Unit 01 Abandoned and Ruined “Big Houses”
Unit 02 Slavery in the United States
Unit 03 Normal and Abnormal Intestinal Absorption by Humans
Unit 04 Professor
Unit 05 How to Manage Your Time
Unit 06 Amie Schaefer
Unit 07 Life of Pi
Unit 08 Toy Story
Unit 09 Ambulance
Unit 10 History of Basketball
Unit 11 Amelia Earhart at Childhood (1)
Unit 12 Amelia Earhart in Youth (2)
Unit 13 Amelia Earhart-Famous Female Aviator (3)
Unit 14 Amelia Earhart-Famous Female Aviator (4)
Unit 15 Carnival
Unit 16 Great Depression
Unit 17 Arithmetic
Unit 18 Boston Bombing Suspect Charged
Unit 19 Dimension
Unit 20 Alien
Unit 21 Arch Bridge
Unit 22 The Efficient Level of Pollution and the Coase Theorem (1)
Unit 23 The Efficient Level of Pollution and the Coase Theorem (2)
Unit 24 The History of Human Evolution
Unit 25 Antelope
Unit 26 Import-Export Taxes and Duties in China
Unit 27 Obama’s Euro-Crisis Lecture
Unit 28 Dunkirk in World War II
Unit 29 Close Striking Assault-Martial Arts
Unit 30 Antique
Unit 31 Oscar Pistorius Awarded Bail
Unit 32 Manuel Gonzales with Big Imagination (1)
Unit 33 Manuel Gonzales with Big Imagination (2)
Unit 34 Nobel Laureate Mo Yan (1)
Unit 35 Nobel Laureate Mo Yan (2)
Unit 36 5.12 Sichuan Earthquake
Unit 37 What Causes Allergies?
Unit 38 Blue Whale
Unit 39 Types of Volcanic Eruptions
Unit 40 Evaluation of the Elderly Patient
Unit 41 Amateur vs. Professional Boxing
Unit 42 Surgeon
Unit 43 Mammals
Unit 44 Calendar Types:Solar, Lunar and Lunisolar Calendars
Keys to the Exercises
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