题目内容：

根据给出的首字母或汉语提示，写出所缺单词，使句子意义完整，语法正确。

1.As is well known to the world, ______(暴力) is our last choice.

2.To a ______ our dream of making black and white people equal, we still have a long way to go.

3.The room d______ with a famous painting will serve as a reception hall.

4.Although they come from t______ different cultures, they get along with each other..

5.The Chinese delegation has obvious advantages in ______(体操), table tennis and other events.

6.They hold a conference every five years on a r______ basis.

7.I’m afraid I can’t afford the time, but thank you for the invitation a______.

8.The traffic policeman ______(发信号) to the driver to stop her car but she ignored it.

9.There are still many places in the world that have not been ______(探索)

10.There research center has ______(成功) in developing a new anti-virus medicine.