UNIT 1 1
Text:Big Bucks the Easy Way 1
Study Practice 8
Reading Activity 16
Guided Writing 20
UNIT 2 22
Text: Deer and the Energy Cycle 22
Study Practice 27
Reading Activity 35
Guided Writing 40
Supplementary Reading in Popular Science 40
UNIT 3 43
Text: Why Do We Believe That the Earth Is Round? 43
Study Practice 49
Reading Activity 57
Guided Writing 62
REVISION EXERCISES 1 64
UNIT 4 68
Text: Jim Thorpe 68
Study Practice 76
Reading Activity 85
Guided Writing 90
Supplementary Reading in Popular Science 91
UNIT 5 94
Text: to Lie or Not to Lie-The Doctor s Dilemma 94
Study Practice 101
Reading Activity 108
Guided Writing 113
TEST YOURSELF: Test Paper 1 114
UNIT 6 124
Text: How to Mark a Book 124
Study Practice 132
Reading Activity 140
Guided Writing 143
Supplementary Reading In Popular Science 144
UNIT 7 147
Text: The Luncheon 147
Study Practice 156
Reading Activity 163
Guided Writing 168
UNIT 8 170
Text: The New Caves 170
Study Practice 177
Reading Activity 184
Gulded Writing 188
Supplementary Reading in Popular Science 189
REVISION EXERCISES 2 192
Text:Journey West 197
UNIT 9 197
Study Practice 205
Reading Activity 212
Guided Writing 215
UNIT 10 217
Text:Why People Work 217
Study Practice 224
Reading Activity 232
Supplementary Reading in Popular Science 237
Guided Writing 237
TEST YOURSELF:Test Paper 2 240
APPENDIX 1:Key to Revision Exercises 1 251
Key to Revision Exercises 2 253
APPENDIX 2:Key to Test Paper 1 255
Key to Test Paper 2 257
APPENDIX 3:Key to Exercises in Supplementary Readings 260
APPENDIX 4:Glossary 262