一个正方体容器，从里面量棱长10cm，里面装的水深5.5cm，如果把一个底面半径为2cm，高为5cm的圆柱形铁件浸没水中，水面将上升多少厘米？

The nurse is caring for a client who underwent a total hip replacement. What should the nurse and other caregivers do to prevent dislocation of the new prosthesis ？（）

A．Keep the affected leg in a position of adduction.

B．Use measures other than turning to prevent pressure ulcers.

C．Prevent internal rotation of the affected leg.

D．Keep the hip flexed by placing pillows under the client's knee.