高考易混词汇辨析总结（三十三）

　　161. at, in (表地点)

　　at小地点;arrive at a small village

　　in大地点 例：arrive in Shanghai

　　162. at work, in work

　　at work在工作，在上班;例：Both my parents are at work.

　　in work 有职业，有工作

　　163. increase to, increase by

　　increase to增长到

　　increase by增长了 例：The number increased by 2,000 to 5,000.

　　164. at ease, with ease

　　at ease舒适地，安逸地;

　　with ease容易地，无困难地 例：do it with ease

　　165. day after day, day by day

　　day after day日复一日(无变化);

　　day by day一天天地(有变化)例：Trees grow taller day by day.