1.They were lost at sea at the ___________ of wind and weather.
A. mess B. mercy
C. moment D. mixture
【答案】B
【解析】
【详解】考查名词。句意：他们在大海中迷失了方向，任由风和天气的摆布。A. mess混乱；B. mercy仁慈，摆布；C. moment时刻；D. mixture混合物。本句为短语at the mercy of 由…摆布，故选B。
2.Most people said that pay was their main ______________ for working.
A. movement B. mention
C. method D. motivation
【答案】D
【解析】
【详解】考查名词词义辨析。句意：大多数人说他们工作的主要动力就是工资。A. movement运动；B. mention提及；C. method方法；D. motivation动机。根据句意可知，工作是为了薪水，故选D。
