长期以来,生物实验教学主要是照本宣科,教师把重点往往放在系统知识的传授方面,这种方式培养出来的学生,基本动手技能普遍较差,缺乏主体能动性、独立性,创新能力往往不够。生物新课程标准中指出:让学生学会科学观察和实验的方法,初步学会提出问题,做出假设, For a long time, the teaching of biological experiments is mainly based on the syllabus, teachers tend to focus on the imparting of knowledge of the system, students trained in this way, the basic skills are generally poor, the lack of initiative, independence and innovative ability are often not enough. Biology new curriculum standards that: allow students to learn scientific observation and experiment method, the initial learn to ask questions, make assumptions,