Unit 1 Text A Galileo and Aristotle Text B SchweitzerUnit 2 Text A Life in the Universe Text B Black HolesUnit 3 Text A Young and in Love Text B A Kindness ReturnedUnit 4 Text A The Other Woman in My Life Text B Mama and the RoomerUnit 5 Text A Charles Darwin Text B The Long Chain of Evolution
Unit 1 Text A Galileo and Aristotle Text B SchweitzerUnit 2 Text A Life in the Universe Text B Black HolesUnit 3 Text A Young and in Love Text B A Kindness ReturnedUnit 4 Text A The Other Woman in My Life Text B Mama and the RoomerUnit 5 Text A Charles Darwin Text B The Long Chain of EvolutionUnit 6 Text A Should the Navy Draft Dolphins? Text B A Lesson from NatureUnit 7 Text A Health Food Text B Dried FoodRevision IUnit 8 Text A A Good Heart to Lean on Text B Becoming a Better PersonUnit 9 Text A A Television Production Text B How Do the Movie Do itUnit 10 Text A A Letter from an Editor Text B After a Visit to CanadaUnit 11 Text A Albert Einstein Text B Madame Curie and RadiumUnit 12 Text A Never Say Good-bye Text B The Man on the TrainUnit 13 Text A Computers Text B The Most Powerful Computer in the UniverseUnit 14 Text A Aggression in Humans and Animals Text B A Wing and a PrayerUnit 15 Text A Tost-tube Babies Text B Biological ClocksRevisionGlossary
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