Unit One Diversity of People in the World
Unit Two Holidays and Festivals
Unit Three Friends and Friendship
Unit Four The Olympic Games
Unit Five Pets and Lovely Animals,
Unit Six Media
Unit Seven Traffic and Transportation
Unit Eight Tourism
Unit Nine Earth and Environment
Unit Ten Music
Unit Eleven Education
Unit Twelve Clothing and Fashion
Unit Thirteen Entertainment
Unit Fourteen Food
Unit Fifteen Weapons and Wars
Unit Sixteen Military Thinking and Institution
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