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地下城死灵法师
2015-10-03 · 超过18用户采纳过TA的回答
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Fire! Fire!”What terrible words to hear when one wakes up in a strange house in the middle of night! It was a large, old 1 house and my room was on the top floor. I jumped out of bed, 2 the door and stepped out into the passage. It was 3 of thick smoke.

  
  I began to 4 , but as I was still only half-awake, instead of 5 the stairs I went in the opposite direction. The smoke grew thicker and I could 6 flames all around. The floor became 7 under my bare feet. I found 8 door and ran into a room to get to the window. But before I could reach it, one of my feet 9 in something soft and I fell down. The thing I had fell over felt 10 a bundle of clothes, and I 11 to protect my face from the smoke and heat. Just then the floor 12 way under me and I crashed to the floor below with pieces of burning wood all around me.

  
  I saw a flaming doorway in front, put 13 over my face and ran. My feet burned me terribly, but I got through. As I reached the cold air outside, my bundle of clothes 14 a thin cry, I nearly dropped it in my 15 . Then I saw a crowd gathered in the street.

  
  A woman is a night-dress and 16 coat screamed as she saw me and came running 17 .

  
  “My baby! My baby!” She cried. The crowd 18 wildly as she took the smoke-blackened bundle out of my arms. I had some difficulty in 19 her. She was the Mayor's wife, and had 20 her baby. I was a hero.
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匿名用户
2015-10-03
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  1. C

  2. D

  3. A

  4. B

  5. A

  6. C

  7. D

  8. B

  9. A

  10. C

  11. D

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达令墨累
2015-10-03 · TA获得超过1028个赞
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CDABA,CDBAC,D后面没了
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确定是真的
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零零糍粑
2015-10-03 · TA获得超过107个赞
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干嘛不用学霸君呢
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拍不到
学霸君简直形同虚设
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云随心Oa
2018-07-25 · 知道合伙人教育行家
云随心Oa
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毕业于重庆某大学自动化专业,现任一电气公司电气设计工作,热爱数学

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A
利用cos2a=cosa^2-sina^2就行了

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