In the writer's opinion, ______, or the forests slowly disappear.
A: measures must be taken
B: people shouldn't draw benefit from trees
C: government must realize the serious results
D: unless trees never be cut down
A: measures must be taken
B: people shouldn't draw benefit from trees
C: government must realize the serious results
D: unless trees never be cut down
举一反三
- Why do forests in many parts of the world slowly disappear（） A: New trees are not looked after properly. B: Many trees have been cut down by man. C: Man has not paid enough attention to planting trees. D: All of the abov
- _______ trees here are cut down in the forests every year.
- ____ people depend to such a great extent on forests, every effort must be made to preserve trees and wildlife.
- These trees are green. Don't ______. A: cut down it B: cut it down C: cut down them D: cut them down
- () It's a great pity that ______. A: man has cut down too many trees B: man is eager to profit from trees C: man hasn't realized the importance of<br/>trees to him D: man hasn't found out that he has lost<br/>all trees