(2） look in往里看；顺便看望（+on sb）。如：
Won’t you look in on me next time you’re in town？
4．owe sb sth；owe sth to sb
owe sb sth欠某人债务；应向某人表达……。如：
I owe her 20 yuan＝I owe 20 yuan to her．我欠她 20元。
We owe you an apology（＝ we owe an apology to you）我们应向您道歉。
owe sth to sb. 还可表达：应把……归功于……。如：
We owe our happy life to our Party. （注意这时不能改换为：we owe our party our happy life．）我们的幸福生活归功于党。
5.for sale；on sale
（l）for sale“供出售”，含任何东西要出售用，for表目的。如：
That company has imported a lot of goods for sale at home．那家公司进口了许多货物在国内销售。
（2）on sale“正在出售”，on表销售的进行性。在美国on sale指“减价拍卖”。如：
All kinds of apples are on sale now．各种苹果都上市了。
6.put up和set up
1)在表示“建造，搭建”时，两者可以换用，相当于build. 如：
They've put up the machinery ready for broadcast.
= They’ve set up the machinery ready for broadcast.
他们已经建造台机器准备广播。
Do you know how to put up / set up a tent? 你知道如何搭一个帐篷？
2) put up 还可表示“举起，张帖”。如：
It is not permitted to put up a notice on this wall. 不允许在墙上帖布告。
3) set up 还可表示“创建，建立（组织或机构）”等。如：
They needed money to set up a special school for children.
他们需要钱建立一个特殊的学校给这些孩子们。
4) set up 还可以表示“安排好”“搞定”。如：
All the arrangements have been set up for the newspapermen to meet the president.
为了采访这位总统，新闻记者们把所有的安排以就绪。
《Angkor wat(第2页)》出自：www.89xue.com网
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Lesson25教学设计方案
Step I.Revision:
Step II.Introdction: Look at the picture.If they want to build a platform for school,what will they need and how can they do that?
(suggested answers: bricks, pieces of wood, drill, paint, brush……..)
StepIII.Listen and answer:
(Now, close your books ,please. Let’s listen and answer)
1. What will they do with the wall behind?
2. How long should they wait when the wall is painted?
3. What will they do to stop people walking on the floor?
4. Why will they drill a hole in the wall?
StepIV. Now, open your book and read the dialogue in pairs.
StepV.Silent reading,close your books and fill in blanks.
1. The wall behind looks a bit grey and dull. What can we do to make it look less ugly?
2. No drawing can be done until the wall is dry.That may take about a week.
3. Yes, and we must stop people walking on this floor until it’s firm.
4. It may be necessary to put up a notice saying “put off”. Another thing, we’ll have to drill a hole in the wall for the electric wires.
5. I ought to do some studying, as I’ve got masses of work to do, but I think I’m too tired.
StepVI.Language points:
1．keep off 与 keep away
分析：这两个短语意思相近，只是off 与 away 词性不同。
off:为介词，后面可直接加名词。如：keep off the grass. Keep your hands off.请勿触摸。
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