髋人字石膏的护理注意事项有
A．防止石膏干固
B．经常浸湿石膏
C．翻身时先向健侧床边移动
D．坐起时先向健侧移动
E．翻身必须待石膏干后进行
参考答案：E
天津已经建设成为我国北方重要的工业城市，请你谈谈天津工业发展的有利条件．
Because the head-teacher had some important guests to meet, the meeting only _______a few minutes.
A．kept
B．continued
C．lasted
D．covered
