大学英语自学教程 上 一课一练PDF电子书下载

Unit 1 How to Be a Successful Language Learner? 1

Unit 2 Taxes,Taxes,and More Taxes 8

Unit 3 The Atlantic Ocean 15

Unit 4 Improving Your Memory 22

Unit 5 Fallacies about Food 28

Unit 6 Diamonds 35

Unit 7 Families 42

Unit 8 Telecommunication via Satellite 49

Unit 9 Learned Words and Popular Words 56

Unit 10 Scientific Attitudes 62

Unit 11 The Great American Garage Sale 68

Unit 12 How Dictionaries Are Made 74

Unit 13 Insurance 81

Unit 14 The Importance of Being Kind and Polite 87

Unit 15 How TV Violence Affects Kids 94

Unit 16 Heart Disease：Treat or Prevent? 101

Unit 17 Panic and Its Effects 108

Unit 18 Why Are Maps Drawn with North at the Top? 115

Unit 19 Animals at Risk：Who Cares? 122

Unit 20 You Can't Do It Because It Hurts Nobody 128

Unit 21 The Language of Uncertainty 135

Unit 22 Current Attitudes toward Physical Fitness 142

Unit 23 Non-verbal Communication 149

Unit 24 Saving the Rainforests for Future Generations 156

Unit 25 American Men Don't Cry 163

Appendix Key to Exercises 170