随着新课改的不断深入,教学的有效性问题日益引起人们的重视,这是课程改革逐渐深入的一个表现。新课改对化学教师提出了前所未有的新要求和挑战,尤其是高三教师,在时间紧、任务重的情况下如何以高质量的课堂教学迎接挑战,是一个共同问题。1.阅读教材,以本为纲课本是高考命题的依据,复习的关键是过好课本关,任何复习资料都不能代替课本。因此,在总复习中必须重视课 With the continuous deepening of the new curriculum reform, the effectiveness of teaching has drawn increasing attention. This is a manifestation of the gradual and in-depth reform of the curriculum. The new curriculum reform has put forward unprecedented new requirements and challenges for chemistry teachers. Especially for the third year teachers, how to meet the challenge with high-quality classroom teaching is a common problem under the tight schedule and the heavy task. 1. Reading textbooks, textbooks as the basis for college entrance examination is the basis for the proposition, the key to reviewing is a good textbook off, any review of information can not replace textbooks. Therefore, in the general review must pay attention to class