总序
前言
Unit 1 What makes a scientist?
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 2 Imagination matters
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 3 Are we alone?
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 4 Are you expecting new life?
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 5 We are connected
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 6 On the road
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 7 One planet one chance
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Unit 8 Science with us
PART ONE Listening
PART TWO Reading
PART THREE Exercises
Keys & tape scripts