1. 阅读短文，选择正确的答案。

Chen Li is from Boluo, a small town in Huizhou, Guangdong. There were two clean rivers and seven lakes many years ago. There were many bamboos and trees on the mountains. And there were many birds and other small animals in the mountains. There weren't any tall buildings there. This summer holiday, Chen Li went back to Boluo. There is only one river and four big lakes now. There are many tall buildings in this town, but he can't see the small animals in the mountains now. He is a little worried.

1. （1） There were not_________ many years ago.

   A . rivers or lakes B . many birds and small animals C . any tall buildings
3. （2） There were_________ on the mountains.

   A . many bamboos and trees B . flowers and fruit trees C . bridges and towers
5. （3） There is only_________ now.

   A . a bridge B . a river C . a tower
7. （4） Chen Li is a little_________ about the changes.

   A . happy B . worried C . angry
9. （5） There are_________ big lakes now.

   A . four B . five C . seven