to)设法到达,努力达到Exchange/exchange---for/inexchangefor3WhatpartdidtheSilkRoadplayinhistory?Chinesepeopleexchangedsilkforforeigngoods.IIICarefulreading:JudgethefollowingsentencesTrueorFalse1.TheEuropeanswerethefirstExplorerstotraveltoothercountries.2.AccuratemapsofthecountriesaroundtheIndianOceanweremadebeforethefifteenthcentury.3.Intheyearsbetween1405and1433,ZhengHesailedwestwardsonlyonvoyagesofexploration.4.ZhengHeinvitedAfricancountriestosendambassadorstoChina.FFFTIIICarefulreading:Fillinthecharts.PeriodNameWayoftravelGoodsGanYingIn751-762Inthe11thcenturyZhengHeIn97ADOverlandrhinoceroshornsDuHuanOnlandandbyboatTheAfricansByseaBronzestatueofalionIn1405-1433ByseaGiraffes,zebras,shells,elephantivory,medicine,rhinoceros-horn,etc.wasaChinesenavigatorintheMingDynasty.HemadesevenvoyagestotheIndianOceans.HewentuptoeasterncoastofAfrican.HewasthemanwhomadetheearliestvoyageinHistory.ZhengHeAfricaRedseaIndiahavecontactwith与…有接触,Ceylon(SriLanka)awareness---awareThetimeisripeforprosperexist---existenceSetsailfrombetweenChinaandAfricaoverthecenturiesthecoastaltownswerereachingtheheightoftheirpowerhadalargenavyandthewilltouseitThecontacts:InEastAfrica:TheMinggovernment:1.WhataretheconditionsforZhengHe’sexpeditions?LanguageParagraph1•形成人们努力形成人们努力（探索世界）（探索世界）的基础的基础•鼓舞某人做某鼓舞某人做某事事•formthefoundationformthefoundationforfor•inspiresb.todoinspiresb.todo1.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(one’s)searchfor,insearchof注：名词search前带有限定词a,the或one’s,后面一般用介词for;search前如不带限定词，后面一般用介词ofe.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•众所周知众所周知•与与…………交换交换•与与……有联系有联系•((偶然偶然))遇到遇到•ItiswellItiswellknownthat…knownthat…•inexchangeforinexchangefor•havecontactwithhavecontactwithmeetwithmeetwith2.exchangen....