Unit Two Before Reading Global Reading Detailed Reading After Reading The value of Life ome Zooming In: An Integrated English Course- Electronic Teaching Portfolio Directions: Read the following introduction to sight diseases Compared with what you have learned about the diseases before Word Web is this introduction more informative? What new knowledge can Read and Think you get from it? 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②think1 Directions: Read the following introduction to sight diseases. Compared with what you have learned about the diseases before, is this introduction more informative? What new knowledge can you get from it? Word Web Think and Speak Read and Think Helen Keller Helen Keller’s Miracle Helen and Anne Helen Keller’s Chronology