Unit 1 What's the matter? 1
单元知识梳理 1
重点知识详解 2
思维能力拓展 7
Unit 2 I'll help to clean up the city parks. 9
单元知识梳理 9
重点知识详解 10
思维能力拓展 14
Unit 3 Could you please clean your room? 17
单元知识梳理 17
重点知识详解 18
思维能力拓展 22
Unit 4 Why don't you talk to your parents? 24
单元知识梳理 24
重点知识详解 25
思维能力拓展 29
Unit 5 What were you doing when the rainstorm came? 31
单元知识梳理 31
重点知识详解 32
思维能力拓展 38
Unit 6 An old man tried to move the mountains. 40
单元知识梳理 40
重点知识详解 41
思维能力拓展 45
Unit 7 What's the highest mountain in the world? 47
单元知识梳理 47
重点知识详解 48
思维能力拓展 52
Unit 8 Have you read Treasure Island vet? 54
单元知识梳理 54
重点知识详解 55
思维能力拓展 60
Unit 9 Have you ever been to a museum? 62
单元知识梳理 62
重点知识详解 63
思维能力拓展 67
Unit 10 I've had this bike for three years. 69
单元知识梳理 69
重点知识详解 70
思维能力拓展 74