Unit 1 World News: Internation
Unit 2 World News: Earth and E
Unit 3 World News:Economic Dev
Unit 4 World News: Up in Space
Unit 5 New Explorations in Foo
Unit 6 Breakthroughs in Scienc
Unit 7 Future of Communication
Unit 8 New Ideas, New Architec
Unit 9 Ways to Travel
Unit 10 Love and Hate of Oil
Unit 11 A Fast Growing Economy
Unit 12 Review
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