老师应该注重教学反思。在课后，教师应该将整堂课的过程进行反思，把自己预

Teachers should pay attention to teaching reflection. After class, teachers should reflect on the whole class process, compare their expected situation with the actual situation, and summarize the details that were not handled well in the whole class. Because the PBL model is centered on learning, teachers should also pay attention to students’ suggestions when conducting self-reflection, take the essence and discard the dross.

Teachers should pay attention to teaching reflection. After class, teachers should reflect on the whole course process, compare their expected situation with the actual situation, and summarize the details that the whole class did not deal with well. Because the PBL model is to learn this as the center, so teachers in self-reflection should also pay attention to the advice of students, take its essence, to its dross

Teachers should pay attention to teaching reflection. After class, teachers should reflect on the whole process of the class, compare their expected situation with the actual situation, and summarize the details not handled well in the whole class. Because PBL mode is centered on learning, teachers should also pay attention to students' suggestions, take the essence and remove the dross when they reflect on themselves.<br>