听下面一段较长对话,回答以下小题。
(1)
What is the main purpose of the speakers' hike?
A . To refresh themselves.
B . To get some exercise.
C . To explore a lake.
(2)
How far do the speakers still have to go to reach the lake?
A . 4. 5miles.
B . 6miles.
C . 7. 5miles.
答案: A
B