单项选择题
A.晏阳初 B.陶行知 C.梁漱溟 D.李景汉
A.1952 B.1953 C.1979 D.1980
A.常平仓 B.义仓 C.积谷仓 D.社仓
A.1788 B.1852 C.1869 D.1884
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