Part 1 Background Knowledge 1
Part 2 Language Points 1
Unit 13 Healthy eating 1
Part 3 Typical Problems 31
Part 4 Grammar Items 33
Part 5 Synchronous Test 37
Part 6 Key and Hint 44
Unit 14 Festivals 49
Part 1 Background Knowledge 49
Part 2 Language Points 50
Part 3 Typical Problems 76
Part 4 Grammar Items 78
Part 5 Synchronous Test 80
Part 6 Key and Hint 87
Part 1 Background Knowledge 91
Part 2 Language Points 91
Unit 15 The necklace 91
Part 3 Typical Problems 119
Part 4 Grammar Items 121
Part 5 Synchronous Test 126
Part 6 Key and Hint 133
Unit 16 Scientists at work 138
Part 1 Background Knowledge 138
Part 2 Language Points 140
Part 3 Typical Problems 169
Part 4 Grammar Items 171
Part 5 Synchronous Test 174
Part 6 Key and Hint 180
Unit 17 Great women 185
Part 1 Background Knowledge 185
Part 2 Language Points 186
Part 3 Typical Problems 219
Part 4 Grammar Items 221
Part 5 Synchronous Test 225
Part 6 Key and Hint 232
Unit 18 New Zealand 236
Part 1 Background Knowledge 236
Part 2 Language Points 237
Part 3 Typical Problems 263
Part 4 Grammar Items 264
Part 5 Synchronous Test 267
Part 6 Key and Hint 274
Part 2 Language Points 279
Part 1 Background Knowledge 279
Unit 19 Modern agriculture 279
Part 3 Typical Problems 306
Part 4 Grammar Items 308
Part 5 Synchronous Test 310
Part 6 Key and Hint 317
Unit 20 Humour 322
Part 1 Background Knowledge 322
Part 2 Language Points 323
Part 3 Typical Problems 339
Part 4 Grammar Items 341
Part 5 Synchronous Test 345
Part 6 Key and Hint 352
Unit 21 Body language 357
Part 1 Background Knowledge 357
Part 2 Language Points 358
Part 3 Typical Problems 378
Part 4 Grammar Items 379
Part 5 Synchronous Test 385
Part 6 Key and Hint 392
Unit 22 A world of fun 397
Part 1 Background Knowledge 397
Part 2 Language Points 398
Part 3 Typical Problems 416
Part 4 Grammar Items 418
Part 5 Synchronous Test 421
Part 6 Key and Hint 428