Unit 1 College Life
Passage 1 An Eventful 40-year Journey， for Gaokao
Passage 2 Freshmen， Stress and Relationships
Passage 3 Grad Finds Pen Power
Passage 4 Summer Not Season to Be Lazy
Passage 5 Bringing Best Brains to Rural Schools
Unit 2 Technology and Innovation
Passage 1 Wired for Distraction： Kids and Social Media
Passage 2 Google Car's Computer Got Smarter in 2015
Passage 3 Recovering Memory：Can a New Device Help Amnesia Patients？
Passage 4 China's Great(Quantum) Leap Forward
Passage 5 Trouble Beneath the Ice
Unit 3 Society and Culture
Passage 1 Parenting as the Dutch
Passage 2 Do Students Lose Depth in Digital Reading？
Passage 3 The Danger of Having Too Many Experts
Passage 4 Can Technology Help Fashion Clean up Its Act？
Passage 5 Britain's Paper Tigers
Unit 4 Environment and Climate
Passage 1 Blooming Horrible
Passage 2 Hurricanes and Human Choice
Passage 3 Plastic Fishing in the Southern Ocean
Passage 4 Self-serving Stewardship： How Manufacturers Help the Planet
Passage 5 Insecticide \
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