请你走进超市，填上合适的质量单位．
30多岁的刘某,在当地村民眼中是个“土霸王”,打骂母亲,欺负乡邻。他的母亲忍无可忍,便和另外两个儿子动用“家法”将刘某打死。母子大义灭亲的行
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As is known to us all, taking exercise is b____ to our health.
Is it cool in Dalian?(作肯定回答)
____
