heImportanceofTrees 　　Asweallknow,treesareveryuseful.Theyareofgreatbenefittomanasfollows:First,treesprovideuswithwoodandotherproducts;Second,theirrootscanallowtheraintosinkinandkeepthesoil,sotheyhelptopreventdroughtsandfloods.Treescancleanairandbeautifullife. 　　Unfortunately,nowadaysinmanypartsoftheworldlotsofpeoplefailtorealizetheimportanceoftrees.Theyhavecuttreesdowninlargenumberswithoutaplan,whichmakesthesoilwashedaway.Theydon'tknowwheretherenotrees,therainwashedawaythesurfaceofthesoilandthiscausesfloods. 　　Weoughttoplanttreeseachyearandcarefullylookafternewtreesinordernottomaketheforestslowlydisappear.Only'inthiswaycanwemaketheforestservemanforever.