UNIT ONE A Shortage of Teachers
UNIT TWO Women in the World
UNIT THREE Globalization
UNIT FOUR Environment
UNIT FIVE Stress
UNIT SIX Robots Rising
UNIT SEVEN Counter.Terrorism
UNIT EIGHT Cyber War(I)
UNIT NINE Cyber War(II)
UNIT TEN Cyberspace
UNIT ELEVEN Space Science and Technology
UNIT TWELVE Food and Agriculture
UNIT THIRTEEN Social Problems
UNIT FOURTEEN Food and Health
UNIT FIFTEEN Sports and Economy
UNIT SIXTEEN Road to White House——US Presidential Campaign
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