单项选择题
A.5-6d,"起珠"B.10-11d,"合拢"C.17d,"封门"D.19d,"闪毛"
A.闪毛B.起珠C.合拢D.斜口
A.蚊虫珠B.小蜘蛛C.单珠D.双珠
A.3-5天B.5-6天C.10-11天D.18-19天
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