时值新世纪之初,我国政府大力提倡并努力实施素质教育,开展实验的必要性和重要性正日益突出,其中的一个主要原因是,学生综合素质的形成必须以知识的理解、掌握和能力的发展、提高为前提。生物学是一门以实验为基础的自然科学,它以知识教学和技能训练为基础, At the beginning of the new century, the Chinese government vigorously advocated and made efforts to implement quality education. The necessity and importance of conducting experiments are becoming increasingly prominent. One of the main reasons is that the formation of students’ comprehensive qualities must be based on the understanding, mastery, and ability of knowledge. The development and improvement are prerequisites. Biology is an experiment-based natural science based on knowledge teaching and skills training.