大学英语精练 3PDF电子书下载

Unit 1 Universal Love 1

Unit 2 Health and Health Related Problems 25

Unit 3 Ways of Education and Its Aims 48

Unit 4 Famous Symbols of Culture and Others 74

Unit 5 Respect for the Noble Souls and Their Voice 99

Unit 6 Earthquakes and Other Disasters 124

Unit 7 Influential People and Their Contributions 149

Unit 8 Genes,Genetic Engineering and Cloning 174

Unit 9 Can Prenups Guarantee Everything? 200

Unit 10 Acquaintances,Friends and Friendship 222

Key to Exercises 247

Acknowledgmentss 264

后记 265