Unit 1 Part I Perparatory Part II Language in Context Text A Internet Partt III Toward Productiv Language Text B Robots Unit 2 Part I Perparatory Part II Language in Context Text A Snake Partt III Toward Productiv Language Text B Apes Unit 3 Part I Perparatory Part II Language in Context Text A The Titanic Partt III Toward Productiv Language Text B Christmas Unit 4 Part I Perparatory Part II Language in Context Text A Energy Partt III Toward Productiv Language Text B Salt Unit 5 Part I Perparatory Part II Language in Context Text A Honest Scales Partt III Toward Productiv Language Text B Strange Creatures Unit 6 Part I Perparatory Part II Language in Context Text A Suntan and Society Partt III Toward Productiv Language Text B The Discovery of the X-Ray Unit 7 Part I Perparatory Part II Language in Context Text A Sleep and Emotions Partt III Toward Productiv Language Text B Thinking Highly of Yourself Unit 8 Part I Perparatory Part II Language in Context Text A How to Take Your Time Partt III Toward Productiv Language Text B Good Luck