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Unit 1 I love nature!
　　Lesson 1 What do you see？
　　Lesson 2 The rainbow
　　Lesson 3 Story：The sun and the wind
　　Lesson 4 We need all of them.
　　Again，please！
Unit 2 Weather
　　Lesson 1 How's the weather today?
　　Lesson 2 Weather and clothes
　　Lesson 3 Story：A rainy day
　　Lesson 4 So much weather in a day
　　Again, please!
Unit 3 Seasons
　　Lesson 1 Four seasons
　　Lesson 2 Seasons and months
　　Lesson 3 Story：Thanks for the four seasons!
　　Lesson 4 I like all the seasons!
　　Again, please!
Unit 4 Festivals and holidays
　　Lesson 1 When is it?
　　Lesson 2 I love all festivals!
　　Lesson 3 Story：Animal years
　　Lesson 4 Happy Children's Day
　　Again, please!
Unit 5 My community
　　Lesson 1 Places in my community
　　Lesson 2 How can we get there?
　　Lesson 3 Story：Take good care of the community!
　　Lesson 4 I love my community!
　　Again, please!
Unit 6 Safety first
　　Lesson 1 How do you come to school?
　　Lesson 2 The traffic lights
　　Lesson 3 Story: Be safe on the way
　　Lesson 4 Traffic rules
　　Again, please!