小儿的眼和头能转向声源,能区别语言的意义时,已有()。 A.1个月 B.6个月 C. 发布时间:2017-08-05 01:11 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 小儿的眼和头能转向声源,能区别语言的意义时,已有()。A.1个月B.6个月C.8个月D.1周岁E.2周岁
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