Unit Two Before Reading Global Reading Detailed Reading After Reading The value of Life ome Zooming In: An Integrated English Course- Electronic Teaching Portfolio Word Web A Read and Think Think and Speak Helen keller Helen Keller 's Chronology Helen Keller's Miracle Helen and Anne 新世纪大学英语系列教材综合教程电子教②Word Web Read and Think Think and Speak Helen Keller’s Miracle Helen and Anne Helen Keller Helen Keller’s Chronology