Unit 1
Text：A Victim
Dialogue
Grammar：过去进行时
Exercises
Passage Reading
Unit 2
Text：World Records
Dialogue
Grammar：形容词和副词的比较级和最高级
Exercises
Passage Reading
Unit 3
Text：Setting a Trap
Dialogue
Grammar：过去完成时；不定式
Exercises
Passage Reading
Unit 4
Text：The Great Pyramid
Dialogue
Grammar：被动语态
Exercises
Passage Reading
Unit 5
Text：Victor's Hobby
Dialogue
Grammar：定语从句（一）
Exereises
Passage Reading
Unit 6
Text：Trains under the Christmas Tree
Dialogue
Grammar：定语从句（二）；感叹句
Exercises
Passage Reading
Unit 7
Text：Why the Doctor Was Late
Dialogue
Grammar：名词从句（一）
Exercises
Passage Reading
Unit 8
Text：Learning to Read-in College
Dialogue
Grammar：名词从句（二）
Exercises
Passage Reading
Unit 9
Text：Doing Favours Can Be Dangerous
