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根尖吸收水分和无机盐的主要部位是()
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根尖吸收水分和无机盐的主要部位是()
A、根冠
B、分生区
C、伸长区
D、成熟区(根毛区)
时间:2021-09-01 23:23
关键词:
青书学堂
内蒙古农业大学
植物学
答案解析
D
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