Lesson One Machines in the City 1
Lesson Two Machines on the Farm 16
Lesson Three The Ultimate Machine:The Elec-tronic Computer 28
Lesson Four America on Wheels 40
Lesson Five BART:An Automated Answer to the Problems of Urban Transportation 53
Lesson Six Airplanes:Yestcrday,Today,and Tomorrow 64
Lesson Seven Travel in Space:To the Moon and Beyond 74
Lesson Eight Television:The Modern Wonder of Electronics 84
Lesson Nine The Telephone of Today—and Tomorrow 96
Lesson Ten Communications Satellites 110
Lesson Eleven The Search for New Drugs 122
Lesson Twelve The Heart Laid Open:Open-Heart Surgery 133
Lesson Thirteen The Shape of Things to Come:The New Doctor 144
Lesson Foureen The Land and Its Limits 157
Lesson Fifteen Urban Renewal or Suburban Sprawl? 172
Lesson Sixteen Planned Cities 183
Lesson Seventeen Tokyo Goes Underground 195
附录 课文参考译文 210
总词汇表 250