有些青年教师初上讲台,害怕长时间面对学生,因而喜欢课前在电脑上把教学内容制成一页一页的PPT演示稿,在课堂上只需点击鼠标翻动稿件,这样既省去了板书的麻烦又加大了教学量,可是教学效果并不好,学生在课堂上要么一个劲地抄PPT上的笔记,要么昂着头只是观看PPT,学习非常被动。另一方面,一些有经验的教师却拒绝使用多媒体,他们认为每个教师都有自己的教学节奏,自然的课堂应该是多变的,不应该被制作的课件限制,他们自信用 Some young teachers begin to lecture in podiums and are afraid to confront their students for a long time. Therefore, they like to make PPT presentations page by page on the computer before class so that they can be saved by simply clicking the mouse in the class The troubles of the blackboard have increased the amount of teaching, but the teaching effect is not good. Students in the class either keep tapping the notes on the PPT or just look at the PPT with high head and learn very passive. On the other hand, some experienced teachers refuse to use multimedia. They think every teacher has their own teaching rhythm. The natural classroom should be changeable and should not be limited by the courseware produced. They are confident