【题目】She enjoyed the excitement of her work. Money was not her only _____________.
A. breakthrough B. performance
C. career D. motivation
在线课程【答案】D
【解析】
考查名词词义辨析。句意：她很享受工作时的兴奋感。钱不是她唯一的动力。根据前面提到的excitement可知，该空指的是动力。A. breakthrough 突破； B. performance表演；C. career 事业； D. motivation动力。故选D。