A:①②
B:②③
C:①③
D:①④
My Tuesday Morning
Chinese class
8: 20 a.m. (上午)
English class
9:10 a.m.
Music class
10:20 a.m.
P. E.
11:10 a.m.
例:After Chinese class, I have English class.
Before English class, I have Chinese class.
①控制着国家经济运行的整体态势 ②对促进经济增长发挥了积极作用
③成为我国国民经济的主导和支柱 ④是我国经济社会发展的重要基础