Are you a man or a mouse? When people ask this question they want to know 21 you think you are a 22 person or a coward (懦夫), but you'll never really know the answer to this question 23 you are tested in real life.Some people 24 they are brave but when they come face to face with real 25 ,they act like cowards.Other people think of themselves as cowards, but when they meet danger, they act like 26 . Lenny Sputnik had always thought of himself as a 27 person.He got worried before examinations.He worried about his job and health.All he wanted in life was to be safe and healthy. 28 ,on January 15th,1982,a plane crashed into the Potomac River in Washington.Lenny went to the river to see what was happening.
He saw a woman in the 29 water.Lenny did not feel afraid.He kept very 30 and did a very courageous thing.He jumped into the Potomac, 31 to the woman, and kept her head 32 the water.Seventy-eight people died that day.Thanks to Lenny Sputnik, it was not 33 .
When you are in a very 34 situation and feel afraid, the body automatically(自动地)produce a chemical in the blood.This chemical is called adrenalin(肾上腺素).
35 adrenalin in the blood system, you actually feel stronger and stronger and are 36 to fight or run away.However, when you're absolutely(完全)terrified, the body can produce too much adrenalin.When this 37 ,the muscles (肌肉)become very hard and you find you 38 move at all.You are then paralyzed (瘫疾)with fear.That is 39 when we're very frightened, we sometimes say we're " petri——fied".This word comes from the Greek word "petros",which means"stone".We are 40 frightened that we become stonelike.
21.A.how B.why C.if D.either
22.A.brave B.real C.hard D.certain
23.A.when B.until C.after D.once
24.A.realize B.find C.think D.agree
25.A.life B.question C.mouse D.danger
26.A.soldiers B.mice C.heroes D.cowards
27.A.useless B.brave C.nervous D.dangerous
28.A.So B.Therefore C.Then D.Actual
29.A.fresh B.poisonous C.warm D.ice-cold
30.A.nervous B.calm C.frightened D.excited
31.A.go B.helped C.spoke D.swam
32.A.in B.under C.above D.from
33.A.an accident B.a mistake C.seventy-eightD.seventy-nine
34.A.dangerous B.comfortable C.different D.favourable
35.A.With B.Without C.For D.Like
36.A.afraid B.unable C.ready D.anxious
37.A.gets B.disappears C.happens D.goes
38.A.needn't B.cannot C.mustn't D.shouldn't
39.A.so B.how C.because D.why
40.A.really B.very C.such D.so
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