明目地黄丸除明目外又能（）
A.补气养血
B.滋肾养肝
C.滋阴益气
D.健脾补肾
E.补肾温阳
参考答案：B
What do economists think of working hours in Asia
A．They don’t think that the working hours need reducing.
B．They think that a flexible working schedule is also desirable.
C．They think that working hours have declined satisfactorily.
D．They believe the flexible working hours benefit workers only.
高层建筑提高灭火自救能力的物质基础是什么？
