高中英语知识点大全(13)：runout/run out of

　　1、room/space
　　room,space 都可以用作不可数名词，表示“空间，余地”。
　　另外，room有“房间”之意，可数；space有“太空”之意，不可数。
　　常用短语：live a room 5 住在5号房间；three rooms 三个房间；in space 在太空；
　　take up much room 占很多空间；standing room 立足之地；
　　[应用]单句改错
　　①There is much rooms for improvement in our work.
　　②There isn’t enough spaces in this classroom for 30 desks.
　　③The universe exists in the space, as we all know.
　　Key: ①改rooms为room ②改spaces为space ③去掉space前的the
　　2、run out/run out of
　　二者均表示“用完、耗尽”，但run out 不及物，同give out, run short；
　　而run out of 及物，相当于use up, runshort of。
　　对比：Money is running out. 钱快用光了。
　　We’re running out of money. 我们的钱快用光了。
　　All the money has given out./All the money hasbeen used up. 所有的钱已花光。
　　The oil is running short. 油快用完了。
　　He is running short of oil. 他快把油用完了。
　　[应用]一句多译：两周过去了，他们的食品用完了。
　　Key:Two weekspassed, and their food ran out.
　　Two weeks passed, and they ran out of thefood.
　　Two weeks passed, and their food gave out.
　　Two weeks passed, and their food had been usedup.
　　Two weeks passed, and their food ran short.
　　Two weeks passed, and they ran short of thefood.