According to the article we know it is ______ to prevent the forest from slowly disappearing.
A: necessary but impossible
B: necessary but difficult
C: impossible and unimportant
D: difficult and impossible
A: necessary but impossible
B: necessary but difficult
C: impossible and unimportant
D: difficult and impossible
举一反三
- The tone of the story shows the author believes the problem is ______. A: difficult to solve, perhaps impossible B: difficult to solve but not impossible C: impossible to solve D: beyond the question
- 72（） A: important B: necessary C: possible D: impossible
- Itis _________forustogoswimminginsuchbadweather. A: important B: impossible C: necessary D: comfortable
- It is impossible for us to _______ such a difficult task within the limited time.
- It is impossible for us to ____ such a difficult task within the limited time.