When you speak, write a letter, or make a telephone, your words carry a message. People communicate with words. 【小题1】 A smile on your face shows you are happy or friendly. Tears (眼泪) in your eyes tell others that you are sad.【小题2】 the teacher knows you want to say something or ask questions, You shake your head and people know you are saying "No". You nod and people know you are saying "Yes".

【小题3】 For example, a sign at the bus stop helps you to know which bus to take. A sign on the door tells you where to go in or out. Have you ever thought that there are a lot of other signs around you and that you receive messages from them all the time?【小题4】 An artist can use his drawings to tell about the beautiful mountains, the blue seas and many other thing. A writer writes books to tell you about all the wonderful things in the world and also about people and their ideas.【小题5】 They can help us to know what is going on in the world and what other people are thinking about.