integrating2高二英语课件
日期：2010-11-22 11:06
000kg/m3，soithelpstokeepwaterfromflowingaway4Marinescientistsstudyther_____________betweenlivingcreaturesandtheirhabitatintheocean5Lifeintheoceansappearsindifferentsizes，r__________fromthetiniestfishallthewayuptothebiggestbluewhales6Oilhasadensitylowerthan1，1Thewatermoleculeismadeupoftwoh___________atomsandoneo________atom2Waterisaliquidatroomtemperature，butitturnsintoas________whenthetemperaturedropsbelow0℃andintoagaswhenheatedabove100℃3Thesoilcana__________water，soitwillf_____onwaterolidbsorbydrogenxygenloatelationshipangingUnit13 TheWaterPlanet1Whatisthechemicalstructureofwater?Carbon&OxygenNitrogen&OxygenHydrogen&Oxygen2Whatisthefreezingpointofwater?A0℃B100℃C0℉3Whatstateiswaterinatroomtemperature?ALiquidBSolidCGas???4AnicecubecanfloatonwaterIthassomethingtodowithwater’ssalinityBdensityCheatcapacity5ThecoastalareasareoftenneithertoohotnortoocoldIt’sbecauseofwater’sAs，
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