Unit One Big Bucks The Easy Way

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Two Deer And the Energy Cycle

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Three Why Do We Bel ieve that the Earth Is Round？Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Four Jim Thorpe

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Five To lie or Not to lie——The Doctor's DilemmaPart One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Six How to Mark a Book

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Seven The Luncheon

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Eight The New Cares

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Nine Journey West

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Unit Ten Why Peopl e Work

Part One Prestudying the Text

Part Two Notes to the Text

Part Three Exercises

Band Four

Test 1

Test 2

Test 3

Test 4

Key to Book four

Key to Band four