纵观每次的公开课,我们总能见到这样一位“朋友”——多媒体。显而易见,在当今的教学中,多媒体辅助教学正被越来越广泛地使用,制作的视觉效果也随着人们的努力而越来越明显,制作的精美程度更让人叹为观止。这悄然发生的变化给我们一线教师带来了观念和技术上的冲击。多媒体以其图、文、形、声并茂的特有优势走进了课堂,运用课件,只要一点击鼠标,就可以按需进 Throughout each open class, we can always see such a “friend” - multimedia. Obviously, in today’s teaching, multimedia-assisted teaching is being used more and more widely, and the visual effect of making is becoming more and more obvious with the hard work of people. The exquisiteness of making is even more impressive. This quiet change brings the concept and technical impact to our front-line teachers. Multimedia with its unique advantages of figure, text, shape, sound and Mao into the classroom, the use of courseware, as long as a click of the mouse, you can enter