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Read the text below and answer the question:
1 Speech is one of the most important ways of communicating. It consists of far more that just
2 making noises. To talk and also to be understood by other people, we have to speak a language,
3 that is, we have to use combinations of sounds that everyone agrees stand for a particular
4 object or idea. Learning a language properly is very important. The basic vocabulary of English is not
5 very large, and only about 2,000 words are needed to speak it quite well. But the more words you
6 know, the more ideas you can express, and the more precise you can be about their exact meaning.
7 Words are the main thing we use in communicating what we want to say. The way we say the
8 words is also very important. Our tone of voice can express many emotions and shows whether we
9 are pleased or angry, for instance.