根据句意及汉语提示完成下列句子。  

1. I buy many            (玩具) for my son.  

2. What kind of            (活动) do you like?  

3. He lives in the            (西方) of the city.  

4. The children can't swim at the            (水池). 

5. My mother often            (购物) on weekends.

地衣能在岩石上生长，又能腐蚀岩石。这说明生物体（ ）

A．都能适应环境

B．与环境形成统一的整体

C．都能生长和繁殖

D．既能适应环境，也能影响环境