中学生要学习多门学科知识,打好终身发展的基础,提高科学素养和社会素养,学会做人,学会生存,学会学习。学生大多数不可能对每一个学科都非常感兴趣,一定会因为这样那样的原因而不喜欢某些学科,对于不喜欢的学科,一般情况下,多数学生都会勉强被动的学习。化学教师也同样会碰到这样的问题:面对的学生有喜欢化 Middle school students should learn a variety of disciplinary knowledge, lay the foundation for lifelong development, improve scientific literacy and social literacy, learn to be a man, learn to survive, learn to learn. Most students are not likely to be very interested in every discipline. They must not like certain disciplines for such reasons. For disliked disciplines, most students will generally barely passively study. Chemistry teachers also encounter such a problem: the face of students like it