现行的新的课程标准倡导面向全体学生进行探究性学习。学生学习生物学知识的过程是学生通过学习、思考和实验获取知识的过程。一个人的学习过程是不能由别人代替的,教师的主导作用体现在促进、帮助学生在学习活动过程中展开探索,从而唤起学生的创新意识,培养学生的创新能力。如 The current new curriculum standards advocate for exploratory learning for all students. The process of students learning biological knowledge is the process of students acquiring knowledge through learning, thinking and experimentation. A person’s learning process cannot be replaced by others. The leading role of teachers is to promote and help students to explore in the process of learning activities, so as to arouse students’ sense of innovation and cultivate students’ innovative ability. Such as