义齿修复前常需进行牙槽骨修整的部位,不包括
A.上颌结节
B.上颌硬腭正中区
C.磨牙后垫
D.下颌双尖牙舌侧
E.拔牙创部位
参考答案:C
解析:磨牙后垫处一般不会出现异常的牙槽骨骨突。
In relation to company law:
(a) Explain the procedure by which members of a public company may remove a director from office. (5 marks)
氢弹的构造及爆炸原理?