儿童在3岁时,脑重相当于成人脑重的( )
A.25%
B.50%
C.80%
D.99%
正确答案是C
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上一篇:有14名专家参与“某地区普及计算机教育的小学达到95%的年份”的德尔菲预测调查,调查的第二轮结果为:5,5,5,6,6,7,7,7,8,8,9,9,10,10。试求它们的中位数和上下四分位数。Language and thought may be viewed as two independent circles overlapping in some parts. When language and thought are identical or closely parallel to each other, we may regard thought as "subvocal speech," and speech as” ______”.()
有14名专家参与“某地区普及计算机教育的小学达到95%的年份”的德尔菲预测调查,调查的第二轮结果为:5,5,5,6,6,7,7,7,8,8,9,9,10,10。试求它们的中位数和上下四分位数。Language and thought may be viewed as two independent circles overlapping in some parts. When language and thought are identical or closely parallel to each other, we may regard thought as "subvocal speech," and speech as” ______”.()