单项选择题
A.Educational facilities in Africa. B.Founding a university for women. C.Agricultural production in Zimbabwe. D.Women's role in agricultural production.
A.Differences between modes of learning. B.Deficiencies of formal learning. C.Advantages of informal learning. D.Social context and learning systems.
A.demonstrate how to prevent crime. B.show the seriousness of crime. C.look into the causes of crime. D.call for more government efforts.