计算机辅助教学已经成为教学现代化的一个标志。由于多媒体可将文字、声音、图片、图表、动画、信息等以直观地呈现出来，学生可以利用它在真实的语言环境中接触真实的语言，所以，CAI软件一经问世，就得到广大英语教师的青睐。但在一些经济落后地区，这一先进的教学手段可望而 Computer-assisted instruction has become a symbol of teaching modernization. Because multimedia can express words, sounds, pictures, diagrams, animations and information intuitively, students can use it to touch the real language in the real language environment. Therefore, once the CAI software comes out, it will get the help of the majority of English teachers Favor. However, in some economically backward regions, this advanced teaching method is expected