新课标提倡的“研究性学习”主张学生不应是教师传授知识的被动接受者,而应是以自身已有知识和经验为基础、主动参与学习活动的学习者。这就要求教师要针对教学内容创设有现实意义、对学生具有一定挑战性的教学情 The new curriculum advocated “research study ” advocates that students should not be passive recipients of knowledge imparted by teachers, but should be based on their own knowledge and experience, take the initiative to participate in learning activities of learners. This requires teachers to create practical significance for teaching content, the students have some challenging teaching situation