胃癌的最好发部位为( )
A．胃底B．胃窦C．贲门D．胃小弯E．胃大弯
参考答案：B
已知某工程双代号网络计划的计划工期等于计算工期，且工作M的完成节点为关键节点，则该工作（）。
A.为关键工作
B.自由时差等于总时差
C.自由时差为零
D.自由时差小于总时差
Under the Companies Ordinance, 1984 and the Code of Corporate Governance:
(a) state the qualifications for appointment as a company secretary of a listed company; and (5 marks)
