Reading comprehension.阅读对话，选择正确的答案。
This is a big nature park. In the park there is a forest and some mountains. On the mountains there are many trees and some beautiful flowers. There is much grass, too. There is a long path on the mountain. We can walk there. There are two lakes in the park. One is big, and one is small. We can swim and fish there. What can you see in the lake? Wow, there are many fish. What a nice park! 
（1）The nature park is _________.        
A. small       B.  big   
（2）There are some trees, flowers, _________ on the mountains.
A. grass and a path     B. a lake     C. a river
（3）We can walk on the _________ path. 
A. short    B. long   C. clean
（4）We can see ________ lakes in the park.  
A. 2     B. 3     C. 4
（5）Are there any fish in the lake?    B: __________.
A.Yes.     B. No.    C. Sorry, I don’t know.