ORGANIC CHEMISTRY A BRIEF INTRODUCTORY COURSE
JAMES BRYANT CONANT1928 年出版291 页ISBN:
Longman introductory course for the TOEFL test
Deborah Phillips著2003 年出版550 页ISBN:7310018443
MICROSOFT OFFICE INTRODUCTORY CONCEPTS AND TECHNIQUES COURSE ONE
1995 年出版936 页ISBN:0877098611
LONGMAN PREPARATION SERIES FOR THE NEW TOEIC TEST:INTRODUCTORY COURSE
LIN LOUGHEED编著2008 年出版383 页ISBN: