Unit13Newwords新教材课件
日期：2010-03-09 03:51
tapwater，drinkingwater，whileifitabsorbsheat，waterwillbechangedintogasHowmanykindsofwaterdoyouknow?seawaterriverwaterlakewaterpurewaterpollutedwaterpollutantfloatsalinityHowcanweexpressthevolumeofwater?cubeThecubeof5is1255cubicadjafivegallonbarrelotherunitsforweightgramkilogramouncecubicmeterHowiswaterused?transportindustryagricultureelectricityentertainmenthomeusefishmammalplanktonTheestuaryoftheYellowRiverQiantangTideTimeandtidewaitfornomanGuessthefollowingwordswithwhatyouhavelearnedaboutwordformation:submarinemarinemarinerkmkilometerkgkilogrammesensesensitivenursenurseryretellreproducepollutepollutantPracticeonp96??Youcantakeahorsetowater，butyoucantmakeitdrinkthrowoutthebabywiththebathwatermineralwater，ThePropertiesofWaterUnit13WordsandExpressionsWhatiswatermadeupof?HydrogenAtomOxygenAtomH2OthewatermoleculeHowmanystatesdoeswaterhave?solidliquidgasInfreezingweather(-0°centigrade)waterwillgiveoffheatandbechangedintoice，purifiedwater，sodawaterAllkin，
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