Unit 1 Cultural relics Period 1 Warming up and reading Period 2 Discovering useful structures Period 3 Using language Period 4 Exercises Unit 2 The Olympic Games Period 1 Warming up and reading Period 2 Discovering useful structures Period 3 Using language Period 4 Exercises Unit 3 Computers Period 1 Warming up and reading Period 2 Discovering useful structures Period 3 Using language Period 4 Exercises Unit 4 Wildlife protection Period 1 Warming up and reading Period 2 Discovering useful structures Period 3 Using language Period 4 Exercises Unit 5 Music Period 1 Warming up and reading Period 2 Discovering useful structures Period 3 Using language Period 4 Exercises 参考答案
以下为对购买帮助不大的评价