合作学习是目前世界上许多国家普遍采用的一种富有创意的教学理论与策略。由于其实效显著,被人们誉为近十几年来最重要和最成功的教学改革。在引导学生合作学习时,要根据不同的教学内容、教学要求而巧设悬念、精心设疑,使学生自然而然地进入合作学习的情境。其中,选择合作学习的恰当时机显得尤为重要。开展小组合作学习,并不是什么时候都适合,在一堂课中,要找 Cooperative learning is a kind of innovative teaching theory and tactics commonly used in many countries in the world at present. Because of its actual effect, it has been praised as the most important and successful teaching reform in recent decades. In guiding students to cooperate in learning, according to different teaching content, teaching requirements and cleverly set up suspense, carefully set the suspect, so that students naturally enter the context of cooperative learning. Among them, the right time to choose cooperative learning is particularly important. To carry out group cooperative learning, and not suitable at all times, in a lesson, to find