维生素D缺乏性佝偻病时肌肉松弛,肌张力降低的原因是肌肉

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婴儿体重4kg,前囟1.5cm×1.5cm,后囟0.2cm,能微笑,头不能竖立,最可能的月龄是

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Choset's snake robots could make more movements than the one

Choset's snake robots could make more movements than the ones others developed.

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The planet that could support life might be a little bit sm

The planet that could support life might be a little bit smaller than Earth.A.R

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一小儿身高75cm,体重9.5kg,头围45cm,此小儿的年龄可能为

一小儿身高75cm,体重9.5kg,头围45cm,此小儿的年龄可能为A.9个月 B.1岁 C.2岁 D.2岁6个月 E.3岁

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