unit13Thewaterplanet新教材课件
日期：2010-05-04 05:56
ThePropertiesofWaterUnit13ReadingLookatthetitlesandpicturesinthetextDonotreadthewholetextPickoutthetopicofeachparagraphandusethestructuresbelowtomakesixquestionsQuestionsrelatedtothesubjectsWhatis/are_____________________?Whatdoes_____________________looklike?Whataredifferentpartsof__________?Whatcan___________becomparedto?Howdoes___________work?Whataresomeexamplesof______________?thepropertiesofwater(onepropertyofwater)theoceanstheoceanstheoceanslifeintheoceanStructureofthepassage1minutetoskimthepassage，focusingonthetitles(titleandsubtitles)inthetextandthenfillinthechartbelowYoudonotneedtoreadthewholetextCHEMICALSTRUCTURESALINITYTHEPROPERTIESOFWATERDENSITYHEATCAPACITYOCEANMOTIONReadingFindingTopicSentencesPara1Para2Para3Para4Para5Para6Para7ThepropertiesofwatermaketheoceanagreatplacetoliveThechemicalstructureofwatermakesitanexcellentmediumforlifeThesalinityofseawateraffectsbothitsweightandfreezingpointMarineanimalsandplantstakeadvantageo，
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