川芎药材组织横切片的形成层呈A.环状B.类方形C.多角形D.波状环纹E.不规则状

作者: tihaiku 人气: - 评论: 0

问题川芎药材组织横切片的形成层呈

选项

A.环状
B.类方形
C.多角形
D.波状环纹
E.不规则状

答案 D

解析

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