题目内容：

 

1.Zhang Ming’s cousin will celebrate his __________ (第十二) birthday this coming Friday.

2.The runner’s dream is to break the world ___________ (记录) of the 100-metre race.

3.Lin Tao always speaks to the elderly ___________ (礼貌地) and they all like him.

4.The Palace Museum is __________ (of value) to not only China but also the world.

5.Some people don’t _________ (get to know) the importance of health until they have lost it.