【教材分析】本课是北师大小学语文第十单元“家园呼唤”主题之一。课文介绍的是“绿色千岛湖”的美景以及绿色千岛湖为当地经济建设的贡献,既美化了生态又发展了经济,是一篇很好的环保教育课例。【学情分析】五年级的学生已经具备独立阅读文本的能力,能够运用批注式阅读来完成前置学习,也掌握了网络查阅资料,独立整合资料的能力,前置学习的扎实有序,为学生理清文本思路,把握重难点,打开了思路。【教学目标】 【Textbook Analysis】 This lesson is one of the themes of the tenth unit of Chinese at Beijing Normal University. The text introduces the beauty of the “green Qiandao Lake” and the contribution of the green Qiandao Lake to the local economic construction. It not only beautifies the ecology but also develops economy. It is a good lesson in environmental education. Fifth grade students have the ability to read the text independently, can use annotation reading to complete the pre-learning, but also grasp the Internet access to information, the ability to independently integrate information, pre-learning a solid and orderly Students clarify the text ideas, grasp the heavy and difficult points, opened the train of thought. 【teaching objectives】