heSongHuariverhasbeenpollutedlastweek.thegovermenthasstoppedthetapwater,sothepeopleinharbingetsometroubleaboutdrinkingthewater.Itisadifficultproblem,becausenobodycanlivewellwithoutthewater.Sothegovermenttryitsbesttofindthewaytoslovetheproblem.Atthesametime,manycitiesgivehelptoHarbin,hundredsoftruckstransportthewatertoHarbin.Everybodyneedothershelpwhentheygettrouble.Likepeople,likecity.Ourcountrylikesabigfamily,thecityisthememberofthefamily.Likethefamily,helpingeachotherisresponsilblityofeverymember.