教　师：同学们，前两天大家根据“我国水资源现状、问题与对策”专题研究了学习提 纲，分组各自独立地查找了相关资料，形成了自己的观点。现请同学们踊跃发言，把学习的 成果展示出来。　　陈　林：我代表本组就我国水资源状况做一个汇报，请大家看三则材料。(用视频台展 示 Teacher: Students, two days ago, we all studied the syllabus according to the topic of “the status quo, problems and countermeasures of water resources in our country.” The subgroups searched for relevant information independently and formed their own opinions. Now students are encouraged to speak, to show the fruits of learning. Chen Lin: On behalf of this group, I will give a briefing on the status of China’s water resources. Please see the three materials. (Use the video station to show