目录：
Unit 1 Healthy eating and drinking
Unit 2 I can
Unit 3 Fruits
Unit 4 Subjects
Unit 5 Numbers around us
Unit 6 My school
Unit 7 Helping
Unit 8 Playing sports
Unit 9 Our teachers and classmates
Unit 10 Following rules
Unit 11 Sports
Unit 12 Revision
Words in each unit
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