一、提问要有层次性。教师所提问题有记忆性问题、理解性问题、应用性问题、创造性问题及评价性问题几种。教新课前，宜提一些记忆性问题，这样能起到“温故知新”、“承前启后”的作用；上复习课时，则应提些理解性、应用性问题。二、提问要先集体后个人。教师所提的问题要能 First, the question should be hierarchical. Teacher questions are memory problems, understanding problems, practical problems, creative problems and evaluation of several issues. Before teaching a new class, it is appropriate to mention some memory problems, which can play the role of “learning from the old” and “from the beginning to the end.” When reviewing the class, we should raise some questions of understanding and applicability. Second, the first question after the collective individual. Teachers should ask questions