【题目】The ballet dancer’s confidence built up ________ as she gained more and more experience on the stage.
A. mostly B. generally
C. sharply D. gradually
在线课程【答案】D
【解析】考查副词。A. mostly 主要地；B. generally普遍地；C. sharply急剧地；D. gradually逐渐地。句意：这位芭蕾舞演员的自信心逐渐建立了起来随着她在舞台上获得越来越多的经验。经验是逐步积累的，随之而来的自信心也是逐渐建立的，故选D。