·you will hEAr two pEoplE DisCussing point oF purChAsing(pop)projECts.
·For EACh quEstion 23-30 mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy EACh rECorDing.

whAt hAs mADE tv ADvErtising lEss EFFECtivE A．thE numBEr oF tv ChAnnEls hAs inCrEAsED、B．pEoplE ArE wAtChing lEss tv thEsE DAys. C．thE quAlity oF tv CommErCiAls is poor.