问题
单项选择题
缺铁性贫血的实验室检查结果应是（）
A.血清铁降低、总铁结合力降低、转铁蛋白饱和度降低
B.血清铁降低、总铁结合力正常、转铁蛋白饱和度降低
C.血清铁降低、总铁结合力升高、转铁蛋白饱和度降低
D.血清铁降低、总铁结合力升高、转铁蛋白饱和度正常
E.血清铁正常、总铁结合力升高、转铁蛋白饱和度降低
答案
参考答案：C
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缺铁性贫血的实验室检查结果应是（）
A.血清铁降低、总铁结合力降低、转铁蛋白饱和度降低
B.血清铁降低、总铁结合力正常、转铁蛋白饱和度降低
C.血清铁降低、总铁结合力升高、转铁蛋白饱和度降低
D.血清铁降低、总铁结合力升高、转铁蛋白饱和度正常
E.血清铁正常、总铁结合力升高、转铁蛋白饱和度降低
参考答案：C
John is a famous writer now.But he said he was not a 小题1: student when he was young.He was often late for 小题2: and didn’t like doing his homework. Sometimes, he slept in class while the teacher was teaching.He didn’t understand much, 小题3: he always thought he understood everything.One day the teacher 小题4: the students a question, ‘When Jack was ten years old, 小题5: brother Bob was twenty.Jack is fifteen now and 小题6: is his brother Bob?’ John said, ‘ That’s easy.Bob is twice as old as Jack.So he is now thirty.’ Another time, the 小题7: in a science class asked, ‘ When it thunders（打雷）, 小题8: do we always see the light before we 小题9: the sound?’ ‘But, Miss,’ said John quickly.‘ Don’t you 小题10: our eyes are in front of our ears?’
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