下列对家鸽的描述不正确的是 A.变温动物卵生b.恒温动物前肢变成翼c.用肺和气囊进行双重�吸d.全身被覆羽毛用于飞行和保温——青夏 Template




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tomski下列对家鸽的描述不正确的是 a.变温动物卵生b.恒温动物前肢变成翼c.用肺和气囊进行双重�吸d.全身被覆羽毛用于飞行和保温——青夏 coloring