我国的桂林山水属于（）典型的地貌。
参考答案：喀斯特地貌
(2013·高考重庆卷)The parents were shocked by________news that their son needed________operation on his knee.
A．a；/
B．the；/
C．the；an
D．a；an
旅游团进住酒店时，全陪导游应注意哪些环节？
