Unit One How should we celebrate our traditional Lunar New Year New Words Phrases After-reading Tasks Comprehensive Practice Grammar Translation Writing Speaking Reading New Words Keys to Unit One Unit Two Synergy of East and West for Greater Creativity New Words Phrases After-reading Tasks Comprehensive Practice Grammar Translation Writing Speaking Reading New Words Keys to Unit Two Unit Three Education in the New Economy New Words Phrases After-reading Tasks Comprehensive Practice Grammar Translation Writing Speaking Reading New Words Keys to Unit Three Unit Four Bill Gates In His Boyhood New words Phrases After-reading Tasks Comprehensive Practice Grammar Translation Writing Speaking Reading New Words Keys to Unit Four Unit Five A Robot about the House New Words Phrases After-reading Tasks Comprehensive Practice Grammar Translation Writing Speaking Reading New Words Keys to Unit Five Unit Six Symptoms New Words Phrases After-reading Tasks Comprehensive Practice Grammar Translation Writing Speaking Reading New Words Keys to Unit Six Unit Seven Unit Eight Unit Nine Unit Ten Unit Eleven Unit Twelve