Unit 1 1．Text:Close Friends 1
2．Words and Expressions 1
3．Notes 2
4．Grammar:A Brief Introduction(Ⅰ) 2
5．Exercises 3
6．Grammar Exercises 4
Unit 2 1．Text:Early Monday Morning in Centerville 5
2．Words and Expressions 5
3．Notes 6
4．Grammar:A Brief Introduction(Ⅱ) 6
5．Exercises 7
6．Grammar Exercises 9
Unit 3 1．Text:Applying for a Driver's License 10
2．Words and Expressions 10
3．Notes 11
4．Grammar:Word-Formation(Ⅰ) 11
5．Exercises 12
6．Grammar Exercises 14
Unit 4 1．Text:Every Weekend Is Important 15
2．Words and Expressions 15
3．Notes 16
4．Grammar:Word-Formation(Ⅱ) 17
5．Exercises 18
6．Grammar Exercises 19
Unit 5 1．Text:The Wilson's Party 20
2．Words and Expressions 20
3．Notes 21
4．Grammar:Word-Formation(Ⅲ) 22
5．Exercises 23
6．Grammar Exercises 24
Unit 6 1．Text:The Future 25
2．Words and Expressions 25
3．Notes 26
4．Grammar:Word-Formation(Ⅳ) 27
5．Exercises 28
6．Grammar Exercises 29
Unit 7 1．Text:Late for Work 30
2．Words and Expressions 30
3．Notes 31
4．Grammar:Word-Formation(Ⅴ) 32
5．Exercises 33
6．Grammar Exercises 34
Unit 8 1．Text:A Workday and an Off Day 35
2．Words and Expressions 35
3．Notes 36
4．Grammar:Nouns(Ⅰ) 37
5．Exercises 38
6．Grammar Exercises 38
Unit 9 1．Text:Great Inventions 39
2．Words and Expressions 39
3．Notes 40
4．Grammar:Nouns(Ⅱ) 41
5．Exercises 42
6．Grammar Exercises 43
Unit 10 1．Text:Owning a Car 44
2．Words and Expressions 44
3．Notes 45
4．Grammar:Nouns(Ⅲ) 46
5．Exercises 47
6．Grammar Exercises 48
Unit 11 1．Text:Rice 49
2．Words and Expressions 49
3．Notes 50
4．Grammar:Nouns(Ⅳ) 50
5．Exercises 52
6．Grammar Exercises 52
Unit 12 1．Text:The Lonely Millionaire 54
2．Words and Expressions 54
3．Notes 55
4．Grammar:Nouns(Ⅴ) 56
5．Exercises 57
6．Grammar Exercises 57
Unit 13 1．Text:Business Telecard International 58
2．Words and Expressions 58
3．Notes 59
4．Grammar:Articles(Ⅰ) 60
5．Exercises 61
6．Grammar Exercises 61
Unit 14 1．Text:Elephants 62
2．Words and Expressions 63
3．Notes 64
4．Grammar:Articles(Ⅱ) 65
5．Exercises 66
6．Grammar Exercises 67
Unit 15 1．Text:Push-Button English 68
2．Words and Expressions 68
3．Notes 70
4．Grammar:Articles(Ⅲ) 71
5．Exercises 72
6．Grammar Exercises 73
Unit 16 1．Text:Birds 74
2．Words and Expressions 74
3．Notes 76
4．Grammar:Articles(Ⅳ) 77
5．Exercises 78
6．Grammar Exercises 78
Unit 17 1．Text: Coffee Time 79
2．Words and Expressions 79
3．Notes 80
4．Exercises 81
5．Grammar Exercises 82
Unit 18 1．Text:Chocolate 83
2．Words and Expressions 83
3．Notes 84
4．Grammar:Pronouns(Ⅰ) 85
5．Exercises 87
6．Grammar Exercises 87
Unit 19 1．Text:Sign Language 88
2．Words and Expressions 88
3．Notes 89
4．Grammar:Pronouns(Ⅱ) 90
5．Exercises 91
6．Grammar Exercises 91
Unit 20 1．Text:The Spider 92
2．Words and Expressions 92
3．Notes 93
4．Grammar:Pronouns(Ⅲ) 94
5．Exercises 95
6．Grammar Exercises 96
Unit 21 1．Text:Tower Bridge 97
2．Words and Expressions 97
