Many animals use some kinds of"language". They use signals (信号) and the signals have meanings. For example, 1 a bee has found some food, it goes 2 its home. 3 is difficult for a bee to tell4 bees where the food is by speaking to them, but it can do a little dancing. This tells the bees where the food is and5 it is.
Some animals show6 they feel by making sounds. It is not difficult to tell if a dog is angry because it barks. Birds make. several different sounds and 7 has its meaning. Sometimes we humans make sounds in the same way. We make sounds like "Oh" to 8 how we feel when we drop something on our feet.
We humans have9 . We have words. These words have meaning of things, action, feeling or ideas. We are able to 10 each other information, to tell other people 11 we think or we feel. By writing down words, we can remember what has happened or12 messages to people far away.
Languages, like people, live and die. If a language is not used 13 people, it is called a dead language. This language cannot live and grow because 14 speaks it.
A living language, of course, is often spoken by people today. It grows and changes with time. New words are created, and some old words have15 meanings.