Chapter One focuses on theoretical study, which discusses three kinds of classical theories: a typology of bilingual education by William F.Mackey, a theory on bilingual education policy by William F.

• 第一章主要探讨与双语教育政策与实践研究相关的三个经典理论,即麦基的双语教育类型学理论、麦基和比德的双语教育政策理论以及鲁宾的双语教育规划理论。