目录

Unit 1A Wonderful Season

第一单元美好的季节

Lesson 1Let's Get Started!

Lesson 2A Wonderful Season

Lesson 3Language Focus

Lesson 4Let's Practice

Unit 2Festivals in Spring

第二单元春天的季节

Lesson 1Let's Get Started!

Lesson 2Festivals in spring

Lesson 3Language Focus

Lesson 4Let's Practice

Unit 3Susan's Birthday

第三单元苏珊的生日

Lesson 1Let's Get Started!

Lesson 2Susan's Birthday

Lesson 3Language Focus

Lesson 4Let's Practice

Unit 4Review Project

第四单元复习和计划

Review 1

Review 2

Project:Special Event

Lesson 1Let's Get Started!

第五单元衣如其人

Unit 5You Are What You Wear

Lesson 2You Are What You Wear

Lesson 3Language Focus

Lesson 4Let's Practice

Unit 6Ways to Eat

第六单元用餐方式

Lesson 1Let's Get Started!

Leson 2Ways to Eat

Lesson 3Language Focus

Lesson 4Let's Practice

Unit 7Music and Culture

第七单元音乐和文化

Lesson 1Let's Get Started!

Lesson 2Music and Culture

Lesson 3Language Focus

Lesson 4Let's Practice

Review 1

第八单元复习和计划

Unit 8Review Project

Review 2

Project:Describing Animals

Unit 9Recycle Your Paper

第九单元回收你的纸

Lesson 1Let's Get Started!

Lesson 2Recycle Your Paper

Lesson 3Language Focus

Lesson 4Let's Practice

第十单元地球日

Lesson 1Let's Get Started!

Unit 10Earth Day

Lesson 2Earth Day

Lesson 3Language Focus

Lesson 4Let's Practice

第十一单元保护水资源

Lesson 1Let's Get Started!

Unit 11 Conserving Water

Lesson 2Conserving Water

Lesson 3Language Focus

Lesson 4Let's Practice

Unit 12Review Project

第十二单元复习和计划

Review 1

Review 2

Project:Earth Day Event Ideas