Unit 15 What do people eat? 1
Part 1 Text Explanation 1
Part 2 Typical Problems 37
Part 3 Synchronous Test 39
Part 4 Key and Hint 44
Unit 16 What a good,kind girl! 48
Part 1 Text Explanation 48
Part 2 Typical Problems 71
Part 3 Synchronous Test 73
Part 4 Key and Hint 78
Unit 17 You must be more careful! 82
Part 1 Text Explanation 82
Part 2 Typical Problems 105
Part 3 Synchronous Test 107
Part 4 Key and Hint 113
Unit 18 Seeing the doctor 117
Part 1 Text Explanation 117
Part 2 Typical Problems 140
Part 3 Synchronous Test 142
Part 4 Key and Hint 147
Unit 19 A visit to monkey island 151
Part 1 Text Explanation 151
Part 2 Typical Problems 173
Part 3 Synchronous Test 175
Part 4 Key and Hint 180
Unit 20 Mainly revision 184
Part 1 Text Explanation 184
Part 2 Typical Problems 206
Part 3 Synchronous Test 208
Part 4 Key and Hint 213
Unit 21 She taught herself 217
Part 1 Text Explanation 217
Part 2 Typical Problems 241
Part 3 Synchronous Test 242
Part 4 Key and Hint 247
Unit 22 The sports meeting 251
Part 1 Text Explanation 251
Part 2 Typical Problems 272
Part 3 Synchronous Test 274
Part 4 Key and Hint 279
Unit 23 A famous person 284
Part 1 Text Explanation 284
Part 2 Typical Problems 307
Part 3 Synchronous Test 308
Part 4 Key and Hint 314
Unit 24 What were they doing? 318
Part 1 Text Explanation 318
Part 2 Typical Problems 338
Part 3 Synchronous Test 339
Part 4 Key and Hint 345
Unit 25 The accident 349
Part 1 Text Explanation 349
Part 2 Typical Problems 366
Part 3 Synchronous Test 368
Part 4 Key and Hint 374
Unit 26 Mainly revision 378
Part 1 Text Explanation 378
Part 2 Typical Problems 390
Part 3 Synchronous Test 391
Part 4 Key and Hint 397