题目内容
8、二氧化碳在血中浓度变化所引起的呼吸运动变化，主要通过中枢性化学感受器而起作用。
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9、CO2在血液中运输的形式一是形成碳酸氢盐和氨基甲酸血红蛋白，二是和水结合形成碳酸。
In the story, the narrator was carrying about 80 pieces of gold with him, but his gold was stolen by a thief.
The Sheik was a Prophet who knew everything happened to the narrator.
In the story, the donkey made some noise when the thief touched its tail.
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