TPO21 3
Reading 3
Section 1 3
Geothermal Energy 3
Section 2 12
The Origins of Agriculture 12
Autobiographical Memory 22
Listening 30
Section 1 30
Conversation 30
Lecture 1 31
Lecture 2 35
Section 2 38
Conversation 38
Lecture 1 40
Lecture 2 43
Speaking 47
Task 1 47
Task 2 49
Task 3 50
Task 4 53
Task 5 55
Task 6 56
Writing 59
Integrated Writing 59
Independent Writing 62
TPO22 69
Reading 69
Section 1 69
Spartina 69
Section 2 78
The Birth of Photography 78
The Allende Meteorite 86
Listening 95
Section 1 95
Conversation 95
Lecture 1 96
Lecture 2 100
Section 2 103
Conversation 103
Lecture 1 104
Lecture 2 108
Speaking 112
Task 1 112
Task 2 113
Task 3 115
Task 4 118
Task 5 120
Task 6 121
Writing 123
Integrated Writing 123
Independent Writing 126
TPO23 133
Reading 133
Section 1 133
Urban Climates 133
Section 2 140
Seventeeth-Century Dutch Agriculture 140
Rock Art of the Australia Aborigines 148
Listening 157
Section 1 157
Conversation 157
Lecture 1 158
Lecture 2 162
Section 2 165
Conversation 165
Lecture 1 166
Lecture 2 170
Speaking 174
Task 1 174
Task 2 175
Task 3 177
Task 4 179
Task 5 181
Task 6 182
Writing 185
Integrated Writing 185
Independent Writing 188
TPO24 197
Reading 197
Section 1 197
Lake Water 197
Section 2 204
Breathing During Sleep 204
Moving into Pueblos 211
Listening 219
Section 1 219
Conversation 219
Lecture 1 220
Lecture 2 224
Section 2 227
Conversation 227
Lecture 1 228
Lecture 2 231
Speaking 235
Task 1 235
Task 2 236
Task 3 238
Task 4 241
Task 5 243
Task 6 244
Writing 247
Integrated Writing 247
Independent Writing 250
TPO25 257
Reading 257
Section 1 257
The Surface of Mars 257
Section 2 264
The Decline of Venetian Shipping 264
The Evolutionary Origin of Plants 272
Listening 280
Section 1 280
Conversation 280
Lecture 1 281
Lecture 2 285
Section 2 289
Conversation 289
Lecture 1 290
Lecture 2 294
Speaking 298
Task 1 298
Task 2 299
Task 3 301
Task 4 303
Task 5 305
Task 6 306
Writing 309
Integrated Writing 309
Independent Writing 312
TPO26 319
Reading 319
Section 1 319
Energy and the Industrial Revolution 319
Section 2 329
Survival of Plants and Animals in Desert Conditions 329
Sumer and the First Cities of the Ancient Near East 337
Listening 346
Section 1 346
Conversation 346
Lecture 1 348
Lecture 2 352
Section 2 356
Conversation 356
Lecture 1 357
Lecture 2 361
Speaking 365
Task 1 365
Task 2 367
Task 3 368
Task 4 372
Task 5 374
Task 6 375
Writing 378
Integrated Writing 378
Independent Writing 381