一、课前预习现状1.课前预习放课堂.教师没有布置学生提前预习,而是把课前预习放入了课中.学生因为没有事先预习,对新学的概念不知道,对新学的规律不理解,对建立概念、探究规律的科学方法不了解对规律成立的条件不熟悉.所有本该课前掌握的东西,全部要到课堂上去解决,这样,就消耗了学生大量的时间.有时,教师由于要赶进度,有些环节难免不扎实,水过地皮湿.而且,由于学生没有学习新课前的充分准备,学生的学习兴趣 First, the status of pre-class preview Pre-class preview class put the teacher did not arrange the students preview in advance, but the pre-class preview into the class because students without prior preview, the concept of new learning do not know, Do not understand the laws of the establishment of the concept of scientific understanding of the law do not understand the conditions for the establishment of the law are not familiar with all of the pre-class grasp of things, all go to the classroom to solve, thus consuming a lot of students time. Sometimes, due to the progress of teachers, some links will inevitably not be solid, the water is too wet, and, because students do not learn enough preparation before the new class, students’ interest in learning