The nurse is caring for a client with acute osteomyelitis in the right tibia. Which of the following measures is most appropriate when repositioning the client's leg

A．Hold the leg by the ankle when repositioning to avoid touching the tibia.

B．Support the leg above and below the affected area when positioning.

C．Have the client move the leg by himself to decrease pain.

D．Apply warm moist compresses to the leg before repositioning.

关于瓷砖辐射的描述正确的是（）。

A.有辐射，但没有一些人说的那么夸张

B.玻化砖中的超白砖的辐射最强

C.瓷砖辐射的大小与瓷砖原料的使用有关

D.保持空气流通，可降低瓷砖辐射对人体的伤害