中国大学MOOC: (5) Rock climbing involves different kinds of dangerous movements on the rock face: turn around, ______ .
举一反三
- 中国大学MOOC: (3) Rock climbing is related to different kinds of dangerous movements on the rock face.
- 中国大学MOOC: The safest way to do rock climbing is to go to an indoor climbing gym .
- 中国大学MOOC: (4) Rock climbing is not a physically, but a mentally demanding sport.
- ______ several different styles and subdisciplines. At its most basic, rock climbing
- 中国大学MOOC: (2) Rock climbing combines mental fitness and recreation into one.