简答题:Directions:
Suppose you are preparing for CET-6 and needing some reference books.Write an
email to the sales department of a bookstore,
1) ask for the detailed information about the books you need, and
2) express your gratitude.
You should write about 100 words on the ANSWER SHEET.
Do not sign your own name at the end of the email.Use "Li Ming" instead.(10 points)

Dear Sir or Madam,
I'm a frequent customer of your bookstore.This semesters am planning to take the CET-6 test, but I can't find a suitable vocabulary book. Thus, the purpose of of writing this letter is to ask for some information about vocabulary books for CET-6.
I would really appreciate it if you could offer me a general introduction of various types of vocabulary books available in your bookstore. It would be of great help for me to choose. And if it is convenient for you, could you please make it clear to me the prices and the possible discount of the books?