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 ������, 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