Every person has some unforgettable experiences in his life .Some will remain in his heart

Every person has some unforgettable experiences in his life .Some will remain in his heart as instructive stories to his life. I believe that we often tell ourselves the stories in order to keep our sanity(通情达理). These stories stay inside ourselves.
Many of the stories that I have kept inside myself are in the 36 of lessons that have taught me something about life. These lessons are 37 to carry with me. They require no outside 38 to store them in. No one can 39 me of them. They 40 their freshness without having to be renewed. And I can offer them to others without 41 them myself.
I remember there is a lesson which is about a little girl who was 42 from a serious disease. Her only chance of 43 was to have a blood transfusion(输血) 44 her five-year-old brother. The doctor asked the little boy 45 he would be willing to give his 46 to his sister. He took a 47 breath and said he would do it if it would save her life.
As the transfusion took place, he lay in bed next to his sister and smiled as he watched the color 48 to her cheeks. Then his 49 disappeared. He looked up at the doctor and asked in a trembling 50 . “Will I start to 51 right away?”
Being so 52 , the lovely little boy had 53 the doctor. He thought he was going to die after he gave blood to his sister.
This was my lesson in “ 54 ”. I learned that a candle loses 55 by lighting another candle.
【小题1】A．costB．formC．useD．number【小题2】A．difficultB．interestingC．harmfulD．easy【小题3】A．spaceB．computerC．containerD．ground【小题4】A．remindB．robC．warnD．inform【小题5】A．remainB．leadC．valueD．develop【小题6】A．damagingB．destroyingC．stealingD．losing【小题7】A．hearingB．deadC．sufferingD．free【小题8】A．recoveryB．worseningC．treatD．respond【小题9】A．towardB．ofC．fromD．to【小题10】A．whichB．ifC．whenD．how【小题11】A．bloodB．lifeC．timeD．health【小题12】A．slowB．deepC．shortD．quick【小题13】A．reviewB．replaceC．reduceD．return【小题14】A．courageB．smileC．breathD．color【小题15】A．voiceB．bodyC．conditionD．state【小题16】A．dieB．disappearC．hesitateD．leave【小题17】A．foolishB．ridiculousC．youngD．handsome【小题18】A．misunderstoodB．worriedC．hatedD．liked【小题19】A．askingB．receivingC．cryingD．giving【小题20】A．anythingB．nothingC．somethingD．everythingB

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谢谢了