拟建项目方案经济比选的原则有( )。
A．计算简便
B．结论可靠
C．方法科学
D．计算口径一致
E．方案可比
参考答案：C,D,E
--- Does Mike play basketball every day?
--- He ________ that way, but now he plays only on Sunday.
A．used to play
B．is used to play
C．used to playing
D．was used to play
强调因人、因时、因环境实施管理，辩证地对待人和工作，即现代人力资源管理采取( )。
A．系统取向 B．权变取向 C．互惠取向 D．人本取向
