婴幼儿时期脑的发育非常迅速,出生后的几年内,脑重量增加近4倍,()岁左右已基本接近成人。A.5 B.6 C.7 D.8

作者: tihaiku 人气: - 评论: 0
问题 婴幼儿时期脑的发育非常迅速,出生后的几年内,脑重量增加近4倍,()岁左右已基本接近成人。
选项 A.5 B.6 C.7 D.8
答案 C
解析

相关内容:婴幼儿,时期,发育,年内,重量,成人

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