3．Notes 98
4．Grammar:Pronouns(Ⅳ) 99
5．Exercises 99
6．Grammar Exercises 100
Unit 22 1．Text:The Mississippi 101
2．Words and Expressions 101
3．Notes 102
4．Grammar:Pronouns(Ⅴ) 103
5．Exercises 104
6．Grammar Exercises 105
Unit 23 1．Text:A Bad Dream 106
2．Words and Expressions 106
3．Notes 107
4．Grammar:Pronouns(Ⅵ) 108
5．Exercises 109
6．Grammar Exercises 110
Unit 24 1．Text:World Trade 111
2．Words and Expressions 111
3．Notes 112
4．Grammar:Pronouns(Ⅶ) 113
5．Exercises 114
6．Grammar Exercises 115
Unit 25 1．Text:Agnes Smedley 116
2．Words and Expressions 116
3．Notes 118
4．Grammar:Pronouns(Ⅷ) 119
5．Exercises 120
6．Grammar Exercises 120
Unit 26 1．Text:Mankind 121
2．Words and Expressions 121
3．Notes 123
4．Grammar:Pronouns(Ⅸ) 124
5．Exercises 125
6．Grammar Exercises 125
Unit 27 1．Text:Weather Forecasting 127
2．Words and Expressions 127
3．Notes 128
4．Grammar:Pronouns(Ⅹ) 129
5．Exercises 130
6．Grammar Exercises 131
Unit 28 1．Text:Measurement of Time 132
2．Words and Expressions 133
3．Notes 134
4．Grammar:Pronouns(Ⅺ) 135
5．Exercises 137
6．Grammar Exercises 138
Unit 29 1．Text:Children and Television 139
2．Words and Expressions 139
3．Notes 140
4．Grammar:Numerals(Ⅰ) 141
5．Exercises 142
6．Grammar Exercises 143
Unit 30 1．Text:Africa 145
2．Words and Expressions 145
3．Notes 147
4．Grammar:Numerals(Ⅱ) 147
5．Exercises 148
6．Grammar Exercises 149
Unit 31 1．Text:The Marvel of the Machine Age 151
2．Words and Expressions 151
3．Notes 153
4．Grammar:Numerals(Ⅲ) 154
5．Exercises 155
6．Grammar Exercises 156
Unit 32 1．Text:Who Smokes? 157
2．Words and Expressions 157
3．Notes 159
4．Grammar:A Brief Introduction to Verbs(Ⅰ) 159
5．Exercises 160
6．Grammar Exercises 161
Unit 33 1．Text:The Sources of Energy 162
2．Words and Expressions 162
3．Notes 164
4．Grammar:A Brief Introduction to Verbs(Ⅱ) 164
5．Exercises 166
6．Grammar Exercises 167
Unit 34 1．Text:Mass Production 168
2．Words and Expressions 168
3．Notes 170
4．Grammar:Verb Tenses(Ⅰ) 171
5．Exercises 172
6．Grammar Exercises 173
Unit 35 1．Text:Insurance 174
2．Words and Exprssions 174
3．Notes 176
4．Grammar:Verb Tenses(Ⅱ) 177
5．Exercises 178
6．Grammar Exercises 179
Unit 36 1．Text:The Sea-World 180
2．Words and Expressions 181
3．Notes 182
4．Grammar:Verb Tenses(Ⅲ) 183
5．Exercises 184
6．Grammar Exercises 184
Unit 37 1．Text:The Great Fire of London 186
2．Words and Expressions 186
3．Notes 188
4．Grammar:Verb Tenses(Ⅳ) 189
5．Exercises 190
6．Grammar Exercises 190
Unit 38 1．Text:Scientists Ought to Be Cautious 191
2．Words and Expressions 191
3．Notes 192
4．Grammar:Verb Tenses(Ⅴ) 193
5．Exercises 194
6．Grammar Exercises 195
Unit 39 1．Text:Atoms and Elements 196
2．Words and Expressions 197
3．Notes 198
4．Grammar:Verb Tenses(Ⅵ) 198
5．Exercises 199
6．Grammar Exercises 200
Unit 40 1．Text:Science 201
2．Words and Expressions 201
3．Notes 202
