《阅读理解特训:3真2模含解析》2014届高三英语二轮突破12C7[2013·安徽卷]BUsingtoomuchwaterorthrowingrubbishintoourriversareclearwaysthathumanscanputourwatersupplyindanger,butwealsoaffectourwatersupplyinlessobviousways
Youmaywonderhowpaving(铺砌)aroadcanleadtolessusablefreshwater
Amajorpartofthewaterweuseeverydayisgroundwater
Groundwaterdoesnotcomefromlakesorrivers
Itcomesfromunderground
Themoreroadsandparkinglotswepave,thelesswatercanflowintothegroundtobecomegroundwater
Humanactivityisnotresponsibleforallwatershortages(短缺)
Drierclimatesareofcoursemorelikelytohavedroughts(干旱)thanareaswithmorerainfall,butinanycase,goodmanagementcanhelptomakesurethereisenoughwatertomeetourbasicneeds
Thinkingaboutthewayweusewatereverydaycanmakeabigdifference,too
IntheUnitedStates,afamilyoffourcanuse1
5tonsofwateraday
Thisshowshowmuchwedepen