Unit 1 Great scientists 1
Unit 1-1 Warming Up 1
Unit 1-2 Reading 5
Unit 1-3 Learning about Language 10
Unit 1-4 Using Language 15
Unit 1-5单元测试 19
Unit 2 The United Kingdom 27
Unit 2-1 Warming Up 27
Unit 2-2 Reading 31
Unit 2-3 Learning about Language 35
Unit 2-4 Using Language 40
Unit 2-5单元测试 44
Unit 3 Life in the future 51
Unit 3-1 Warming Up 51
Unit 3-2 Reading 55
Unit 3-3 Learning about Language 60
Unit 3-4 Using Language 64
Unit 3-5单元测试 69
Unit 4 Making the news 75
Unit 4-1 Warming Up 75
Unit 4-2 Reading 79
Unit 4-3 Learning about Language 83
Unit 4-4 Using Language 88
Unit 4-5单元测试 92
Unit 5 First aid 99
Unit 5-1 Warming Up 99
Unit 5-2 Reading 102
Unit 5-3 Learning about Language 107
Unit 5-4 Using Language 113
Unit 5-5单元测试 116
综合测试卷 123