并殖吸虫侵入第二宿主的阶段是A．囊蚴B．虫卵C．毛蚴D．胞蚴E．尾蚴蠕虫感染(A1型题1)

作者: rantiku 人气: - 评论: 0

问题并殖吸虫侵入第二宿主的阶段是

选项 A．囊蚴 B．虫卵 C．毛蚴 D．胞蚴 E．尾蚴蠕虫感染(A1型题1)

答案 E

解析

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