You speak, write a letter, make a telephone. Your words carry some information. People talk to each other with words. Do you think you can talk without words? A smile on your face shows you are happy or friendly.
When you put up your hands in class, the teacher knows you want to say something or ask questions. You nod（点头） and people know you are saying "Yes". Other things can also carry information. For example, a sign at the bus helps you to know which bus to take
Do you ever think that there are a lot of signs around you and you get information from them all the time? People can communicate(交流) in many other ways. Books are written to tell about all the wonderful things in the world and also about people and their ideas.
They can help us to know what is going on in the world and what other people are thinking about.
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A. You shake your head, and people know you are saying "No". B. An artist can use his drawing to tell about the beautiful mountains, the blue sea and many other things. C. Tears in your eyes tell others that you are sad. D. Books, magazines, TV, radio and films all help us communicate with others. E.A sign on the door tells you where to go in or out. F. When you speak loudly, people will feel happy |
