Unit One Hummingbirds: the \Flying Jewels\ of the Americas Unit Two True Love Unit Three The United Nations Unit Four X-Sports Unit Five Touring in London Unit Six National Parks Unit Seven Are You Too Shy to Succeed? Unit Eight British Public School Unit Nine New Exercise Goal: 6o Minutes a Day Unit Ten The Golden Gate Bridge Unit Eleven Monkey Math Unit Twelve Greener Diet Unit Thirteen Behind the Closed Door Unit Fourteen Mother's Day--the 2nd Sunday in'May Unit Fifteen The Communication Style.ofAmefiqans Unit sixteen How to Pick a Great Book Unit Seventeen Pet Talk: Seer Farms Keeps Pets ,Temp.b'rarily for Owners inCrisis Unit Eighteen The Rifle Unit Nineteen Obesity in Children Unit Twenty The Importance of Trade Unit Twenty-one High School versus College Lif UnitTwenty-two Money Unit Twenty-three How Much Babies Know Unit Twenty-four To Break Fashion Rules Unit Twenty-five Internet Generation Unit Twenty-six Getting Enough Sleep Unit Twenty-seven Working at Home: Family-friendly? Unit Twenty-eight The King of Rock and Roll