与小肠吸收营养物质无关的结构特点是A.小肠长约5~6米B.小肠黏膜表面有许多皱襞和绒毛C.小肠壁内有肠腺,分泌肠液D.小肠绒毛中有毛细血管和毛细淋巴管
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![与小肠吸收营养物质无关的结构特点是A.小肠长约5~6米B.小肠黏膜表面有许多皱襞和绒毛C.小肠壁内有肠腺,分泌肠液D.小肠绒毛中有毛细血管和毛细淋巴管](/uploads/image/z/3983093-53-3.jpg?t=%E4%B8%8E%E5%B0%8F%E8%82%A0%E5%90%B8%E6%94%B6%E8%90%A5%E5%85%BB%E7%89%A9%E8%B4%A8%E6%97%A0%E5%85%B3%E7%9A%84%E7%BB%93%E6%9E%84%E7%89%B9%E7%82%B9%E6%98%AFA.%E5%B0%8F%E8%82%A0%E9%95%BF%E7%BA%A65%7E6%E7%B1%B3B.%E5%B0%8F%E8%82%A0%E9%BB%8F%E8%86%9C%E8%A1%A8%E9%9D%A2%E6%9C%89%E8%AE%B8%E5%A4%9A%E7%9A%B1%E8%A5%9E%E5%92%8C%E7%BB%92%E6%AF%9BC.%E5%B0%8F%E8%82%A0%E5%A3%81%E5%86%85%E6%9C%89%E8%82%A0%E8%85%BA%2C%E5%88%86%E6%B3%8C%E8%82%A0%E6%B6%B2D.%E5%B0%8F%E8%82%A0%E7%BB%92%E6%AF%9B%E4%B8%AD%E6%9C%89%E6%AF%9B%E7%BB%86%E8%A1%80%E7%AE%A1%E5%92%8C%E6%AF%9B%E7%BB%86%E6%B7%8B%E5%B7%B4%E7%AE%A1)
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