AMERICAN TOPICS A READING-VOCABULARY TEXT FOR SPEAKERS OF ENGLISH AS A SCECOND LANGUAGE
ROBERT C.LUGTON2222 年出版250 页ISBN：
BARRON'S HOW TO PREPARE FOR THE TOEFL TEST OF ENGLISH AS A FOREIGN LANGUAGE
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READER'S CHOICE A READING SKILLS TEXTBOOK FOR STUDENTS OF ENGLISH AS A SECOND LANGUAGE
E.MARGARET BAUDOIN1977 年出版277 页ISBN：0472081004
TWICE AS LESS:BLACK ENGLISH AND THE PERFORMANCE OF BLACK STUDENTS IN MATHEMATICS AND SCIENCE
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BARRON'S HOW TO PREPARE FOR THE TOEFL TEST OF ENGLISH AS A FOREIGN LANGUAGE
PAMELA J.SHARPE1979 年出版302 页ISBN：0812021150
