Unit 1 1
Text A Welcome back！ 1
Text B A little traveler 4
Unit 2 8
Text A Light on 8
Text B The day before yesterday is my birthday 10
Unit 3 14
Text A TV or no TV？ 14
Text B I think I’m your mother 17
Unit 4 21
Text A Snow 21
Text B Australia 24
Unit 5 27
Text A The weather in London 27
Text B The difference of weather and climate 30
Unit 6 33
Text A A singer at dinner 33
Text B Buying a dress 36
Unit 7 39
Text A A dilemma 39
Text B A good idea 42
Unit 8 46
Text A A letter 46
Text B Come to my party 49
Unit 9 52
Text A Yawning is contagious 52
Text B The origin of the word“sandwich” 54
Unit 10 58
Text A The story of the ice cream 58
Text B A story about the tea 60
Unit 11 64
Text A Two happy men 64
Text B The kind waitress 68
Unit 12 73
Text A A coincidence 73
Text B Narrow escape 76
Unit 13 79
Text A Dish soap for dinner 79
Text B Traffic accidents in Britain 82
Unit 14 86
Text A Losing weight 86
Text B The love letters 89
Unit 15 94
Text A Skating or swimming？ 94
Text B The travel of the American people 97
Unit 16 101
Text A “If I know it earlier...” 101
Text B Travel 104
Unit 17 108
Text A The gardener 108
Text B A forgetful scientist 111
Unit 18 116
Text A Where to live？ 116
Text B A trick 119
Unit 19 123
Text A I’ll save all of my electricity 123
Text B Who pays？ 126
Unit 20 130
Text A Teenagers need friends 130
Text B The use of“cool” 134
Unit 21 137
Text A Time zones 137
Text B Language and brain 140
Unit 22 143
Text A How to have a good memory 143
Text B The sun and the earth 147
Unit 23 150
Text A Four long minutes 150
Text B I ran for everybody 154
Unit 24 160
Text A The Football Association Cup of England 160
Text B The story of Mickey 163
Unit 25 167
Text A Who is Pershing？ 167
Text B A clever boy 170
Unit 26 174
Text A Watching TV 174
Text B The computer 177
Unit 27 181
Text A Green plants and deserts 181
Text B A wise teacher 184
Unit 28 187
Text A Here is the only shade 187
Text B A good excuse 190
Unit 29 194
Text A A great tragic accident 194
Text B Lost and found 197
Unit 30 203
Text A An unexpected help 203
Text B They are all here in my hand 206
Key to the exercises(练习答案) 210