题目内容：

What lessons should be learned from the drought?

According to1.________ report, the drought in the south-west China2.________(last) for several months, 3. ________makes people face water and food shortage. In conclusion, the serious situation has made4.________quite necessary for us to learn lessons from it.

The drought can be caused by several factors. Firstly, about 63 percent of the cities in China are faced 5. _______ water shortage. The situation is worsened by pollution and industrialization. In addition, forests have been decreasing rapidly 6.________ too many trees have been cut down. What's 7.________(bad), some water conservation projects haven't been functioning properly, thus people there have had to rely more heavily on rainfall for their water supply. Most of China's irrigation(灌溉) systems are very old.

In order to prevent this case 8. ________(occur) again, we are supposed to improve our 9._________ (aware) of saving water, making proper use of water and recycling water. Meanwhile, we ought to plant more trees and protect the environment to prevent loss of water and soil erosion(侵蚀). Of course, 10. __________the government should do is to increase investment and repair water conservation projects as timely as possible.