{{B}}quEstions 23-30{{/B}}
·you will hEAr A ConvErsAtion ABout quAlity Control.
·For EACh quEstion (23-30), mArk onE lEttErA,B、orC、For thE CorrECt AnswEr.
·AFtEr you hAvE listEnED onCE, rEplAy thE rECorDing.

how to ChECk thE tAstE A．By EAting thEm. By EAting thEm AnD Doing ChEmiCAl AnAlysis． C．By Doing ChEmiCAl AnAlysis