小题1:Zhang Ming’s cousin will celebrate his __________ (第十二)

小题1:Zhang Ming’s cousin will celebrate his __________ (第十二) birthday this coming Friday.
小题2:The runner’s dream is to break the world ___________ (记录) of the 100-metre race.
小题3:Lin Tao always speaks to the elderly ___________ (礼貌地) and they all like him.
小题4:The Palace Museum is __________ (of value) to not only China but also the world.
小题5:Some people don’t _________ (get to know) the importance of health until they have lost it.