Warmingup、Pre-reading、Reading、Comprehending.pptx

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1、Unit2SailingtheoceansSeeafilmandanswerthequestion:Whatisthefilmabout?Lead-in:Newwordsandexpressionsvoyage:longjourneybyseaorinspacemercy:kindnessorforgivenessatthemercyof:underthecontrolofsb.orsth.encyclopedia:bookorsetofbooksgivinginformationabouteverybranchofknowledgeexploration:activityo

2、fexploringminimum:leastorsmallestcelestial:heavenly;oftheskypole:pointNewwordsandexpressionsequator:imaginarylinearoundtheearthhalfbetweenitsnorthandsouthpoleshorizon:lineatwhichtheearthandskyappeartomeetknot:apartwhereoneormorepiecesofstring,rope,clothetc.accelerate:speeduplog:thickpieceof

3、woodmagnetic:havingthequalitiesofamagnetprecise:exactoraccurateCompass/'kʌmpəs/Astrolabe(星盘)/'æstrəleɪb/Sextant(六分仪）/'sekstent/Sea/NauticalChart（航海图）EarlynavigationalinstrumentsHowdoyouthinkseamanfoundtheirwaybeforemodernaccuratemethodsofnavigationwereinvented?1.Whatisthetypeofwritingofthep

4、assage?A.Narration(记叙文)B.exposition(说明文)C.argumentation(议论文)2.Howmanyinstrumentsareusedtofindlatitude?A.3B.4C.2D.5Fast-readingBB1.Howdidtheyusenaturetohelpsailtheoceans?2.Whydidtheyuseinstrumentsinthesailing?3.Whyarespeedandtimeimportantinworkingoutthelongitudeoftheship?4.Whataretheworkingp

5、rinciplesofthefollowinginstruments?Bearingcircle/Sextant5.Whatarethelanguagefeatures（特点）ofthepassage?6.Whatcanwelearnfromancientnavigators?Detailedreading1.Howdidtheyusenaturetohelpsailtheoceans?KeepingalongsidethecoastlineUsingcelestialbodiesUsingwildlifeUsingtheweatherUsingtheseaUsingcele

6、stialbodiestoplotthepositionstoworkoutthelatitudeaspecialcloudformationindicatesthereislandclosebyUsingwildlifeIfseaweedwasfreshandsmelledstrongly,theshipwasclosetoland.Seabirdscouldbeusedtoshowthewaytolandwhenitwasnowheretobeseen.UsingtheweatherTohelpidentifythepositionofastreamorriverwhen

7、…Todirecttheirsailingfogwind2.Whydidtheyuseinstrumentsinthesailing?Becausetheycouldusethemtofindlongitudeandlatitude.3.Whyarespeedandtimeimportantinworkingoutthelongitudeoftheship?Becausetheearthmovesfifteendegreeswestwardseveryhour.Ifyouknowyourdirectio