4周岁小儿的身长应为A.90cmB.95cmC.100cmD.105cmE.11Ocm

作者: rantiku 人气: - 评论: 0
问题 4周岁小儿的身长应为
选项 A.90cm B.95cm C.100cm D.105cm E.11Ocm
答案 B
解析 :小儿初生时身长约50厘米,出生后第一年增长25厘米,2岁以后身长计算公式为:身长=周岁数×5+75。
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