题目内容：

Zhalong Nature Reserve is in Heilongjiang. S1., the wetlands got smaller and smaller during some years. The environment was also getting w2.. To save Zhalong, 5,400 people living in the main a3. of the wetland had to move out before 2010.

Zhalong Wetland is the l4. of its kind in China and home to lots of endangered animals and plants. Zhalong Nature Reserve is one of the seven wetlands in China that have been put onto the l5. of Wetlands of International Importance. People can find about 500 kinds of p6. and 300 species(种类) of animals in the reserve. It is f7. for the red-crowned cranes.

Before 2010, there were 13 villages with 1,200 f8. living in Zhalong. Many local people went fishing. Moreover, some people got money by cutting and s9. wetland reeds(芦苇). This left the cranes nowhere to hide. So, the g10. decided to solve(解决) these problems.