根据短文,回答题What used to be the danger in being a man according

根据短文,回答题What used to be the danger in being a man according to the first paragra

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第36题正确答案为(  )

第36题正确答案为(  )A.[ A ] started B.[ B ] conducted C.[ C ] replaced D.[ D ] proposed

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稳定型种群的年龄结构图是呈典型的金字塔形的锥体形状。(  )

稳定型种群的年龄结构图是呈典型的金字塔形的锥体形状。(  )

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