Conversation 5
For whom does the woman buy the T-shirt?
如图,已知AC⊥BC,BD⊥AD,AC与BD交于O,AC=BD.
求证:
下列关于单子叶植物的叙述中,正确的是( )
既是轴对称,又是中心对称图形的是( )
Ge You is ____ ____ (famous) his humour.