Lesson One

Lesson Two

Lesson Three

Lesson Four

Lesson Five

Lesson Six

Lesson Seven

Lesson Eight

Lesson Nine

Lesson Ten

Lesson Eleven

Lesson Twelve

Appendix

Ⅰ．Answers to Exercises

Ⅱ．Translation of Reading Passages

Ⅲ．Vocabulary

Ⅳ．Abbreviations