高中生物学教学的课时紧张,实验较多。教师只有充分发挥学生的主动性和参与性,才能有效地提高教学效率。教师注重教学设计中的活动设计,尽可能剔除一些无效的设计,可以取得课堂教学的高效益。1生物课堂教学中的低效因素分析1.1尊重教材,唯书而教,照本宣科新课标教材突出的特点之一就是具有丰富的直观的图表,教学内容更贴近学生生活,富有较强的生活气息,同时教材中的课外阅读材料多,信息量大,导致教学任务重。教材中每一个单元的教学任务都有相 High school biology teaching hours are tense and there are many experiments. Teachers can effectively improve teaching efficiency only by giving full play to students’ initiative and participation. Teachers pay attention to the design of activities in teaching design, eliminate some invalid designs as much as possible, and achieve high efficiency in classroom teaching. 1 Analysis of Inefficiency Factors in Biology Classroom Teaching 1.1 One of the outstanding features of respecting textbooks, books, and textbooks, and teaching textbooks based on the new textbooks in this textbook is that they have rich and intuitive graphs, teaching content that is closer to students’ lives, and has a stronger sense of life. At the same time, there are many extra-curricular reading materials in the textbooks, and the amount of information is large, which leads to heavy teaching tasks. The teaching task of each unit in the teaching material has a phase