听一段材料，回答下面几个小题。How far did they walk every day during the trip?
A. 10 kilometers.
B. 15 kilometers.
C. 20 kilometers.What problem did they have?
A. They didn't have modern equipment.
B. There wasn't enough oxygen sometimes.
C. They couldn't walk freely in the mountains.What did the woman enjoy most about the trip?
A. Clean air.
B. Delicious food.
C. Beautiful sunshine.
听一段材料，回答下面几个小题。Where are the speakers?
A. In a bank.
B. On a lake.
C. At a hotel.Why does David’s father want to spend Christmas in the countryside?
A. He can enjoy the lake view.
B. He can be freed from housework.
C. He can have some peace and quiet.Why is David unhappy?
A. He can’t attend the party.
B. He isn’t allowed to skate.
C. He has to cook for his parents.
听一段材料，回答下面几个小题。How did the man come to the place?
A. By car.
B. On foot.
C. By train.Why is the man here?
A. To have an interview.
B. To discuss traffic problems.
C. To share his work experience.
听一段材料，回答下面几个小题。How long is the woman going to stay at the hotel?
A. Two nights.
B. Three nights.
C. Four nights.Why are the prices for the two rooms different?
A. The rooms are different in size.
B. The rooms have different views.
C. The rooms are of different shapes.
How is Janet probably feeling now?
A. Disappointed.
B. Confused.
C. Stressed.
Why has the man stopped exercising?
A. He is busy moving house.
B. He lives far away from the gym.
C. He dislikes going to the gym alone.