[课前准备]播放歌手霍尊演唱的《卷珠帘》。[导入新课]师:这首《卷珠帘》摘得“年度好歌曲”桂冠。下面,请大家欣赏另一版本的《卷珠帘》。(播放雾霾版《卷珠帘》视频前半段)师:这段视频主要反映什么问题困扰着我们的生活?生:雾霾,属于环境问题。(设计意图:美国心理学家特鲁·赫伯说过,幽默是一种最有趣、最有感染力、最有普遍意义的传递艺术。雾霾版《卷珠帘》的画面、歌词诙谐风趣,在导入环节创设幽默情境,能拉近师生距离,激发学生学习兴趣,调动学生学习积极性,为引导学生学习创造了良好开端。) [Pre-class preparation] Play singer Huo Zun concert “roll bead curtain.” [Import New Class] Teacher: This song “Volume bead curtain” won the “annual good song” title. Now, please enjoy the other version of “roll bead curtain.” (Play haze version of the “roll bead curtain” video first half) Teacher: This video mainly reflects what issues plague our life? Health: smog, are environmental issues. (Design intent: American psychologist Truebau said that humor is one of the most interesting, contagious, and universalistic art of transmission. , Create humorous situations in the process of introduction, narrowing the distance between teachers and students, stimulating students ’interest in learning, mobilizing students’ enthusiasm for learning, and creating a good start for guiding students to learn.