Unit1 Disneyland 1
Unit2 No smoking，please 19
Unit3 Body language 42
Unit4 Newspapers 63
Unit5 Charlie Chaplin 84
Unit6 Mainly revision 106
Unit7 Canada 127
Unit8 First aid 150
Unit9 Saving the earth 173
Unit10 At the shop 196
Unit11 Hurricane 216
Unit12 Mainly revision 238
Unit13 Albert Einstein 259
Unit14 Satellites 280
Unit15 A famous detective 303
Unit16 The sea 329
Unit17 Life in the future 348
Unit18 Mainly revision 369
Unit19 A freedom fighter 394
Unit20 Disability 417
Unit21 Music 440
Unit22 A tale of two cities 459
Unit23 Telephones 482
Unit24 Mainly revision 503
参考答案 521