A.全草 B.莖枝 C.莖髓 D.根 E.根莖
A.3處 B.4處 C.5處 D.6處 E.0處
A.質(zhì)地疏松 B.質(zhì)堅(jiān)硬而重 C.質(zhì)堅(jiān)而輕 D.質(zhì)脆疏松 E.體輕