听一段材料，回答下面几个小题。
Where is the speaker giving the talk?
A.On a hill.
B.In a forest.
C.Beside a lake.
What can the listeners do at Summit Lake?
A.Rest and take photos.
B.Go boating or swimming.
C.Cook lunch over a campfire.
What would be part of the trip?
A.Climbing up rocks.
B.Fishing in a stream.
C.Walking through a field.