Sport is not only physically challenging, but it can also be mentally challenging. Criticism from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of ______ or stress for young athletes.

Regular exercise enhances people’s sense of mental well-being and keeps them ___healthy. A: physically B: mentally C: psychologically D: psychiatrically

Rock climbing, in its early stage, became a sport for people with and heavy, thick ropes. A: bower anchor B: dutch courage C: sheer guts D: static ropes E: dynamic ropes

______ 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

中国大学MOOC: The safest way to do rock climbing is to go to an indoor climbing gym .