巧设障碍,激发学生求新求异。这里的障碍是指疑难,或“激将法”。那就是在引导学生回答问题时,故意设难,“挑刺”,激发学生“异想天开”。如教《桂林山水》一课,课文中“桂林的山真奇、真秀、真险和漓江的水真静、真清、真绿”时,我向学生提出文中的‘真’字可以换成别的词吗?”。学生纷纷回答:有的说“这一连六个‘真’字,都可换成‘很’字。”有的说“真”字还可变成“非常”、“特 Cleverly set up obstacles to stimulate new and different students. Obstacles here refer to problems, or “shock the law.” That is to guide students to answer questions, deliberately set up difficult, “prickle” to inspire students “whimsical.” For example, when teaching a lesson entitled “Guilin Landscape” and “Guilin's Magic Mountain, True Beauty, True Dangerousness and Water of the Lijiang River, Zhenqing, and True Green” in the text, I proposed to the students that the word “真” Any other word? “Students replied: Some said” this one with six 'true' words can be replaced by 'very' words. “Some people say that” true “words can become” very “,” special