下列有关胎生的说法.错误的是( ) 1.发育成胎儿后,从母体产出 2.为哺乳动物特有,有利于提高幼体的成活率 3.下列有关胎生的说法.错误的是( ) 1.发育成胎儿后,从母体产出2.为哺乳动物特有,有
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![下列有关胎生的说法.错误的是( ) 1.发育成胎儿后,从母体产出 2.为哺乳动物特有,有利于提高幼体的成活率 3.下列有关胎生的说法.错误的是( ) 1.发育成胎儿后,从母体产出2.为哺乳动物特有,有](/uploads/image/z/10353672-0-2.jpg?t=%E4%B8%8B%E5%88%97%E6%9C%89%E5%85%B3%E8%83%8E%E7%94%9F%E7%9A%84%E8%AF%B4%E6%B3%95.%E9%94%99%E8%AF%AF%E7%9A%84%E6%98%AF%28+%29+1.%E5%8F%91%E8%82%B2%E6%88%90%E8%83%8E%E5%84%BF%E5%90%8E%2C%E4%BB%8E%E6%AF%8D%E4%BD%93%E4%BA%A7%E5%87%BA+2.%E4%B8%BA%E5%93%BA%E4%B9%B3%E5%8A%A8%E7%89%A9%E7%89%B9%E6%9C%89%2C%E6%9C%89%E5%88%A9%E4%BA%8E%E6%8F%90%E9%AB%98%E5%B9%BC%E4%BD%93%E7%9A%84%E6%88%90%E6%B4%BB%E7%8E%87+3.%E4%B8%8B%E5%88%97%E6%9C%89%E5%85%B3%E8%83%8E%E7%94%9F%E7%9A%84%E8%AF%B4%E6%B3%95.%E9%94%99%E8%AF%AF%E7%9A%84%E6%98%AF%28+%29+1.%E5%8F%91%E8%82%B2%E6%88%90%E8%83%8E%E5%84%BF%E5%90%8E%2C%E4%BB%8E%E6%AF%8D%E4%BD%93%E4%BA%A7%E5%87%BA2.%E4%B8%BA%E5%93%BA%E4%B9%B3%E5%8A%A8%E7%89%A9%E7%89%B9%E6%9C%89%2C%E6%9C%89)
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