Unit One:The Aim of Undergraduate Education 1
Unit Two:The Style and Substance of Oxford 27
Unit Three:Adam Smith:Right and Wrong 55
Unit Four:California Desert Lands 75
Unit Five:Contemporary American Agriculture 100
Unit Six:Biotechnological Food and Medicine 122
Unit Seven:Internet's Hidden Flaws 138
Unit Eight:Information Revolution 164
Supplementary Exercises 183
English Achievement Model Test 223