·you will hEAr A tAlk prEsEntED By A rEportEr ABout high-tECh mArkEt in thE worlD、·For EACh quEstion 23—30 mArk onE lEttErA,
B、orC、For thE CorrECt AnswEr.·AFtEr you hAvE listEnED onCE, rEplAy thE rECorDing. smAll CountriEs usE Export to rEAlizE thE EConomiCs oF sCAlE thAt is vEry ______.
A、

A、EAsy

B、

B、DiFFiCult

C、

C、no usE