(2013·高考安徽卷,B)Usingtoomuchwaterorthrowingrubbishintoourriversareclearwaysthathumanscanputourwatersupplyindanger,butwealsoaffectourwatersupplyinlessobviousways.Youmaywonderhowpaving(铺砌)aroadcanleadtolessuseablefreshwater.Amajorpartofthewaterweuseeverydayisgroundwater.Groundwaterdoesnotcomefromlakesorrivers.Itcomesfromunderground.Themoreroadsandparkinglotswepave,thelesswatercanflowintothegroundtobecomegroundwater. |
A.Usingriverwater. |
B.Throwingbatteriesaway. |
C.Pavingparkinglots. |
D.Throwingrubbishintolakes. |