大学英语教程 Book Two APDF电子书下载

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CONTENTSUnit Ⅰ MACHINES AND THEMODERN WORLDLesson One Machines in the City 1

Lesson Two Machines on the Farm 15

Lesson Three The Ultimate Machine：TheElectronic Computer 26

Unit Ⅱ TRANSPORTATIONLesson Four America on Wheels 39

Lesson Five BART：An Automated Answer tothe Problems of Urban Transpor-tation 56

Lesson Six Airplanes：Yesterday，Today，andTomorrow 74

Lesson Seven Travel in Space：To the Moonand Beyond 90

Unit Ⅲ COMMUNICATIONLesson Eight Television：The Modern Wonderof Electronics 106

Lesson Nine The Telephone of Today—andTomorrow 122

Lesson Ten Communications Satellites 138

Unit Ⅳ BREAKTHROUGHSIN MEDICINELesson Eleven The Search for New Drugs 151

Lesson Twelve The Heart Laid Open：Open-HeartSurgery 166

Lesson Thirteen The Shape of Things to Come：The New Doctor 182

Unit Ⅴ OUR CHANGINGLANDSCAPELesson Fourteen The Land and Its’Limits 198

Lesson Fifteen Urban Renewal or SuburbanSprawl? 216

Lesson Sixteen Planned Cities 230

Lesson Seventeen Tokyo Goes Underground 245

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