Unit 11 Scientific achievements 1
Part 1 Background Knowledge 1
Part 2 Key Language Points 2
Part 3 Typical Problems 19
Part 4 Grammar Items 21
Part 5 Synchronous Test 27
Part 6 Outside Reading 35
Part 7 Key and Hint 35
Part 2 Key Language Points 42
Part 1 Background Knowledge 42
Unit 12 Fact and fantasy 42
Part 3 Typical Problems 56
Part 4 Grammar Items 58
Part 5 Synchronous Test 62
Part 6 Outside Reading 70
Part 7 Key and Hint 71
Unit 13 The water planet 77
Part 1 Background Knowledge 77
Part 2 Key Language Points 77
Part 3 Typical Problems 91
Part 4 Grammar Items 93
Part 5 Synchronous Test 103
Part 6 Outside Reading 110
Part 7 Key and Hint 111
Unit 14 Freedom fighters 117
Part 1 Background Knowledge 117
Part 2 Key Language Points 118
Part 3 Typical Problems 130
Part 4 Grammar Items 132
Part 5 Synchronous Test 139
Part 6 Outside Reading 147
Part 7 Key and Hint 147
Unit 15 Destinations 153
Part 1 Background Knowledge 153
Part 2 Key Language Points 153
Part 3 Typical Problems 167
Part 4 Grammar Items 169
Part 5 Synchronous Test 176
Part 6 Outside Reading 183
Part 7 Key and Hint 184
Unit 16 The United States of America 189
Part 1 Background Knowledge 189
Part 2 Key Language Points 190
Part 3 Typical Problems 209
Part 4 Grammar Items 211
Part 5 Synchronous Test 217
Part 6 Outside Reading 225
Part 7 Key and Hint 226
Part 2 Key Language Points 231
Part 1 Background Knowledge 231
Unit 17 Disabilities 231
Part 3 Typical Problems 246
Part 4 Grammar Items 248
Part 5 Synchronous Test 251
Part 6 Outside Reading 260
Part 7 Key and Hint 260
Unit 18 Inventions 267
Part 1 Background Knowledge 267
Part 2 Key Language Points 268
Part 3 Typical Problems 277
Part 4 Grammar Items 278
Part 5 Synchronous Test 284
Part 6 Outside Reading 292
Part 7 Key and Hint 293
Unit 19 The Merchant of Venice 299
Part 1 Background Knowledge 299
Part 2 Key Language Points 300
Part 3 Typical Problems 314
Part 4 Grammar Items 316
Part 5 Synchronous Test 321
Part 6 Outside Reading 329
Part 7 Key and Hint 330
Unit 20 Archaeology 336
Part 1 Background Knowledge 336
Part 2 Key Language Points 337
Part 3 Typical Problems 350
Part 4 Grammar Items 352
Part 5 Synchronous Test 356
Part 6 Outside Reading 363
Part 7 Key and Hint 364