· you will hEAr A DisCussion.
· For EACh quEstion 23- 30 mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rElAy thE rECorDing.

thE proDuCtion EnginEEring DEpArtmEnt hAs A totAl workForCE oF ______.A．

A、100.

B．

B、600.

C．

C、800.