电介质极化
参考答案：在外电场作用下，电介质中带电质点的弹性位移引起正负电荷中心分离或极性分子按电场方向转动的现象。
以下与阿昔洛韦性质相符的是
A．属于核糖类抗病毒药
B．分子中含有三唑
C．化学名为9-(2-羟乙氧甲基)-鸟嘌呤
D．作用机理与代谢拮抗有关
E．又名无环鸟苷
The nurse is caring for a client who recently underwent a total hip replacement. The nurse should
A．ease the client onto a low toilet seat.
B．allow the client's legs to be crossed at the knees when out of bed.
C．use soft chairs when the client is sitting out of bed.
D．limit client hip flexion when sitting.
