多媒体计算机可以提供文字、数据、声音、图像、动画及影视等富于多样性的、生动形象的信息,这不仅符合人类认识记忆的规律,而且有利于知识的获取和保持。能较好地组织教学情境、突出事物的本质,促进学生形成清晰的表象,使他们得到充分的感知。一、运用多媒体创设问题情境所谓问题情境,指的是一种具有一定困难,需要努力克服(寻求达到目标的途径),而又是力所能及的学习情境(学习任务)。在学生思维的最近发展区, Multimedia computers can provide diverse and vivid information such as words, data, sound, images, animations and films, which not only accords with the law of human cognition but also helps to acquire and maintain knowledge. Can better organize the teaching situation, highlight the essence of things, promote students to form a clear appearance, so that they are fully aware of. First, the use of multimedia to create the problem situation The so-called problem context, refers to a certain difficulty, you need to work hard to overcome (seek ways to achieve the goal), but they are within the learning context (learning task). In the student development area of ​​thinking,