短文改错Thereiswatereverywhere.Itseemsthatas
Thereiswatereverywhere.Itseemsthatasthoughwehavemuchwaterthanweneed.Butinfactwenothaveenoughwaterbecausemostthewateronearth—97%—issaltwater,whichisnotdrinkableformanoranimalontheland.Onlyabout3%oftheearth'swaterisfreshwater,mostofthat,abouttwothree(about67%),isinicecaps.Waterisimportanttopeopleinmorewaysthanwethinkabout.Weneededwaterforcookingandwash,andplantsalsoneedwater.