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【单选题】
有关新生儿的生理特点。错误的是（）A.
新生儿出生时，呼吸频率为40-60次／分
B.
新生儿出生后可有生理性黄疸
C.
新生儿出生后2～4天体重平均下降3％一7％
D.
新生儿消化功能比较完善，对母乳消化吸收最好
E.
新生儿出生后24h内可排出墨绿色胎便
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