根据句意及首字母或汉语提示完成单词。

1. —Your handwriting is e______!    —Thank you.

2. I think s______ is the best season of a year.

3. The doctor took the boy's t______ and discovered that he had a high fever.

4. It's our duty to protect the ______ (环境).

5. I like Beijing, ______ (尤其) in autumn.