高三英语整单元课件umit2unit2reading.ppt

unit2crossinglimits whatisthedifferencebetweenanavigatorandanexplorer navigator sea nauticalinstruments findnewislandsorcontinents navigatorissomebodywhofindsthepositionandplotsthecourseofashipusingmapsandinstruments explorer land useofcompassandlandmarks findnewplaceswithinanalreadyidentifiedislandorcontinent explorerissomebodywhotravelsintoorthroughaplaceinordertolearnaboutit veryoftennavigatorsarealsoexplorers intheyearbetween1405and1433 sevenlargetreasurefleetssailedwestwardsonvoyagesoftradeandexploration underthecommandofzhenghe thefleetssetsailfromthesouthchinaseaacrosstheindianoceantotheredsea andthentraveledfurthersouth discoveringtheeasterncoastofafrica herenewedrelationswiththekingdomsoftheeastafricancoast oneafricankingsentthemingemperoraroyalpresent twogiraffes about700yearsagoayoungtraderfromitalytookalongtriptocathay cathayisknownaschinatoday hewentwithhisfatheranduncle whohadtraveledthereoncebefore theystayedinchinaforabouttwodecades theyoungman snamewasmarcopolo hewaslikedbytheleaderinchinaatthetime heknewfourlanguagesandtraveledaroundthekingdomfortheleader whenmarcopoloreturnedtoitaly hedictatedhisstorytoawriter hetoldofthechinesepostalsystem papermoney andtheuseofcoalasfuel jamescook jamescook 1728 1779 wasthegreatestbritainnavigator cookenlistedintheroyalnavyin1755 in1768hewaspromotedandsenttothepacificwherehesurveyedtahiti newzealand andaustralia onhisfamoussecondexpedition 1772 1775 heexploredantarctica in1776heundertookhisthirdandfinalvoyageinwhichheexplored thewestcoastofnorthamericaandtriedtolocateapassagebetweentheatlanticandpacificoceans onthisvoyagehediscoveredthehawaiianislands andsailedupthecoastofnorthamericathroughtheberingstraitstothearcticocean onhisreturnhewaskilledbyhawaiianislanders thediscoveryofnewzealand thefirsteuropeantodiscovernewzealand abeltasman holland1603 1659 explanation 1 navigatorn 导航者 领航员navigatevi 航行 航海 航空vt 航行于 驾驶 操纵 使通过theynavigatedwithdifficultythroughthecrowd 他们在人群中坚难行进 navigationn 航海 航行navigationaladj 航海的 航行的 compass astrolabe theastrolabemeasurestheheightandpositionofthesun ifyoucanmeasurethisaccurately asailorcantellhowmanydegreestheboatisfromthenorthpole fromthishecantellwheretheboatisintheocean sextant thesextantisanavigationalinstrumentformeasuringtheanglebetweenthehorizonandsomeobjectinthesky quadrant nauticalchart nauticalchartsaremapsofthedepthoftheseaandthecurrentsoftheoceans theyprovidemodernsailorswithroutesthroughtheseas ratherlikeroadsthroughthecountryside theinformationbegantobecollectedinthenineteenthcenturyandhascontinuedtobeupdatedeversince fastreading 1what sthemainideaofthepassage 2howmanychineseexplorersarementionedinthetext 3whatdoyouknowaboutthesilkroad iifastreading 1what sthemainideaofthepassage howthesilkroadwasformed it saboutnavigationbetweenchinaandafrica c howchinadevelopedtradingrelationswitharabiccountries d zhenghe sexpeditionsacrosstheindianocean 2howmanychineseexplorersarementionedinthetext 3whatdoyouknowaboutthesilkroad therearethree theyareganying duhuanandzhenghe silkroadbeganfrom alongthegansucorridorandthento and to inexchangeforspicesandglass chang an india middleeast rome ganying to back anambassadorin97ad eastromanempire rhinoceroshorns handynasty duhuan betakenprisonerbythearabicarmy escaped wroteabookrecordsofmytravels wandered returned tangdynasty in751 in762 readthefirstparagraphandanswerthefollowingquestions1 whatformedthefoundationofmankind sinterestinexploration tradeandcuriosityformedthefoundationofmankind sinterestinexploration carefulreading 2 whatwascolumbus spurposeofsearchingforthewealthyasianlands hispurposeofsearchingwastoseektreasure 3 whichoceandoes westernocean referto itreferstopartofthepacificoceanwestofbruneiandpartoftheindianoceanalongthecoast 4 guesswhoexploredthewesternoceanbeforecolumbus manypeopleexploredthewesternocean amongwhomzhenghewasthemostfamous 1 whotraveledoverlandtotheeastromanempireinthehandynasty inthehandynasty ganyingtraveledoverlandtotheeastromanempire readparagraph2 5andanswerthefollowingquestions 2 betweenthehanandtheearlytangdynasty whichpartofafricadevelopedintotheworldtradecentre betweenthehanandtheearlytangdynasty swahilikingdomsandtheislandsofftheafricancoastdevelopedintotheworldtradecentre 3 duringthetangdynastywhichtravelerwroterecordofmytravels duringthetangdynastyduhuanwroterecordofmytravels 4 beforethesongdynastywhichmeansoftransportationdidchinesetravelersmainlyuse beforethesongdynastychinesetravelersmainlytraveledoverland 5 intheeleventhcentury whomadeseveralvoyagestothecourtofthesongdynasty intheeleventhcentury theafricansmadeseveralvoyagestothecourtofthesongdynasty readtherestofthetextandfillinthecharts in97ad overland rhinoceroshorns duhuan onlandandbyboat theafricans bysea bronzestatueofalion in1405 1433 bysea giraffes zebras shells elephantivory rhinoceros hornmedicine etc vreadingcomprehension 1 whowere was theearliestexplorer s ofthewesternocean a marcopolob christophercolumbusc europeanexplorersd bravemerchants2 throughthesilkroad chinagot fromothercountries a spicesandglassb silkc weaponsd milk 细枝末节 3 anafricankinggaverhinoceroshornstochinainorderto a makemoneyb stopthewarc showhisfriendshipd awardtheambassador4 whichofthefollowingbecametheworld stradingcenteroverafewcenturiesafterhandynasty a ceylon b indiac swanhilikingdoms d egypt 5 induhuan sbook recordofmytravels youcanlearnabout a marcopolob manyforeigncountriesc christophercolumbusd waystomakesilk6 whodoes th