英语阅读理解Waterisveryimportanttous.Wecannotlivewithoutit.Thereisalotofwaterontheearth,butwecannotusemostofit.About97.4%oftheearth’swaterissalty.MostofthefreshwaterissnowandiceneartheNorthandSouthPo

　　英语阅读理解

　　Waterisveryimportanttous.Wecannotlivewithoutit.

　　Thereisalotofwaterontheearth,butwecannotusemostofit.About97.4%oftheearth’swaterissalty.MostofthefreshwaterissnowandiceneartheNorthandSouthPoles.

　　Wecanuseonlyaboutonepercentofthewaterontheearth.Weusewaterfrombothlakesandrivers.Someofthewaterevaporatesandthenbecomesrain.Ofcourseweuserainwaterforfarmsandotherthings.Weusethiswateragainandagain.

　　Sometimestheearth’swaterisinthewrongplace.Thereisalotofraininthetropics,butitisdifficulttohavefarmsinthetropics.Mostofthelandthereisnotveryrich.Somedesertlandisrich,butthereisonlyalittlewaterinthedesert.

　　Waterisaproblemformanypeopleintheworld.

　　（）1.About______oftheearth’swaterisfresh.

　　A.97.4%B.2.6%C.1%D.25%

　　（）2.Mostofthefreshwateris_______.

　　A.snowandiceB.rain

　　C.inlakesandriversD.inoceans

　　（）3.Itrainsafterthewater_______fromoceans,lakesandrivers.

　　A.fallsB.enjoysC.evaporatesD.runs

　　（）4.Weonlyuseoftheearth’sfreshwater.

　　A.50%B.97.4%C.25%D.2.6%

　　（）5.Mostofthelandinthetropicsis.

　　A.poorB.dryC.richD.salty