十六单元 大海课件
日期：2010-07-01 07:21
WelcomeToOurClass!ThankYou!Lesson62satellitesastronautblueWhy?NorthpoleSouthpoleOneoceanThePacificaTheAtlanticbFourgreatoceans:TheIndianTheArcticencircleWithintheseoceansaresmallerbodiesofwatercalledseas，andgulfsReadpartonequicklyandfillinginthepaperSaltyTurntoPart3，andthesaltstaysinthelakeThesaltiestlakeintheworldistheGreatSaltLakeintheUSAThewateroftheDeadSeacontainsabout250partsofsalttoeverythousandpartsofwaterAnditisdifficulttoswimordive，Page211）Whatisthemostfamoussaltlakeintheworldandwhereisit？2）Whydosethelakebecomesosalty？3）Whichisthesaltiestlakeintheworld？4）CanyougiveanexampletoshowhowsaltytheDeadSeais？5）WhathasmadetheDeadSeasosalty？6）WhyisitcalledtheDeadSea？ThemostfamoussaltlakeintheworldistheDeadSeaanditisintheMiddleEastThelakebecomessosaltybecausewaterislostintotheairasaresultoftheheatofthesun，bays，asyourbodyalwaysfloatsonthesurfaceThemineralsthatmaketheDeadSeasosaltyarepartlysuppliedbyhundredsofnaturalspri，
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