下列物质属于溶液的是[ ]
A.食盐水
B.油水
C.泥水
D.蒸馏水
答案：A
People who are ______ drugs can’t go without them for a few hours , can they ?
A．addicted to
B．engaged in
C．satisfied with
D．related to
肝脏清除胆固醇的主要方式是
A．转变成类固醇激素
B．转变成维生素D
C．转变成胆汁酸
D．合成低密度脂蛋白
E．氧化供能
