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1、?SailingtheoceansSailingQuestion:Howmanyoceansarethereintheworld?PacificOceanAtlanticOceanIndianOceanArcticOceanworldmapexplorationWhatisanavigator?Whatisthedifferencebetweenanavigatorandanexplorer?Anavigatorexploresnewroutesacrossthesea.Anavigatorexplor
2、esthesea;anexplorerdiscoversnewplacesonland.ZhengHeIsheanavigatororanexplorer?HemadesevenvoyagesduringhislifetimeandcontributedgreatlytothescienceofnavigationinChina.compassAstrolabe(星盤)Sextant(六分儀)sea/nauticalchartnavigatorsearlynavigationalinstrumentsr
3、eadingSailingtheoceansUsingnatureKeepingalongsidethecoastlineUsingcelestialbodiesUsingwildlifeUsingtheweatherUsingtheseaUsingcelestialbodiestoplotthepositionstoworkoutthelatitudeaspecialcloudformationindicatesthereislandclosebyUsingwildlifeIfseaweedwasfr
4、eshandsmelledstrongly,theshipwasclosetoland.Seabirdscouldbeusedtoshowthewaytolandwhenitwasnowheretobeseen.UsingtheweatherfogTohelpidentifythepositionofastreamorriverwhen…TodirecttheirsailingUsingnavigationalinstruments1.Findinglongitude2.Findinglatitudet
5、hecompassthebearingcircle(方位圓)theastrolabe(星盤)thequadrant(象限儀,四分儀)thesextant(六分儀)LanguagePointWorkout⑴Seeifyoucanworkoutthisbillout.計(jì)算弄明白⑵Theplotissocomplicatedthatit’lltakeyouawhiletoworkitout.⑶Ican’tworkoutGeoff;onedayhe’sfriendly,thenextdayheignoresme
6、completely.⑷Ihaven’tworkedoutwho’sgongtolookafterthekidstonight.明白計(jì)劃identifyvt.把…等同于;認(rèn)出,鑒定,認(rèn)為同一Iidentifiedthejacketatonce；itwasmybrother’s．identificationn.辨認(rèn),鑒定,證明,視為同一identityn.同一性,身份,一致,特性,恒等式identitycard身份證1.Wemaywellwonderhowseamenexploredtheoceansbe
7、forelatitudeandlongitudemadeitpossibletoplotaship’spositiononamap.在經(jīng)緯度未能繪出航船在地圖上的位置之前，我們很想知道航海員是怎樣在海上探險(xiǎn)的。ReadingPage12①may/mightwelldosth.很可能，極有可能做某事Theseareexcellentphotographsandwemaywellusetheminourmagazine.②主語+think／feel／make／consider/find…+it+n.／adj
8、.+(for／ofsb.)+todo/that…其中it為形式賓語，for／of引出動(dòng)詞不定式的邏輯主語。我認(rèn)為學(xué)好英語對(duì)他很重要。IthinkitimportantforhimtolearnEnglishwell.我已經(jīng)表明我反對(duì)這個(gè)計(jì)劃。IhavemadeitclearthatIobjecttotheplan.atthemercyofIdon’tliketobeatthemercyofsuchaman.havemercyon/showm
