题目内容：

Are you a man or a mouse? When 1. (ask) this question, people want to know 2. you think you are a brave person or a coward. But you will never really know the answer to this question until you 3. (test) in real life. Some people think they are brave but when they come face to face with real danger, they act like cowards. 4. think of themselves as cowards, but when they meet danger, they act like 5. (hero).

When you are in a very dangerous situation and feel afraid, the body automatically produces a chemical 6. (call) adrenalin (肾上腺素) in the blood. With adrenalin in the blood system, you feel 7. (strong) than ever before. 8., when you are absolutely 9. (terrify), the body can produce too much adrenalin, 10. makes you find you can’t do anything at all.