初中生物不是统考科目,学校管理和学生学习处于边缘化地位,加之课程计划规定课时少、班级人数多、学生实验能力低等困境,教学质量难以提高。怎样走出困境,切实提高初中生物教学的有效性,我认为可从以下方面入手。 Junior high school biology is not the subject of examination, school management and student learning are in a marginalized position, combined with the curriculum provides that small classes, the number of classes, students with low experimental ability, difficult to improve the quality of teaching. How to get out of the woods and effectively improve the effectiveness of biology teaching in junior high school, I think we can start from the following aspects.