多维教程 熟谙 教师用书PDF电子书下载

Unit One From Competence to Commitment 1

Unit Ttwo Family Business： the Next Generation 24

Unit Three An American Love Affair 51

Unit FOur The No-child Family： Going Against100，000 Years of Biology 71

Unit f ive Sandwich Generation 97

Unit Six Getting Along with Nature 116

Unit Seven The Virtues of Ambition 143

Unit Eight The Harm That Good Men Do 170

Unit Nine Let the Computers Be the Bureaucrats 203

Unit Ten Animal Research Is Vital to Medicine 224

Unit Eleven Should English Be the Law？ 248

Unit Twelve Rich North， Hungry South 277