西式宴会正式开始的标志是（）
A．主人拿起餐巾
B．主人拿起餐具
C．主宾拿起餐具
D．主人坐到餐桌前
参考答案：A
Many sports players became well-known after they joined in the Beijing Olympic Games.
The underlined part means " ______ ". [ ]
A. rich
B. strong
C. lucky
D. famous
绘图说明隧道断面示意图。
