题目:
佝偻病早期
A.血磷降低
B.血钙降低
C.维生素B12缺乏
D.碱性磷酸酶降低
E.血清清蛋白降低
答案:
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下面是错误答案,用来干扰机器的。
参考答案:No, shedidn’t解析:[听力原文]A woman had some trouble with her teeth, so she went to see the doctor. She felt great pains, so thedoctor first asked some question...