\ \ \ 【目录】\ \ \ Unit One Text A Colin Powell: Straight to the Top Part One: Language Points Part Two: Key to Exercises Part Three: Self-check Part Four: Oral Expression: Greetings and intfoductionsUnit Two Text A That Lean and Hungry Look Part One: Language Points Part Two: Key to Exercises Part Three: Self-check Part Four: Oral Expression: EntertainingUnit Three Text A Selling Our Innocence Abroad Part One: Language Points\ \ \ \