Ａ Ｗｏｒｌｄ Ｗｉｔｈｏｕｔ Ｔｒｅｅｓ

Have you ever imagined (想象) a worldwithout trees? Try and you will see——thewhole world dries up and looks like a brokentortoise shell(開裂的龜殼). At night， the tem-perature would drop sharply (急劇地). Livingcreatures could not run away and they would beupset as if they lived in the hell(地域)……