Many animals use some kinds of language .They use signals (信号) and the signals have meaning , For example, When a bee has found some food , it goes  21  its home .It is 22  for a bee to tell  23  bees where the food is by speaking to  24  ,but it can do a little dancing .This tells the bees where the food is and   25  it is . 
Some animals show how they feel by making sounds . It is not difficult to tell that a dog barks (吠)  26 it is angry .Birds make several different sounds .and  27 has its own meaning . Sometimes we humans make sounds ,  28  we make sounds like OH or OUCH to show we feel about something or when we  29 something on our feet.
We humans have languages. We have words .These words have the meaning of things actions (行动)，feeling or ideas .We are able to give each other information by writing down words .in this way , we can  30  what has happened or send the messages to people far away.

Many animals use some kinds of language .They use signals (信号) and the signals have meaning , For example, When a bee has found some food , it goes  21  its home .It is 22  for a bee to tell  23  bees where the food is by speaking to  24  ,but it can do a little dancing .This tells the bees where the food is and   25  it is . 

Some animals show how they feel by making sounds . It is not difficult to tell that a dog barks (吠)  26 it is angry .Birds make several different sounds .and  27 has its own meaning . Sometimes we humans make sounds ,  28  we make sounds like OH or OUCH to show we feel about something or when we  29 something on our feet.

We humans have languages. We have words .These words have the meaning of things actions (行动)，feeling or ideas .We are able to give each other information by writing down words .in this way , we can  30  what has happened or send the messages to people far away.

8.A.In the same sound     B by the different sound 

C.In the same way      D.By the different way

根据提示，写出完整的单词。

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.