1. 根据括号中的所给单词或汉语写出适当的单词。

1. （1） I think swimming is not as (interesting) as hiking.

3. （2） The singer's (smile) eyes look pretty.
   

5. （3） As volunteers, they are (乐意的) to help anyone.

7. （4） Being an (极好的) student needs hard work.

9. （5） I think good doctors should be (耐心的).