中學生優(yōu)秀英語演講稿：我的老師

1、中學生優(yōu)秀英語演講稿：我的老師ladies and gentlemen,i have had a lot of teachers in myschool who have given memuch help in my study. for their help i will never forget them. buttoday i amgoing to talk about a special teacher of mine. thisteacher is not a human being and its name is“computer”. ithas beenteaching me

2、a lot of knowledge and i appreciate it very much.with the development of modern science and technology,computers are widely used in every teritories (1) includingeducation. how can a computer be my teacher? how does acomputer teach me? multimedia(多媒體)helps a lot in thisaspect in recent years, and co

3、mputer-based training (cbt) hasbecome a popular educational medium (手段). evenbefore the multimedia come (2) up, many different learningsystems appeared, using the components and techniques wenow associate with the term“multimedia”. multimediacomponents, such as graphics (動畫) , animations , sound and

4、video, make the learning process easier through visualization.animations can present many complex subjects dynamically, buthuman teachers can not do this on blackboards. multimediamakes our study more lively and interesting. for example, acd-rom disk named“encarta encyclopedia”contains 650 mbinforma

5、tion 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. whenpressing a button, i can hear american president clintonssp

6、eech clip. i may enjoy playing all kinds of musical instrumentsin the world. i can also see the animation of many physicalphenomena. this makes physical concept to be understooddeeply (3). the audio features of multimedia can greatly help melearning (4) foreign languages. with its speech outputcapab

7、ilities, im no longer dependent on an instructor for properpronunciation.how can i interact with a computer? there are many ways,including keyboard, mouse pointer, and touch screen. i often usea keyboard. when i press right keys, i can see and hear whateveri want. information world is at my fingerti

8、p. i wish that truespeech input-output system would be invented one day.as teachers, computers have a lot of virtues：they are positive, they have good memories and never lose anyinformation stored in them. they have much knowledge in everyfield. they can let out all kinds of sounds, and can also improvethe efficiency of our study. for example, if i want to, i can skipsome chapters so that i can study at my own pace.although computers will never take the place of humanteachers, they are welcomed by more and more puters will continue to evolve（發(fā)展）with the aid of modern technologies. computers