Preface
Unit 1 Computers and Network 1
Part I Listening for technology 1
Part II Reading for exploration 2
Passage A The New Old Thing 2
Passage B Network Security 10
Part III Watching for discussion 15
Part IV Testing for consolidation 17
Unit 2 Automation and Robotics 19
Part I Listening for technology 19
Part II Reading for exploration 20
Passage A The Function and ELS Issues of a Robot 20
Passage B Dyson’s Robot Vacuum Has 360-Degree Camera, Tank Treads,
Cyclone Suction 27
Part III Watching for discussion 32
Part IV Testing for consolidation 33
Unit 3 Energy 36
Part I Listening for technology 36
Part II Reading for exploration 37
Passage A Capturing Value in Global Gas: Prepare Now for an Uncertain Future 37
Passage B Fact or Fiction: Energy Can Neither Be Created Nor Destroyed？ 43
Part III Watching for discussion 46
Part IV Testing for consolidation 48
Unit 4 Environmental Science 50
Part I Listening for technology 50
Part II Reading for exploration 51
Passage A What Do We Know about Wildfires and Climate Change 51
Passage B Tropical Forests May Not Combat Climate Change 60
Part III Watching for discussion 64
Part IV Testing for consolidation 65
Unit 5 Materials Engineering 67
Part I Listening for technology 67
Part II Reading for exploration 68
Passage A “Miracle Material” Graphene One Step Closer to Commercial Use 68
Passage B Laser-Generated Surface Structures Create Extremely Water-
Repellent Metals 75
Part III Watching for discussion 79
Part IV Testing for consolidation 80
Unit 6 Civil Engineering 82
Part I Listening for technology 82
Part II Reading for exploration 83
Passage A The Business Case for Smart Building Technology 83
Passage B Speedy Analysis of Steel Fiber Reinforced Concrete 91
Part III Watching for discussion 94
Part IV Testing for consolidation 96
Unit 7 Communication Technology 98
Part I Listening for technology 98
Part II Reading for exploration 99
Passage A Alexa, What Are You Doing with My Family's Personal Info? 99
Passage B Wireless Companies Put up More “Stealth” Towers 106
Part III Watching for discussion 110
Part IV Testing for consolidation 111
Unit 8 Optimizing Health 113
Part I Listening for technology 113
Part II Reading for exploration 114
Passage A The World Is Richer, Fatter, and Not Much Happier 114
Passage B The Science of Sleep 122
Part III Watching for discussion 127
Part IV Testing for consolidation 129
Appendix Reference Answer 131
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