listEning 2 "gEologyClAss"
{$mEDiAurl}




why DoEs thE proFEssor sAy this:
A、to rEminD thE stuDEnts oF thE topiC For toDAy’s sEssion
B、to inDiCAtE thAt hE ExpECts thE stuDEnts to rEAD thE tExtBook
C、to EnCourAgE thE stuDEnts to pArtiCipAtE in thE DisCussion
D、to DEmonstrAtE his rEspECt For thE stuDEnts in his ClAss