原式=2+1-2×22+12+1×2-12-1
=2+1-2+(2-1)
=2+1-2+2-1
=2．
全身麻醉患者清醒前最重要的护理是（）
A.每15分钟测生命体征一次
B.去枕平卧，头偏向一侧
C.防止意外损伤
D.注意观察伤口渗血情况
E.保持输液道通畅
Under the Companies Ordinance, 1984, explain the following:
(ii) Articles of Association. (5 marks)
