作品目錄
Unit 1 Teachers''DayUnit 2 The sports meeting
Unit 3 A good teacher
Unit 4 What were they doing?
Unit 5 The accident
Unit 6 In the library
Unit 7 Mainly revision
Unit 8 On the farm
Unit 9 A visit to a factory
Unit 10 Mr Green''s problem
Unit 11 A great inventor
Unit 12 Have a good time,Jim!
Unit 13 Merry Christmas!
Unit 14 Mainly revision
Unit 15 At home with the twins
Unit 16 What''s it made of?
Unit 17 What was it used for?
Unit 18 Planting trees
Unit 19 Mainly revision
Unit 20 The world''s population
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