根据首字母提示填空.Yan Cheng is a city in the n____1___ of Jiangsu.

根据首字母提示填空.Yan Cheng is a city in the n____1___ of Jiangsu.
Yan Cheng is a city in the n____1___ of Jiangsu.It’s famous for its wetlands.The biggest wetland there has an a____2___of more than 450,000 hectares.It’s a perfect c__3___for many endangered birds.There are 590 kinds of insects and 490 kinds of p___4__in the wetland.They provide birds w____5__enough food.As many as 379 kinds of birds live there,including red-crowned cranes.Every winter,up to 1,200 red-crowned cranes stay there.
Wetlands are not only homes for birds and animals,they can also p___6__disasters(灾难).For e___7____,when there is too much rain,wetlands can hold water.Then there will be fewer floods.
Scientists say we must p__8______ our wetlands.If we don’t,it will be i__________ to see many endangered birds in the f___10___.
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