2015年12月英语六级听力答案：第一套短文3（沪江网版）

英语自学网

Passage3
        Q22. A. Word-of-mouth advertising.
        Q23. D. To build up their reputation.
        Q24. D. By using the services of large advertising agencies.
        Q25. C. Pre-test alternative ads or commercials in certain regions.
       

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