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　　Radio, telephone and television are widely used in the world．When you 　　1　　 the radio, you can listen．But when you use telephone, not only can you listen to others 　　2　　 you can chat with them, however, you can’t see the other one at all．Television is 　　3　　 than both of them．People can watch TV and listen to it, 　　4　　 you can’t take part in what you see．

　　Today, some people are using a type of telephone 　　5　　 vision-phone．Two persons who are talking can see each other 　　6　　 it．

　　Vision-phones can be of great use when you have something 　　7　　 the person whom you are calling．It may also have other uses in the future．Some day you may be able to call up a 　　8　　 and ask to read a book right over your vision-phone．You may be able to do the shopping through it, too．Perhaps 　　9　　 the near future, vision-phone will come into wider uses in our 　　10　　 life．

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　　We are now living in the 21st century．Is your classroom living in the 21st centuiy, too? Tony is a student in Grade 8 at an American middle school．He was surprised when he saw his modern 　　1　　 on his first day of schobl．

　　In Tony's classroom, there are many new electronics(电子设备)like iPads．This semester, they will 　　2　　 the electronics to take notes, watch videos and do projects and homework．“It's 　　3　　”said Tony．“I prefer using an iPad to work on math or other projects 　　4　　 my team members．”

　　The school uses new technology‘(技术)in classrooms to help students see, hear, touch and sometimes experience their tasks, technology is pretty common in most of our classrooms now,” the head teacher said．“We are trying to use technology to 　　5　　 the world to kids．It can bring the outside world in．”

　　Science teacher Mr Miller agrees．“It is a 　　6　　 way for students to know the outside world,” he said．

　　Mr Miller now regards himself as a guide of learning 　　7　　 as a teacher．“If they have a question for me, I will try to teach them 　　8　　 to find the answers rather than tell them what the answers are,” he said．

　　Dale, another student, loves technology．He was not really interested in class before, 　　9　　 now he likes the classes very much．“It helps me use what I know about technology at school,” Dale said．“Most importantly, I 　　10　　 the classroom．This, of course, will help my studies．”

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