题目内容：

What lessons should be learned from the drought?

According to__1.___ report, the drought in the south-west China __2.____(last) for several months, ___3.____makes people face water and food shortage. In conclusion, the serious situation has made___4.____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 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. Of course,____ 10.___the government should do is to increase investment and repair water conservation projects as timely as possible.