英语复习知识点概要ring up和room,space
ring up  n.给……打电话
Could you please ring me up as soon as you come back?
请你一回来就给我打电话好吗？
Please ring up the train station and find out whether the train from Guangzhou has arrived or not.
请给火车站打个电话看看广州来的火车到站没有。
“打电话”的其他表达法：
①call up sb.      ②telephone sb.
③telephone to sb. ④make a telephone call to sb.
ring构成的其他短语：
ring back回电话    ring off(= hang off)挂断电话；停止讲话
（反义词）hold on不挂断（电话）

ring the doorbell 按门铃

高中英语单词表3500词必背
英语单词记忆法
高中英语课本

Role
play the role of…
该短语意为“扮演……角色”（=play a part of…）。如：
In this film he will play the role of a policeman.

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；take up much room占很多空间；standing room 立足之地；in space 在太空
[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

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, run short 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 has been 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 weeks passed, and their food ran out.
Two weeks passed, and they ran out of the food.
Two weeks passed, and their food gave out.
Two weeks passed, and their food had been used up.
Two weeks passed, and their food ran short.
Two weeks passed, and they ran short of the food.

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