压疮的保守疗法为 ()
A．解除压迫
B．创面处理
C．注意营养全身管理
D．对患者家属进行预防压疮教育
E．避免外伤
参考答案：A, B, C
The library needs____, but it'll have to wait untilSunday. [ ]
A. cleaning
B. be cleaned
C. clean
D. being cleaned
从温度带上看，珠江三角洲地区属____带，从干湿状况方面看，属____地区。
