题干

从一个受精卵发育成一个可爱的宝宝,让我们看到了生命的神奇过程,下列叙述错误的是(    )

A:①②表示细胞分裂,③④表示细胞分化

B:大脑皮层主要由图中的神经组织构成

C:人体内的血液属于图中的结缔组织

D:骨组织、血液属于结缔组织

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答案(点此获取答案解析)

A

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