Introduction to Important Reading Strategies and SkillsUnit One Education (1)　Text A Foreign Students at U.S. Colleges Have Several Ways to Get Financial Aid　Text B Learning in the United StatesUnit Two Education (2)　Text A Modern Elementary Schools　Text B New Family Learning CentersUnit Three Emotion　Text A Encouraging Words　Text B Dance with MeUnit Four Outdoor Adventure and Tourist Attractions　Text A An Exciting Way to Visit the Wilderness　Text B Sydney Opera HouseUnit Five Memorable Days and Holidays　Text A History of Mother's Day　Text B Holidays in EnglandUnit Six Animals　Text A Sea Lion Scores Top Marks in Memory Test　Text B Better Than Its BiteUnit Seven Enterprises and Economy　Text A Walt Disney Company　Text B April 1 5th: An Important Day for AmericansUnit Eight Science　Text A Hooked on the Net　Text B Baby TalkUnit Nine Family Life　Text A New Family　Text B Family Life in EgyptUnit Ten Social Issues　Text A An Imminent Global Crisis　Text B The Road to Olympic SuccessUnit Eleven People　Text A The Best Time of My Life　Text B Alan M. Turing: The EnigmaUnit Twelve Health　Text A World Tuberculosis Day　Text B Looking at Health Care in the United StatesUnit Thirteen Habits and Hobbies　Text A Back Seat Learners　Text B Depressing News for DiaristsUnit Fourteen Mysteries and Explorations　Text A Astronauts　Text B The Bermuda TriangleUnit Fifteen Psychology　Text A Understand the Causes of Depression　Text B Know the Signs of SadnessUnit Sixteen Eating　Text A Enjoy Your Food　Text B Eating Custom and PracticeUnit Seventeen How People Differ　Text A Body Language　Text B CharacterUnit Eighteen Life Science and Astronomy　Text A What if We Are All Space Aliens?　Text B Space Impacts and the Origin of the MoonAnswer Key