参考答案:E
答案解析:在各类先天性上尿路异常中输尿管异常最多见。
M: Do you have any reason to believe that your bag was stolen
W: Yes. I put it in the car just now, but lunch, it was gone.
[考点] 细节题
[解析] 对话中,当男士问“你确信你的包被偷了吗”时,女士回答yes。故本题答案为C。
维生素A不能防治佝偻病,但是维生素A参与软骨内成骨;维生素A缺乏时长骨形成和牙齿发育均受影响。
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