Unit 1 Great scientistsSection Ⅰ Warming up ＆ Reading 1
Section Ⅱ Structure ＆ Using language 6
Section Ⅲ Workbook 9
单元评估 11
Unit 2 The United KingdomSection Ⅰ Warming up ＆ Reading 17
Section Ⅱ Structure ＆ Using language 22
Section Ⅲ Workbook 27
单元评估 28
Unit 3 Life in the futureSection Ⅰ Warming up ＆ Reading 36
Section Ⅱ Structure ＆ Using language 39
Section Ⅲ Workbook 42
单元评估 45
Unit 4 Making the newsSection Ⅰ Warming up ＆ Reading 52
Section Ⅱ Structure ＆ Using language 59
Section Ⅲ Workbook 62
单元评估 64
Unit 5 First aidSection Ⅰ Warming up ＆ Reading 71
Section Ⅱ Structure ＆ Using language 74
Section Ⅲ Workbook 77
单元评估 80
模块检测 87
参考答案 94