掌握系统优化的观点要求我们[ ]
A．注意矛盾双方的转化
B．要着眼于事物的整体性、有序性
C．要坚持两点论和重点论的统一
D．要具体问题具体分析
答案：B
---Would you like to drink some orange juice?
--- Thanks. , but I have drunk a lot of tea.
A．I think so
B．I don’t think so
C．I’m afraid not
D．I’d love to
