3.set up, establish和build的用法区别:

　　1) set up意为"开办,建立",主要用于组织、机构、公司、学校"等。相当于open up或build up.

　　2) establish意为"建立，建造，设立"，一般指建立某个国家、组织、团体等概念的东西。相当于found（建立）。

　　3) build意为"制作,设置装备摆设",是一般用语,偏重动工建筑,常指制作大东西,如房屋、桥梁、道路等。试比较:

　　set up a school____________ build a school_____________

　　China was founded in 1949. 。

　　4. We can't put off making a plan. xK b1.C om

　　1)put off"推迟、取消(会议,约会等),动副词组,后跟动词时应用其-ing形式,代词作宾语需放在put和off中间。例如:

　　________________until tomorrow what can be done today.今天可以做的事情不要推到明天。

　　Please don't put off ___________your homework.请你们不要拖延做作业。

　　2) make a plan 意为____________. make a plan to do sth________________.

　　3) 归纳关于put的词组 。

　　【课堂练习】

　　 从方框中选择恰当的词组，并用其适当形式填空。

　　clean up, put up, cheer up, set up, come up with, give out ,put off, call up

　　1. He has a lot of work to do, so he has to _______________going to the doctor.

　　2. Could you help me _________________ these new books?

　　3. Don't worry. I'll help ______________your room.

　　4. Let's _______________the sick kids in the hospital.

　　5. In the end, Grandma ________________ a good idea.

　　6. Would you please not _______________signs here?

　　7. We're going to ______________a food bank to help hungry people.

　　 8. I'll ________you________ as soon as I come back.

　　【要点归纳】 重点词汇用法及短语动词的用法。

　　【拓展练习】

　　 根据汉语提示完成句子

　　1. We can't ________________ (推迟) holding a meeting .

He is a great man. He'd like to help _______________(