4．Grammar:Verb Tenses(Ⅶ) 202
5．Exercises 203
6．Grammar Exercises 204
Unit 41 1．Text:Water 205
2．Words and Expressions 205
3．Notes 206
4．Grammar:Verb Tenses(Ⅷ) 206
5．Exercises 208
6．Grammar Exercises 209
Unit 42 1．Text:The Clever Servant 210
2．Words and Expressions 210
3．Notes 211
4．Grammar:Verb Tenses(Ⅸ) 211
5．Exercises 212
6．Grammar Exercises 213
Unit 43 1．Text:Computers 215
2．Words and Expressions 215
3．Notes 216
4．Grammar:Verb Tenses(Ⅹ) 217
5．Exercises 217
6．Grammar Exercises 218
Unit 44 1．Text:Irrigation 219
2．Words and Expressions 220
3．Notes 220
4．Grammar:Verb Tenses(Ⅺ) 221
5．Exercises 221
6．Grammar Exercises 222
Unit 45 1．Text:Machines on the Farm 223
2．Words and Expressions 223
3．Notes 224
4．Grammar:Verb Tenses(Ⅹ) 225
5．Exercises 226
6．Grammar Exercises 227
Unit 46 1．Text:Lasers 228
2．Words and Expressions 228
3．Notes 229
4．Grammar:Verb Tenses(Ⅹ) 230
5．Exercises 231
6．Grammar Exercises 231
Unit 47 1．Text:Galileo 232
2．Words and Expressions 232
3．Notes 233
4．Grammar:The Passive Voice(Ⅰ) 233
5．Exercises 235
6．Grammar Exercises 236
Unit 48 1．Text:Helicopters 237
2．Words and Expressions 237
3．Notes 238
4．Grammar:The Passive Voice(Ⅱ) 238
5．Exercises 239
6．Grammar Exercises 240
Unit 49 1．Text:Salt 241
2．Words and Expressions 242
3．Notes 243
4．Grammar:The Passive Voice(Ⅲ) 243
5．Exercises 244
6．Grammar Exercises 245
Unit 50 1．Text:Anaesthetics 246
2．Words and Expressions 247
3．Notes 248
4．Exercises 248
5．Grammar Exercises 248
Unit 51 1．Text:Fires Long Ago 250
2．Words and Expressions 251
3．Notes 252
4．Grammar:The Subjunctive Mood(Ⅰ) 252
5．Exercises 254
6．Grammar Exercises 254
Unit 52 1．Text:Bees and Colour 255
2．Words and Expressions 255
3．Notes 256
4．Grammar:The Subjunctive Mood(Ⅱ) 257
5．Exercises 258
6．Grammar Exercises 258
Unit 53 1．Text:Weight On and Off the Earth 259
2．Words and Expressions 259
3．Notes 260
4．Grammar:The Subjunctive Mood(Ⅲ) 261
5．Exercises 262
6．Grammar Exercises 263
Unit 54 1．Text:The Professional Footballer 264
2．Words and Expressions 264
3．Notes 265
4．Exercises 266
5．Grammar Exercises 267
Unit 55 1．Text:Universities 269
2．Words and Expressions 269
3．Notes 270
4．Grammar:Infinitive 271
5．Exercises 272
6．Grammar Exercises 273
Unit 56 1．Text:The Tailor 274
2．Words and Expressions 274
3．Notes 275
4．Grammar:Infinitive Without To 276
5．Exercises 277
6．Grammar Exercises 278
Unit 57 1．Text:The Farmer 279
2．Words and Expressions 279
3．Notes 280
4．Grammar:Tense of the Infinitive 280
5．Exercises 281
6．Grammar Exercises 282
Unit 58 1．Text:The Supermarket Manager 283
2．Words and Expressions 283
3．Notes 284
4．Grammar:Passive Form of the Infinitive 285
5．Exercises 286
6．Grammar Exercises 287
Unit 59 1．Text:Canadian Education 288
2．Words and Expressions 288
3．Notes 289
4．Grammar:Infinitive as Subject or Object 290
5．Exercises 291
