护理大便失禁的病员，应特别注意（）
A.观察大便性质
B.预防褥疮
C.记录大便量
D.脱水情况
参考答案：B
太阳能交通指示牌(贱金属制，上装有发光二极管，夜晚可发光)
A dangerous cargo manifest is needed for you to carry a combustible cargo. You should obtain the shipping papers to mark this manifest from the（）.
A.manufacturer
B.CCS
C.HAS
D.shipper
