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　　I. Phonetics (10 Points)

　　Directions:

　　In each of the following groups of words, there are four underlined letter combinations marked A, B, C and D. Compare the underlined parts and identify the one that is different from the others in pronunciation. Mark your answer by blackening the corresponding letter on the Answer Sheet.

　　1. A. height B. hopefully C. honest D. housing

　　2. A. generation B. mention C. memory D. metallic

　　3. A. persuaded B. happened C. treated D. wounded

　　4. A. shout B. touch C. announce D. about

　　5. A. excuse B. exercise C. explain D. extremely

　　6. A. medium B. western C. Mediterranean D. revolution

　　7. A. castle B. vast C. waste D. fasten

　　8. A. disappear B. fear C. year D. pear

　　9. A. doubt B. sound C. famous D. found

　　10. A. correct B. discover C. comfort D. come

　　II. Vocabulary and Structure (40 points)