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第一节 语音知识（共5小题；每小题1分，满分5分）

1. worked         A. learned     B. studied      C noticed        D. occurred

2. bank      A. uncle       B. condition          C. wonder         D. continent

3.satisfy     A. affair       B. ache        C. alarm        D. absence

4.hear       A. nearly      B. search        C. bear          D. heart

5. biology    A. cover       B. official     C. concert       D. tomb