一份英语任务型阅读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, but also you can chat with them. However, you can’t see anything at all. Television is much better than both of them. (2)People can watch TV and listen to it, but they can’t take part in what they see.Today, some people are using a type of telephone called vision-phone. W

一份英语任务型阅读
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, but also you can chat with them. However, you can’t see anything at all. Television is much better than both of them. (2)People can watch TV and listen to it, but they can’t take part in what they see.Today, some people are using a type of telephone called vision-phone. With the vision-phone, two persons who are talking can see each other.Vision-phones can be of great use when you have something to show 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 library and ask to read a book right over your vision-phone. You may be able to do some shopping through it, too. Suppose you read about something in the newspaper that you want to buy, you’ll go to your vision-phone and call the shop. The shop assistant will show you the thing that you are interested in. You’ll be able to shop all over the town and never leave your home. Perhaps in the near future, vision-phones will come into wide use in our everyday life.1.       将(1)句的空白补全适当的词组使句意完整、上下文通顺：___________________2.       将(2)句翻译成中文：__________________________________________________________3.       What are widely used in the world?_______________________________________________4.       找出文中与下列句子意思相近的句子：If you want to show something to somebody, a very useful way is to call him with a vision-phone._______________________________________5. 找出文中最能表达该短文主题的句子：__________________________________________