"五四"新文化运动高举的旗帜是（）
A.民主
B.博爱
C.自由
D.平等
E.科学
参考答案：A, E
It is required that more attention _____ the education of the children in poor areas. [ ]
A. should be paid to improve
B. be paid to improving
C. should be paid to have improved
D. be paid to have improved
真武汤证与猪苓汤证有何异同？
