高一化学课时相对较少,而高中化学的重要知识却仍然相对集中。新教材的试用,使课本内容与许多课外参考资料和习题无法对应,许多学生感到茫然,不知道一个知识点掌握到什么程度合适。新教材由于知识的难易和深广度的变化,对学生学习能力提出 High school chemistry is relatively less time, while the important knowledge of high school chemistry is still relatively concentrated. The trial of the new textbook makes the content of the text irrelevant to many extracurricular references and exercises. Many students feel confused and do not know to what extent a knowledge point is appropriate. New textbooks due to the difficulty of knowledge and the breadth of the changes made to the students learning ability