listEning 3 "gEologyClAss"
{$mEDiAurl}
whAt DoEs thE proFEssor imply ABout thE EnvironmEntAl Costs oF minErAl ExploitAtion
A、hE thinks thAt thE EnvironmEntAl Costs ArE lEss thAn thE EConomiC Costs.
B、hE rEgrEts thAt thE EnvironmEnt is DAmAgED During minErAl ExploitAtion.
C、hE opposEs minErAl ExploitAtion whEn it is DonE ClosE to urBAn ArEAs.
D、hE BEliEvEs in Exploiting thE rEsourCEs in nAtionAl pArks AnD historiC rEsErvEs.