懒人背单词 第3册 四级词汇版PDF电子书下载

Unit 1 Myths and Legends 5

Unit 2 Manners 13

Unit 3 Leisure Activities 19

Unit 4 Science and Technology 28

Unit 5 The Power of Words 37

Unit 6 Success 45

Unit 7 Athletes 53

Unit 8 Healthy Living 60

Unit 9 Friends and Friendship 69

Unit 10 Business Strategies 77

Unit 11 Heros 84

Unit 12 Public Speaking 92