ǰ�� Unit 1Greetings & IntroductionsI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: The Way Americans GreetV Grammar Tips : NumeralsVI Study & PracticeFun Time Unit 2Campus LifeI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: My College MoveV Grammar Tips: Noun & Its Possessive CaseVI Study & PracticeFun Time Unit 3WeatherI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: Global WarmingV Grammar Tips: Pronouns ( I )VI Study & PracticeFun Time Unit 4Holidays & FestivalsI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: Thanksgiving DayV Grammar Tips: Pronouns ( 11 )VI Study & PracticeFun Time Unit 5Farewell & WishesI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: A Farewell SpeechV Grammar Tips : ArticlesVI Study & PracticeFun Time Unit 6Food CultureI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: Fruit and Vegetables and Serious IllnessV Grammar Tips: Link Verbs, Auxiliary Verbs & Modal VerbsVI Study & PracticeFun Time Unit 7Seeing a DoctorI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: The Singing DoctorV Grammar Tips : Verb Tenses (I)VI Study & PracticeFun Time Unit 8Asking for DirectionsI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: World Tour at the Shanghai Expo V Grammar Tips: Comparative & Superlative DegreesVI Study & PracticeFun Time Unit 9Asking for a FavorI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: Mother's GiftV Grammar Tips: Verb Tenses(II)VI Study & PracticeFun Time Unit 10Thanks & ApologiesI Leading-inII Learning to SayIII Waking Up Your EarsIV Developing Your Reading: Happiness of Saying ThanksV Grammar Tips: Basic Patterns of Simple SentencesVI Study & PracticeFun Time Glossary Supplementary Exercises