北京市是从哪一年开展垃圾分类工作的？

根据句意及首字母提示用适当的单词填空。

1. A good coach should set a good example and act as a r        model to young athletes.

2. Luckily, his  parents e        him all the way.

3. In spite of his h        , Yao Ming didn’t show much interest in basketball.

4. The young man shows p___   as a poet.