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2017世界水日的英语作文:世界水日

更新时间:2025-08-07 14:28:51

2017世界水日的英语作文:世界水日

waterisoneofthemostvaluableresourceintheworld,istheidealliquidtosustainlife.mammalsinvivoisbetween60%and65%water,two-thirdsofthehumanbodyweight,99%ofthebrain,bonesareabout44%water.lackofwater,thehumanandtheearthwillnotsurvive,forestswilldisappear,theplantwillperish,theearthwillappeartheboundlessdesert,signsoflifewilldisappear.

currentlytheworldsfreshwateraccountsforonly2.5%ofthetotalwaterresources,ofwhichmorethan70%isfrozeninthearcticandantarcticicesheets,anditisdifficulttousethesnowonthemountainglaciersandpermafrost,87%ofthefreshwaterresourcesisdifficulttouse.humansreallyabletotakeadvantageofthefreshwaterresourcesispartoftheriversandlakes,andgroundwater,accountsforabout0.26%oftheearthswater.

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