题目内容
阅读下列短文，掌握其大意，然后从各题所给的四个选项（A、B、C和D）中，选出最佳选项．
Animals and Their LanguagesAnimal, ___1___insects, do not have a language like ___2___. They do not talk to each other in words sentences. But if we watch them, we can see that they do have ways of communicating with ___3___.
Can you see the rabbits' tail? When rabbits see this white tail ____4____ up and down, they run too. They know that there is danger. The rabbit ____5____ them something ____6___ making a sound. It has given them a signal（信号）.
Many other animals use this kind of language. When a cobra（眼镜蛇）is angry, it raises its hood（头罩）and makes itself look fierce. This warns other animals. When a bee has found some food, it ___7____ to its home. It cannot tell the other bees where the food is by speaking to them, but it does ___8___ dance in the air. This tells the bees ___9____ the food is.
Some animals say things by making sound. A dog barks（吠）, for example, when a stranger comes near. A cat purrs（咕噜咕噜叫）when ___10___. Some birds make several different sounds, each with its own meaning. Sometimes we human beings speak ____11___.
We make sounds like “Oh”or “Ah!” when we are frightened or pleased or when we drop something on our toes.
___12____ we have something that no animals have ____13____ words which have the meanings of things, actions, feelings or ideas. We are able to give each other all kinds of different information in words and sentences, ___14____ no other animals can do. No other animals have ___15____ language as we have.
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D. boards