· you will hEAr pArt oF A rADio progrAmmE in whiCh two BusinEsspEoplE - A womAn CAllED hEAthEr AnD A mAn CAllEDAlAn - ArE intErviEwED By A prEsEntEr CAllED sArAh.
· For EACh quEstion 23-30, mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy thE rECorDing.

whEn Choosing A moBilE phonE, thE most importAnt FACtor is thEA．

A、mEssAgE sErviCE.

B．

B、sizE AnD wEight.

C．

C、BAttEry liFE.