中国期货业协会在对期货业从业人员的自律管理中负责（）。
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听下面一段材料，回答 17～20 题。
第 17 题 What does the speaker do most probably？
What is the probable result of the conversation？
Which of the following is NOT right according to the passage？
根据下列材料请回答 72～75 题：
第 72 题 It is mentioned in the passage that one has to pay tax according to＿＿＿.
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