材料 :北方交大二附中的学生 ,前不久致信朱基总理 ,热切呼吁增强全民环保意识 ,保护我们的生存环境 ,并怀着强烈的责任感 ,就此提出了许多具体而中肯的建议 :编写环保教材 ,组织认养绿地 ,禁用一次性木筷 ,开展垃圾分类回收试点工作 ,改变农业浇灌形式 ,统一减少马桶水箱容 MATERIALS: The students from Northern Jiaotong University’s Second Affiliated High School sent a letter to Premier Zhu Rongji shortly before, and he earnestly appealed to enhance the environmental protection awareness of the entire nation, protect our living environment, and with a strong sense of responsibility, put forward many concrete and pertinent suggestions: Teaching materials, organizing adoption of green land, disabling disposable wooden chopsticks, carrying out pilot work on waste separation and recycling, changing the form of watering in agriculture, and reducing toilet water tank capacity uniformly