榛鸡的形体特征是( )。
A．两耳绿色
B．羽毛灰色
C．尾部裸露无毛
D．颈部有皮瘤
参考答案：B
—Do you know _____?
—Yes, I do, she came here on foot.[ ]
A. where Lucy came from
B. how Lucy came here
C. where did Lucy come from
D. how did Lucy come here
简述“六礼”和“六艺”分别是指什么？
