1970 was the World Conservation(保护)Year. Everyone must know that the world is in danger.   16   is one example of the   17 .At one time there were 1,300 different kinds of trees and flowers in Holland(荷兰),but now only 866 remain(继续存在),   18 have been destroyed by modern man. We are changing the earth, the air and the water, and    19 that grows and lives. If we go on like this , we shall destroy ourselves.
What will happen in the future? Perhaps   20   is more important to ask “What must we do now?” The people who will be living in the world tomorrow are   21  young of today. A lot of them know that conservation is necessary. Many are helping to save   22 .
Now fifteen million young people in many countries are studying   23  and the country around him. In some countries they spend much time as “conservation volunteers.” They plant trees and help to   24  wild birds and animals.
But everyone,   25 young people, must work to save our world.

A rabbit is running into his hole. You may ask, “What happened?”

Well, when a rabbit sees something dangerous, it runs away. Its tail moves up and down as it runs. When other rabbits see this tail moving up and down, they ran, too. They know there is danger. The rabbit has told them something without making a sound. It has given them a signal.

Many other animals use this kind of language. When a bee finds some food, it goes back to his home. It can’t tell the other bees where the food is by speaking to them, but it does dance in the air. This tells the bees where the food is.

But animals say things by making sounds. A dog barks, for examples, when a stranger comes near. A cat purrs(发出呼噜呼噜的声音) when pleased. Some birds make several different sounds, each with its own meaning.

But human beings have something that no animals have---- a large number of words about things, actions, feelings or ideas. We are able to give each other information to tell or inform other people what is in our mind or how we feel. By writing words down we can remind ourselves of the things that have happened, or send messages to people far away. No animals can do this. No animals has the wonderful power of language.

No one knows how man learned to make words. Somehow he learned to make them. As centuries went by, he made more and more new words. This is what we mean by language.

People in different countries made different kinds of words. Today there are about fifteen hundred different languages in the world. A very large English dictionary, for examples, contains four or five hundred thousand words. But we don’t know all these. The words we know are called vocabulary. We should try to make our vocabulary larger. Read as many books as possible. When we met a new word, look it up in the dictionary. A dictionary is the most useful book.

1.What’s the meaning of the underlined word?

2.A dog can tell something__________.

3.It has been proved that no animals are able to_________.

4.Generally speaking, what we mean by “vocabulary” is_______.

5.What must we do in order to make our vocabulary larger?

1970 was the World Conservation(保护)Year. Everyone must know that the world is in danger.   16    is one example of the   17  .At one time there were 1,300 different kinds of trees and flowers in Holland(荷兰),but now only 866 remain(继续存在),   18  have been destroyed by modern man. We are changing the earth, the air and the water, and    19  that grows and lives. If we go on like this , we shall destroy ourselves.

   What will happen in the future? Perhaps   20    is more important to ask “What must we do now?” The people who will be living in the world tomorrow are   21   young of today. A lot of them know that conservation is necessary. Many are helping to save   22 .

   Now fifteen million young people in many countries are studying   23   and the country around him. In some countries they spend much time as “conservation volunteers.” They plant trees and help to   24   wild birds and animals.

   But everyone,   25  young people, must work to save our world.

1.A. Here       B. It            C. He          D. There

2.A.trouble      B. question       C. problem     D. difficult

3.A.some       B. others         C. the other     D. the others

4.A.everything   B. nothing        C. something   D. all things

5.A.this         B. that           C. one        D. it

6.A.a           B. an            C. /           D. the

7.A.ourselves    B. our world       C. our lives    D. living things

8.A.man       B. men        C. a man       D. the men

9.A.find       B. protect      C. catch        D. keep

10.A.not only    B. except      C.  also       D. together with

A rabbit is running into his hole. You may ask, “What happened?”
Well, when a rabbit sees something dangerous, it runs away. Its tail moves up and down as it runs. When other rabbits see this tail moving up and down, they ran, too. They know there is danger. The rabbit has told them something without making a sound. It has given them a signal.
Many other animals use this kind of language. When a bee finds some food, it goes back to his home. It can’t tell the other bees where the food is by speaking to them, but it does dance in the air. This tells the bees where the food is.
But animals say things by making sounds. A dog barks, for examples, when a stranger comes near. A cat purrs(发出呼噜呼噜的声音) when pleased. Some birds make several different sounds, each with its own meaning.
But human beings have something that no animals have---- a large number of words about things, actions, feelings or ideas. We are able to give each other information to tell or inform other people what is in our mind or how we feel. By writing words down we can remind ourselves of the things that have happened, or send messages to people far away. No animals can do this. No animals has the wonderful power of language.
No one knows how man learned to make words. Somehow he learned to make them. As centuries went by, he made more and more new words. This is what we mean by language.
People in different countries made different kinds of words. Today there are about fifteen hundred different languages in the world. A very large English dictionary, for examples, contains four or five hundred thousand words. But we don’t know all these. The words we know are called vocabulary. We should try to make our vocabulary larger. Read as many books as possible. When we met a new word, look it up in the dictionary. A dictionary is the most useful book.
【小题1】What’s the meaning of the underlined word?