新课改后,化学学科课时大大减少,而化学知识是人们生活和社会发展不可缺少的,好的化学素养能帮助一个人提升生活品质,也能帮助一个民族提高适应自然、改造自然的能力。因此,实现教师高效教,学生高效学,就显得非常关键。那么,如何才能构建高效 After the new curriculum reform, chemistry class hours greatly reduced, and chemical knowledge is indispensable to people’s lives and social development, good chemical literacy can help one improve the quality of life, but also to help a nation to adapt to the natural ability to transform nature. Therefore, to achieve efficient teaching teachers, students learn efficiently, it is critical. So, how to build efficient