我想一块砖盖不起一栋大楼,但一栋楼却是由一块一块的砖盖起来的,要盖一栋好楼就要砌好每一块砖。一堂课教不出一个人才,但人才却是由一堂一堂课培养出来的,要培养优秀人才,就要上好每一堂课。生物是一门知识系统性强,涉及面广且又相对独立的学科。它属于理科,题型多样灵活,学好它更多的是需要理解;但它又不像文科中的历史需要记忆。如何让学生在学习中体会乐趣使教学更有效呢? I think a brick can not afford to cover a building, but a building is covered by a piece of brick, to build a good building is about to build each brick. A lesson can not teach a talented person, but the talented person is cultivated by a lesson one by one, want to train the talented person, must take every lesson. Biology is a systematic knowledge of knowledge, covering a wide range of relatively independent subjects. It belongs to science, the subject is diverse and flexible, and learning more about it needs to be understood; however, it does not need to remember the history of arts. How to make students feel happy in learning to make teaching more effective?