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Unit 1 A family outing Unit 2 Some stories are more interesting Unit 3 We should learn to take care of ourselves Let's Know More Assessment Ⅰ Unit 4 Planting trees is good for us Unit 5 Our earth looks like this in space. Unit 6 Anne wanted to dance Let's Know More Assessment Ⅱ Unit 7 I'm not afraid! Unit 8 International Children's Day Unit 9 Look at these beautiful places in the world Let's Know More Assessment Ⅲ
