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unit 1 environmental protection part ¢¡ language skill part ¢¢ language in context text a a fable for tomorrow part ¢£ toward productive language text b the story of clear lake unit 2 friends part ¢¡ language skill part ¢¢ language in context text a the joker part ¢£ toward productive language text b after twenty yea unit 3 under pressure part ¢¡ language skill part ¢¢ language in context text a the company man part ¢£ toward productive language text b seeing your way past interview jitte unit 4 celebrities part ¢¡ language skill part ¢¢ language in context text a my friend, albert eitein part ¢£ toward productive language text b charles darwin unit 5 wars part ¢¡ language skill part ¢¢ language in context text a a short story about the vietnam war memorial part ¢£ toward productive language text b d-day unit 6 pioneers part ¢¡ language skill part ¢¢ language in context texta the role of the undesirables part ¢£ toward productive language text b the last frontier unit 7 history part ¢¡ language skill part ¢¢ language in context texta the lesso of a graveyard part ¢£ toward productive language text b yes, it really was louis ¢ª¢¥¢¢, the heart of the doomed child king reveals unit 8 cultural differences part ¢¡ language skill part ¢¢ language in context text a on friendship part ¢£ toward productive language text b english and american concepts of space appendix vocabulary