摘要: The Greens will take the plane to London if it tomorrow. A. doesn’t snow B. won’t snow C. didn’t snow D. wasn’t snowing

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Many animals use some kind of “ language” . They use signals that have meanings .For ex - ample , when a bee has found some food,it goes b_1__ to its home . It is easy for a bee to t__2__ the other bees where the food is by speaking to them , but it can do a little dancing . This tells the bees where the food is and how f__3__it is .

Some animals show how they feel by m__4___  sounds . It is not d__5___  to tell if a dog is angry because it barks(吠). Birds make several different sounds and e_6___  has its own meaning . Sometimes we humans make sounds in the same w __7__. We make sounds like “Oh!” or “Ouch !” to show how we feel about something or when we d__8__ something on our feet.

We humans also have languages. We have words. These words have the m__8___ of things, actions , feelings or ideas . We are able to give each other messages to tell w__10__ we think or how we feel . By writing down words , we can remember what has happened or s__11___ messages to people far away.

Languages can live and die . If a language isn’t u__12__by people , it is called a d__13__ language. This language cannot  live and grow because no one s_14__it. Latin is an example of a dead l__15__.

A living language , of course , is often s_16__ by people today . It grows and c_17__ with time .

New words are created(创造), and some old words have n 18  meanings . Some words , or their meanings, may die and only be found in the old b_19__. English and Chinese are b__20__ examples of a living language.

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