单选题 This example______the language teacher's responsibility to push beyond the limits of the drill and to add to knowledge.
【正确答案】 A
【答案解析】解析:underline vt.(本义)在……下面画线;(引申)强调。stress vt.(以人作主语)强调,着重。value vt.(以人作主语)尊重,重视:评价,给……估价。treasure vt.珍视,珍爱