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39。rdquo。39。39。39。rdquo。rdquo。rdquo。以下是由范文大全PQ小編為大家推薦的中學(xué)生優(yōu)秀英語(yǔ)演講稿,歡迎大家學(xué)習(xí)參考。此資料由網(wǎng)絡(luò)收集而來(lái),如有侵權(quán)請(qǐng)告知上傳者立即刪除。 演講稿一:中學(xué)生優(yōu)秀英語(yǔ)演講稿 ladies and gentlemen, i have had a lot of teachers in my school who have given me much help in my study. for their help i will never forget them. but today i am going to talk about a special teacher of mine. this teacher is not a human being and its name isamp。. it has been teaching me a lot of knowledge and i appreciate it very much. with the development of modern science and technology, puters are widely used in every teritories (1) including education. how can a puter be my teacher? how does a puter teach me? multimedia(多媒體)helps a lot in this aspect in recent years, and puterbased training (cbt) has bee a popular educational medium (手段). even before the multimedia e (2) up, many different learning systems appeared, using the ponents and techniques we now associate with the term amp。. multimedia ponents, such as graphics (動(dòng)畫) , animations , sound and video, make the learning process easier through visualization. animations can present many plex subjects dynamically, but human teachers can not do this on blackboards. multimedia makes our study more lively and interesting. for example, a cdrom disk named amp。 contains 650 mb information including images, graphics, music clips, video clips, animations , texts, hotwords, and database search functions. fields involved includes physical sciences, performance arts, social sciences, politics, military, education and so on. when pressing a button, i can hear american president clintonamp。m no longer dependent on an instructor for proper pronunciation. how can i interact with a