·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.

somE CompAniEs ArE invEsting in plAnning AnD rEsEArCh to A．EnCourAgE thE usE oF pop. B．Cut thE Costs oF pop. C．AssEss thE BEnEFits oF pop.