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32. The period of embryo heart development isA. 4-8 weeks of embryoB. 2-4 weeks of embryoC. 2-12 weeks of embryoD. 2-8 weeks of embryo

A、
A、4-8weeksofembryo;
B、
B、2-4weeksofembryo;
C、
C、2-12weeksofembryo;
D、
D、2-8weeksofembryo

发布时间：2025-07-26 16:51:49

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