Preface

Unit 1 Computers and Network

  Part l Listeningfor technology

  Part II Reading for exploration

  Passage A Wearable Computers Will Transform Language

  Passage B Network Security

  Part III Watching for discussion

  Part IV Testing for consolidation

Unit 2 Automation and Robotics

  Part I Listening for technology

  Part II Reading for exploration

  Passage A The Function and ELS Issues of a Robot

  Passage B Dyson's Robot Vacuum Has 360-Degree Camera, Tank Treads,

  Cyclone Suction

  Part Ill Watching for Discussion

  Part IV Testing for consoliclation

Unit 3 Energy

  Part I Listening foe technology

  Part II Reacling for exploration

  Passage A Capturing Value in Global Gas: Prepare Now for anUncertain Future

  Passage B Fact or Fiction: Energy Can Neither Be Created Nor Destroyed?

  Part III Watching for cliscussion

  Part IV Testing for consoliclation

Unit 4 Environmental Science

  Part I Listening for technology

  Part II Reading for exploration

  Passage A The Best Way to Deal With Ocean Trash

  Passage B Tropical Forests May Not Combat Climate Change

  Part III Watching for cliscussion

  Part IV Testing for consolidation

Unit 5 Material Engineering

  Part I Listening for technology

  Part II Reading for exploration

  Passage A "Miracle Material" Graphene One Step Closer to Commercial Use

  Passage B Laser-Generated Surface Structures Create Extremely Water-

  Repellent Metals

  Part III Watching for discussion

  Part IV Testing for consolidation

Unit 6 Civil Engineering

  Part I Listenin0 for technology

  Part II Reading for exploration

  Passage A The Business Case for Smart Building Technology

  Passage B Speedy Analysis of Steel Fiber Reinforced Concrete

  Part III Watching for discussion

  Part IV Testing for consolidation

Unit 7 Communication Technology

  Part I Listening for technology

  Part II Reading for exploration

  Passage A Generations of Mobile Wireless Communication Networks

  Passage B Wireless Companies Put up More "Stealth" Towers

  Part III Watching for discussion

  Part IV Testing for consolidation

Unit 8 Optimizing Health

  Part I Listening for technology

  Part II Reacling for exploration

  Passage A The World Is Richer, Fatter, and Not Much Happier

  Passage B The Science of Sleep

  Part III Watching for cliscussion

  Part IV Testing for consolidation

Appendix Reference answer