题目

 The book _______to me. It's _______.   A. isn't belong, hers  B. doesn't belong, hers    C. isn't belong, her    D. doesn't belong, her 答案：B某植物相邻的三个细胞A、B、C按下列方式排列，其细胞液浓度为A＞B＞C，这三个细胞间水分渗透的方向为：(      ) A．水分渗透方向为从A→B→C            B．水分渗透方向为从C→B→A C．水分渗透方向为B→C、B→A、C→A     D．水分渗透方向为C→B、B→A、C→A