1970 was World Conservation Year. Everyone must know that the world is in danger. _______ is one example of the _______. At one time there were 1300 different kinds of trees and flowers in Holland (荷兰), but now only 866 remains (继续存在). _______ have been destroyed (毁坏) by modern man. We are changing the earth, the air and the water, and _______ that grows and lives. If we go on like this, we shall destroy ourselves.
What will happen in the future? Perhaps _______ is more important to ask “What must we do now?” The people who will be living in the world tomorrow are _______ young of today. A lot of them know that conservation is necessary. Many are helping to save _______.
Now fifteen million young people in many countries are studying _______ and the country around them. In some countries they spend much time as “conservation volunteers”. They plant trees and help to _______ wild birds and animals.
But everyone, ________ young people, must work to save our world.
1.2.A.problem | B.question | C.trouble | D.difficult |
3.A.Some | B.Others | C.The other | D.The others |
4.A.everything | B.Nothing | C.Something | D.all things |
5.6.7.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 |