题目内容

孕早期过量摄入维生素A,可导致( )

A. 自发性流产和新生儿先天性缺陷
B. 新生儿中枢神经系统畸形
C. 新生儿颅面部畸形
D. 新生儿心血管畸形

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Listen carefully and choose the word you hear.

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