1. (2021九上·襄州期中) 听材料，回答问题。

1. （1） What are they talking about?

   A . How to go to school. B . How to protect the environment. C . How to recycle waste paper.
3. （2） How many ways did they talk about?

   A . Two. B . Three. C . Four.
5. （3） What's the last way?

   A . Recycling paper. B . Using a bag but not plastic bags. C . Riding a bike.