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【多选题】
关于小儿生理功能的叙述,不正确的是A.
随年龄的增长，小儿身体各部分成比例增加
B.
小儿对营养物质的需要量相对少于成人
C.
新生儿可从母体获得IgM，较少发生大肠杆菌败血症
D.
小儿时期的生理生化指标是相同的
E.
小儿的皮肤、粘膜容易破损
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