Unit One 1
Text A Putting Definiteness of Purpose to Work 1
Text B Positive Mental Attitude(PMA) 11
Unit Two 20
Text A To Live or to Die 20
Text B Indoor Plants,a Magic 31
Unit Three 40
Text A How the Americans View Love 40
Text B Star Wars—and Einstein 49
Unit Four 59
Text A Friendship 59
Text B Love Conquers All 70
Unit Five 78
Text A The World of Robots 78
Text B Computers 90
Unit Six 99
Text A Men and Women:Some Differences 99
Text B The Door Swings Open 111
References 146