参考答案

正确答案：C
Advertisinginformsconsumersabouttheexistenceandbenefitsofproductsandsewicesandattemptstopersuadethemtobuythem.(22)Thebestformofadvertisingisprobablyword-of-mouthadvertisingwhichoccurswhenpeopletelltheirfriendsaboutthebenefitsofproductsorservicesthattheyhavepurchased.Yetvirtuallynoprovidersofgoodsorservicesrelyonthisalone，butusepaidadvertisinginstead.(23)IndeedManyrganizationsalsouseinstitutionalorprestigeadvertisingwhichisdesignedtobuilduptheirreputationratherthantosellparticularproducts.(24)Althouaniescouldeasilysetuptheirownadvertisingdepartments，writetheirownadvertisementsandbuymediaspacethemselves，theytendtousetheservicesofadvertising_agencies.Thesearelikelytohavemoreresourcesandmoreknowledgeaboutallaspectsofadvertisingandadvertisingmediathansinglecompany.Itisalsoeasierforadissatisfiedcompanytogiveitsaccounttoanotheragencythanitwouldbetofireitsownadvertisingstaff.Theclientcompanygenerallygivestheadvertisingagencyanagreedbudget，astatementoftheobjectivesoftheadvertisingcampaignknownasabriefandanoveralladvertisingstrategyconcerningthemessagetobecommunicatedtothetargetcustomers.Theagencycreatesadvertisementsanddevelopsamediaplan，specifyingwhichmediawillbeusedandinwhichproportions.(25)Agenciesoftenproducealternativeadsorcommercialsthatarepretestedinnewspapers，televisionstations，etc.，indifferentpartsofthecountrybeforeafinalchoiceismadepriortoanationalcamoalgn.未听先知：预览四道题各选项，第22题中反复出现了advertising一词，第24题选项中也出现了advertising，ads，commercials等词，可以猜测文章内容与广告行业有关。Whatisprobablythebestformofadvertisingaccordingtothespeaker?C.。详解：选项均为名词短语，A.、B.、C.三个选项描述的都是广告类型，D.虽然没有出现advertising一词，但“分发免费试用品”也是广告推销的一种形式，可以判定本题考查内容与广告形式有关。短文开头处提到，最好的广告形式就是臼口相传，也就是人们会把自己认为不错的产品或服务推荐给朋友。