甘味药的作用是（）
A.发散、行气、行血
B.收敛固涩
C.软坚散结、泻下
D.补益、和中、缓急
E.渗湿利水
参考答案：D
We are sure you can pass the exam ______ you work hard. [ ]
A. successful as long as
B. successful as well as
C. successfully as long as
D. successfully as far as
系统的运行可行性分析是指
A．系统可能产生的经济效益分析
B．系统运行所需维护费用的需求分析
C．系统对组织及人员的适应性分析
D．系统开发人员技术水平的分析