6．Grammar Exercises 292
Unit 60 1．Text:The Climate of the United States 293
2．Words and Expressions 293
3．Notes 294
4．Grammar:Infinitive as Object or Subject Complement 295
5．Exercises 296
6．Grammar Exercises 297
Unit 61 1．Text:Wales:'Land of Song' 298
2．Words and Expressions 298
3．Notes 299
4．Grammar:Infinitive as Predicative or Attributive 300
5．Exercises 301
6．Grammar Exercises 301
Unit 62 1．Text:Employment Problem in America 303
2．Words and Expressions 304
3．Notes 305
4．Grammar:Infinitive as Adverbal or Appositive 305
5．Exercises 306
6．Grammar Exercises 307
Unit 63 1．Text:How Do You DO Your Counting 308
2．Words and Expressions 308
3．Notes 309
4．Grammar:Infinitive as Adverbiul or Appositive 310
5．Exercises 311
6．Grammar Exercises 312
Unit 64 1．Text:The Forms of Energy 313
2．Words and Expressions 314
3．Notes 315
4．Exercises 316
5．Grammar Exercises 317
Unit 65 1．Text:Modern American Architecture 319
2．Words and Expressions 320
3．Notes 321
4．Grammar:The Gerund(Ⅰ) 321
5．Exercises 322
6．Grammar Exercises 323
Unit 66 1．Text:The Younger Generation Knows Best 324
2．Words and Expressions 325
3．Notes 326
4．Grammar:The Gerund(Ⅱ) 327
5．Exercises 328
6．Grammar Exercises 329
Unit 67 1．Text:Television 330
2．Words and Expressions 330
3．Notes 332
4．Grammar:Tense and Passive Form of Gerund 333
5．Exercises 334
6．Grammar Exercises 335
Unit 68 1．Text:Learning a Langunage 336
2．Words and Expressions 337
3．Notes 338
4．Grammar:Difference Between Gerund and Infinitive as Object 339
5．Exercises 340
6．Grammar Exercises 341
Unit 69 1．Text:On not Answering the Telephone 342
2．Words and Expressions 342
3．Notes 344
5．Exercises 345
5．Grammar Exercises 346
Unit 70 1．Text:Predicting the Weather 348
2．Words and Expressions 349
3．Notes 350
4．Grammar:The Participle 350
5．Exercises 351
6．Grammar Exercises 352
Unit 71 1．Text:Nobody Believed It 353
2．Words and Expressions 353
3．Notes 354
4．Grammar:Ⅰ．Tense of the Participle 355
Ⅱ．Voice of the Participle 356
5．Exercises 357
6．Grammar Exercises 358
Unit 72 1．Text:What is Electricity? 360
2．Words and Expressions 361
3．Notes 362
4．Grammar:Ⅰ．Participle as Adverbial(Ⅰ) 363
Ⅱ．Participle as Adverbial(Ⅱ) 364
5．Exercises 365
6．Grammar Exercises 366
Unit 73 1．Text:The Genius of the Age 367
2．Words and Expressions 368
3．Notes 369
4．Grammar:Ⅰ．Participle as Complement 370
Ⅱ．Participle as Attributive or Predicative 371
5．Exercises 371
6．Grammar Exercises 372
Unit 74 1．Text:Air Pollution 374
2．Words and Expressions 374
3．Notes 376
4．Grammar:Difference between Present Participle and Past Participle 376
5．Exercises 377
6．Grammar Exercises 378
Unit 75 1．Text:An Urgent Problem Waiting for a Solution 381
2．Words and Expressions 382
3．Notes 383
4．Grammar:Ⅰ．Phrasal verbs(Ⅰ) Ⅱ．Phrasal verbs(Ⅱ) 384
5．Exercises 385
6．Grammar Exercises 386