脂蛋白电泳可分为四条区带：________、________、________、________ 。
参考答案：乳糜微粒 α脂蛋白 β脂蛋白 前β脂蛋白
My friend is very kind. He always _____ all his things _____ others.[ ]
A. share; with
B. shares; to
C. shares; with
D. share; for
“炒股如种粮，春播秋收冬藏”“伴君如伴虎，跟庄如跟狼”等谚语主要反映了股票具有
①受益性②风险性③偿还性④固定性
A．①②
B．③④
C．②③
D．①④
