Unit 1 The Moon
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Keyto Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 2 Chinese New Year in Hong Kong
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 3 Pollution Is Spoiling the Air We Breathe
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 4 Man and the Weather
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
KeytO Exemises f参考答案)
Chinese Translation(课文参考译文)
Unit 5 Trip Through Time
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 6 The Cash-Free Society
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Keyto Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 7 Helen Keller
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 8 American English and British English
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 9 Homeless People in the USA
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
Unit 10 Airplanes
Background Knowledge(背景知识)
Detailed Notes to the Text(课文详解)
Key to Exercises(参考答案)
Chinese Translation(课文参考译文)
English Proficiency Test(1)
English Proficiency Test(2)
English Proficiency Test(3)
Key to English Proficiency Test(1)
Key to English Proficiency Test(2)
Key to English Proficiency Test(3)