prison1、price n
价格常用结构：（1）at a high/low price 以高价/低价 He is very happy because he bought a new car at a low price
因为低价买了一部新车，所有他很高兴
（2）英语中买卖的物品以“贵、贱”论，即 expensive/dear 或 cheap;物品的价格以“高、低”论，即 high 或 low
—Your new car only cost you 20,000 dollars
It’s really cheap
—你的新车只花了 2 万美元，真便宜
—Yes, the price is very low indeed
—是啊价格确实很低
（3）提问 price 时应用 what(多少)
What’s the price of that dress
那件衣服多少钱
相当于：How much is that dr ess
How much 需用 what 提问“多少”的还有 population/area/size/length/width/height/weight 等名词
2、prisonthrow(cast, put)sb
into(to)prison, take sb
to prison 把某人关入监狱
区别：in prison 与 in the prison 前者表示“坐牢、服法、服刑”；后者表示“在一所监狱”，有可能是在看望囚犯，也可能是监管人员
Tom’s brother was put(thrown、cast)into prison because of murderer,and he will be in prison for thirty years
汤姆的哥哥因犯谋杀罪而被关进监狱，他将在监狱服刑三十年
3、progress(1)vi
