Every day people throw away a lot of household garbage – paper, cans, kitchen waste, used batteries and glass     1     sorting it.   There are many problems     2    (cause) by unsorted garbage. On one hand, it's     3    great waste of resources. On the other hand, the disposal of unsorted garbage can cause serious environmental pollution,     4    does harm to people's health. Now our government has realized the importance of garbage sorting. So far many activities     5     (hold) to teach people how to sort garbage     6     (proper).

People in cities, like Beijing and Shanghai, are required to sort garbage into four categories - kitchen waste, dangerous waste,     7     (recycle) waste and other waste. Also, they can get certain points for sorting their garbage. When they accumulate enough points, they can go to the community     8     (exchange) them for some gifts of daily use. However, still a lot of people in China lack the     9     (aware) of garbage sorting. Changing people's mindsets and habits will take a long time. But once one person       10     (develop) the habit of garbage sorting, more may be influenced to do the same.