“新课标”的实施给我们教师提出了更高的要求,我们不但给予学生基本技能的培训,而且还要为学生提供自主探索、合作交流的空间,培养学生发散性思维和创造性的个性.在教学实践中,我们经常会碰到这样的情况:一堂课,教师精心准备了例题、习题,规划好了怎样去突出重点,突破难点,但 The implementation of “New Curriculum Standards” put forward higher requirements for our teachers. We not only provide students with the basic skills training, but also provide students with the space for independent exploration, cooperation and exchange, cultivating students’ divergent thinking and creative personality. In teaching practice, we often encounter such a situation: a lesson, the teacher carefully prepared examples, exercises, planning how to highlight the key points, breaking the difficulties, but