2010年職稱英語(yǔ)理工類A級(jí)每日一練（5.1）

1. She was a puzzle.
    A. girl
    B. woman
    C. problem
    D. mystery
    2. Her speciality is heart surgery.
    A. region
    B. site
    C. field
    D. platform
    參考答案：1. D 2. C