为了避免学生早日形成的习惯：一见概念，便如同看到语文的名词解释一般地开始背诵。我一改以往要求学生提前预习的学习方法，而且上课时非要求不得打开课本。虽然这样做，学生不似以往因提前背诵过概念，而回答问题流畅，也不能在教师讲课时，从课本中寻求答案。在一开始时， In order to avoid the habit that students form as soon as possible: At first sight, they begin to recite as if they saw the explanation of the noun in the language. I changed the previous learning methods that require students to preview in advance, and not required to open textbooks in class. In spite of this, students are not as fluid in answering questions as they did in the past, nor can they seek answers from textbooks when teachers are lecturing. At the beginning,