请根据所给的首写字母或汉语提示写出单词。

1. A stand-up comedian may make fun of an audience member, or he or she might decide to tell different

    jokes in r______ to the reactions of an audience.

2. This is one of the most o_______ (杰出的) paintings of the Renaissance period.

3. She wrote a book about her r_______ (不同寻常的) experience in South Africa, where she worked as

     a UN Goodwill Ambassador.

4. She presented the Queen with a bunch of flowers on b_______ of the students.

5. Each year, more and more people do _______ (志愿的) work to help the disabled, the poor and the elderly.

6. The desks and seats can be a_______ (调整) to the height of any children.

7. I understand that you often use the e_______ of the gymnast Sang Lan to show how people can find

    happiness even in difficult times.

8. Here are some nice presents. Take w_______ (无论哪个) one you like.

9. Everyone in the class was expected to p_______ in the food festival to welcome the year 2011.

10. Being a Goodwill Ambassador means that I visit countries where the UN o______ programmes to help

      people.