木瓜主持:环境是我们人类生存最基本的条件,如果我们破坏了环境,就等于破坏了我们生存的条件。目前,生态环境日益恶劣,对我们影响最大的就是水资源、空气和食品。同学们,面对这么严峻的形势,拿起手中的笔来号召同学们保护环境吧,这可是个很不错的主意哦!可是怎样才能写好它呢?不用发愁,看,刘老师带着他的“宝盒”来了…… Papaya presided over: the environment is the most basic conditions for our human survival, if we destroy the environment, it is tantamount to undermining our conditions for survival. At present, the ecological environment is getting worse and worse, and the one that affects us the most is water resources, air and food. Students, in the face of such a grim situation, pick up the pen to call the students to protect the environment, this is a very good idea Oh! But how to write it? Do not worry, see, Liu took him “Treasure box ” came ...