必修3 1
Unit 1 Festivals around the world 1
Unit 2 Healthy eating 17
Unit 3 The Million Pound Bank-Note 33
Unit 4 Astronomy：the science of the stars 49
Unit 5 Canada—“The True North” 67
必修3评价 84
必俢4^ 91
Unit 1 Women of achievement 91
Unit 2 Working the land 106
Unit 3 A taste of English humour 121
Unit 4 Body language 137
Unit 5 Theme parks 154
必修4评价 171
Keys 178