【单选题】
· you will hEAr A ConvErsAtion BEtwEEn A hEAD oF DEpArtmEnt AnD An EmployEE.
· For EACh quEstion 23-30, mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onE, rEplAy thE rECorDing.
thE BiggEst proBlEm with thE ComputEr is thAtA、it is DiFFiCult For hEr to know thE progrAm wEllB、it rEgulArly stops working.C、thE monitor is too smAll.