1.The old man was sent to hospital because of high blood ________ (press).
2.The cut on my arm ________ (bleed) a lot when I was hurt yesterday.
3.These men made themselves famous for their courage and ________ (brave).
4.(2019年天津卷·阅读理解D)And the story poses an interesting question: why do some people discover new ________ (vital) and creativity to the end of their days,while others go to seed long before?