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1970 was the World Conservation(保護)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(荷蘭),but now only 866 remain(繼續存在),   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.

1970 was the World Conservation(保護)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(荷蘭),but now only 866 remain(繼續存在),   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

完成句子，使改寫后的句子完整，并與原句意思相符，注意每空只填一個單詞。

1．The box is so heavy that I can’t lift it.

   It is _______ _______heavy box __________ I can’t lift it.

2．How beautiful Zhanjiang is!

   ________ _______ ________city Zhanjiang is !

3．The girl had to look after her grandmother when her parents were out.

   The girl had to _______ _______ _______ her grandmother when her parents were out.

4．They plant a lot of trees in our hometown every year.

   A lot of trees ________ _________ in our hometown every year.

5．How about having some fish for supper today?

   ________ ________ ________some fish for supper today?