Hiking by oneself can be fun and good for health. It may also be good for ______ building. A. respect B. friendship C. reputation D. character 答案:D 根据常识便可知运动既可增强体质也可强健个性,不会增强尊敬或名声,友谊可以增强,但与前面health不搭配,故 为character。 等腰三角形的周长是16cm,腰比底长2cm,则腰长为______cm.