越来越多的人参加极限运动。(participate in) More and more people participate in Extreme sport.

______ point along an ever increasingly harder route. While not an Olympic event, rock climbing is 3. ______ by the International Olympic Committee as a sport. Rock climbing has been

______ ,and balance along with their mental control. It can be a dangerous sport and climbers are 10. ______ when they go climbing However, the risk can be reduced by having the knowledge of proper climbing techniques and using specialized climbing equipment.

Section ADirections: There are 5 recorded dialogues in this section. After each dialogue, there is a recorded question. When you hear a question, choose the correct answer.[音频] A: An indoor sport. B: A water sport. C: A team sport. D: A ball sport

______ to catch fallers. Rock climbing is a physically and mentally demanding sport that tests a climber's strength,