【正确答案】正确答案：PowerPoint is a software used to write outlines or create the presentation visuals on the slides. PowerPoint text has been broadly understood as the product created visually, graphically, acoustically, or audio-visually upon a common theme.(4 points) PowerPoint is important in language teaching for the following reasons; (1)PowerPoint is vivid and direct, and it is conducive to arouse students" interest of learning a language. For example, when teaching the new words, the teacher could ask the students to describe the pictures in the PowerPoint with the new words. In that way, the students would be willing to take part in the classroom activities.(5 points) (2)Pictures, sounds and other materials can be inserted into the PowerPoint to construct the real situation, so that the communicative competence of the students can be increased.(3 points) (3)By using PowerPoint, the amount of the information in class will be enhanced with the time of the traditional blackboard writing saved, which is helpful to improve the teaching efficiency.(3 points)

【答案解析】解析：考查电子幻灯片(PowerPoint)在语言教学中的重要作用。幻灯片有三重定义，即作为工具的制作软件、作为语篇的演示文稿和作为语篇类型的演示方式。幻灯片在语言教学中有重要作用，例如：有助于激发学生学习语言的兴趣，并调动其积极性；省去了教师板书的时间，有助于提高教学效率等等。