题目

听下面一段较长对话，回答以下小题。【1】What does the restaurant require its guests to wear?A. A coat. B. A necklace. C. A jacket and a tie.【2】How many persons will be there for the conference?A. 15. B. 20. C. 50.【3】What time will the conference begin at last?A. At 9:00 a. m. B. At 9:30 a. m. C. At 10:00 a. m. 答案：【答案】【1】 C 【2】 A 【3】 B 【解析】此题为听力题，解析略。【1】此题为听力题，解析略。【2】此题为听力题，解析略。【3】此题为听力题，解析略。

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