目录 1
Unit 1A Wonderful Season 1
第一单元美好的季节 1
Lesson 1Let's Get Started! 1
Lesson 2A Wonderful Season 3
Lesson 3Language Focus 6
Lesson 4Let's Practice 9
Unit 2Festivals in Spring 12
第二单元春天的季节 12
Lesson 1Let's Get Started! 12
Lesson 2Festivals in spring 14
Lesson 3Language Focus 18
Lesson 4Let's Practice 21
Unit 3Susan's Birthday 24
第三单元苏珊的生日 24
Lesson 1Let's Get Started! 24
Lesson 2Susan's Birthday 26
Lesson 3Language Focus 29
Lesson 4Let's Practice 32
Unit 4Review Project 36
第四单元复习和计划 36
Review 1 36
Review 2 38
Project:Special Event 40
Lesson 1Let's Get Started! 43
第五单元衣如其人 43
Unit 5You Are What You Wear 43
Lesson 2You Are What You Wear 46
Lesson 3Language Focus 48
Lesson 4Let's Practice 51
Unit 6Ways to Eat 55
第六单元用餐方式 55
Lesson 1Let's Get Started! 55
Leson 2Ways to Eat 58
Lesson 3Language Focus 61
Lesson 4Let's Practice 64
Unit 7Music and Culture 67
第七单元音乐和文化 67
Lesson 1Let's Get Started! 67
Lesson 2Music and Culture 70
Lesson 3Language Focus 73
Lesson 4Let's Practice 76
Review 1 80
第八单元复习和计划 80
Unit 8Review Project 80
Review 2 82
Project:Describing Animals 85
Unit 9Recycle Your Paper 88
第九单元回收你的纸 88
Lesson 1Let's Get Started! 88
Lesson 2Recycle Your Paper 91
Lesson 3Language Focus 94
Lesson 4Let's Practice 96
第十单元地球日 100
Lesson 1Let's Get Started! 100
Unit 10Earth Day 100
Lesson 2Earth Day 103
Lesson 3Language Focus 109
Lesson 4Let's Practice 111
第十一单元保护水资源 114
Lesson 1Let's Get Started! 114
Unit 11 Conserving Water 114
Lesson 2Conserving Water 116
Lesson 3Language Focus 120
Lesson 4Let's Practice 123
Unit 12Review Project 126
第十二单元复习和计划 126
Review 1 126
Review 2 128
Project:Earth Day Event Ideas 129