{{B}}pArt onE{{/B}}
· For quEstions 1-8, you will hEAr Eight short rECorDings.
· For EACh quEstion, mArk onE lEttErA,B、orC、For tilE CorrECt AnswEr.
· you will hEAr thE Eight rECorDings twiCE.

whAt is thE rECommEnDED stoCk oF CoAlA．

A、115 tons.

B．

B、45 tons.

C．

C、70 tons.