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1、Topic 3 The world has changed for the better,Section C,Unit 1 The Changing World,1,基础教学,现在完成时用法二,从过去开始的动作一直持续到现在。（与一段时间连用）,一段时间,for+一段时间,since+时间点,yesterday，2014,last+时间名词,一段时间+ago,句子（过去时）,2,基础教学,动词,延续性动词,非延续性动词,可以与since, for, how long 引导的一段时间连用,不可以与since, for, how long 引导的一段时间连用,若要 连用,转换为延续性动词,3,基础
2、教学,3.延续性动词与非延续性动词之间的转换：,、用相应的延续性动词； buy - borrow - put on - catch/get a cold - come/go/become -,have,keep,wear/be in,have a cold,be,、转换成 be名词/介词,join,be in+组织/机构,be a member of+组织/机构,4,基础教学,、转换成be + adj./adv. :,die - finish - begin/start - leave () - close - open - fall asleep - marry -,be dead be o
3、ver be on be away (from) be closed be open be asleep be married,5,基础教学,Jobs died in 2011/5 years ago. (用现在完成时改成同义句),Jobs has been dead for five years .,since 2011.,since 5 years ago.,die-be dead,6,基础教学,Tiangong Two left the earth on Sep.15th,2016. (用现在完成时改成同义句),Tiangong Two has been away from the ea
4、rth for 6 days .,since Sep.15th,2016.,since 6 days ago.,leave()-be away(from),Tiangong number two space experiment apparatus 天宫二号空间实验室,7,基础教学,去年的钱该还我了吧?,我躲。,He borrowed his money last year/one year ago. (用现在完成时改成同义句),borrow-keep,He has kept his money for a year .,since last year.,since one year ago.
5、,8,基础教学,New words,9,基础教学,When something bad happens， we can go to the emergency_.,shelters,A home is a safe place.,Whatever you do, wherever you go and however you are, your home will always be your shelter.,What is your shelter?,10,基础教学,ever,who,where,when,how,what,Whatever,ron.无论什么，不管什么,无论,什么,怎么样,
6、什么时候,哪里,谁,New words,11,基础教学,However perfect it is, I will not buy it.,_ you go, I will find you.,Wherever,12,基础教学,value,v.重视，珍视 n.价值,valuable adj. 有价值的,New words,One of the most basic human needs is a home.,Almost everyone values his home.,13,基础教学,on purpose,故意，有意地,1.The man takes away the womans ch
7、air on purpose.,2. The two girls helped the old woman do some cleaning on purpose .,New words,14,基础教学,People think of her as Chinas diving queen.,认为是,15,基础教学,homeless people,16,基础教学,1.Have you ever seen any homeless people? Where? 2.What do you think of the homeless people? 3.What can we do to help
8、them?,Pre-reading,17,基础教学,1b Read 1a and choose the best title.,A Serious ProblemHomelessness The Causes and Effects of Homelessness A Home is a Safe Place,18,基础教学,Read and answer the questions. 1.What is one of the most basic human needs ? 2.Do all the people have their homes around the world ?,Par
9、agraph 1,One of the most basic human needs is a home.,No, while most people around the world value their homes , there are many people in every country who are homeless .,adj.基本的，基础的,n.人,19,基础教学,Some people are homeless for a short period of time because_ and_,Paragraph 2,they are moving from one pl
10、ace to another,other people are not able to find a home.,Read and fill in the blanks.,n.一段时间，时期,20,基础教学,Read and list the reasons for the homelessness. 1._ 2._ 3._ 4._,Paragraph 3,They do not earn enough money .,They do not have a job.,They have a problem with drugs .,They have a mental illness.,the
11、 causes of,21,基础教学,Read and fill in the blanks. _ the cause of homelessness is , the effects are the same. Homeless people must _ very hard to live. They can not _ their children. Sometimes they must _ food just to eat. The government in every country has worked _ many years to _ the homeless but mo
12、re needs to be done. We must think of the homeless _ people, not just as problems.,Paragraph 4,Whatever,work,raise,steal,for,support,as,22,基础教学,1c Read 1a again and complete the table.,moving from one place to another,not able to find a home,not earn enough money,not have a job,a problem with drugs,
13、a mental illness,work very hard to live,can not raise their children,must steal food just to eat,23,基础教学,1a Read and understand.,24,基础教学,1d Read 1a again and answer the questions.,What does the phrase “on purpose” mean according to the context? What does the word “support” mean according to the cont
14、ext? Have governments done enough to help the homeless people? What else can we do to help them?,故意，有意地,支持,养活,No, the government needs to do more.,25,基础教学,According to 1a and fill in the blanks.,1. One of the most _ human needs in a home. 2. Most people in the world _ their homes. 3. Some people are
15、 homeless for a short _ of time. 4. No one is ever homeless on _. 5. _ the cause of homelessness is , the effects are the same. 6. Homeless people sometimes _ food just to eat. 7. The government in every country has worked for many years to _ the homeless but more needs to be done.,basic,value,perio
16、d,purpose,Whatever,steal,support,26,基础教学,Retell it,27,基础教学,2 Work in groups. Look at the pictures and discuss the causes and effects of homelessness, child labor, or war. The following may help you.,28,基础教学,homeless people,A: What are the causes of ? B: There are many causes of Some causes are A: Wh
17、at are effects of ? B: Whatever the cause is, the effects are re the same /The effects are different. Some are A: What have governments /people done to help? B: They have A: Have they done enough? B: A: What can we do now? B: ,child laborers,cruel wars,29,基础教学,3 Write a Cause and Effect passage base
18、d on 2. The sentences below may help you .,The world has many problems such as _. Some causes of _ are _. _ happens because _. Some effects of _ are _ and _. The governments have _. People have _. There is hope that there will be less _ in the future.,30,基础教学,The world is becoming better and better.
19、 But it still has many problems. For example, therere many homeless people all over the world. Some children have to be laborers for a living. Whats worse, sometimes cruel wars break out in some areas. Some people are homeless because they do not earn enough money or do not have a job. They must wor
20、k very hard to live. They even cannot raise their children. The governments have worked hard to support the homeless for many years and the world has changed for the better.,you can write it like this :,31,基础教学,We learn：,Some words: basic, human, value, period, whatever, steal, support,Some phrases: on purpose, according to,Understand the homeless people more. Write a Cause and Effect passage.,We can：,Summary,32,基础教学,Read 1a. Memorize the useful expressions and key words that we learn today. Finish Section C in your workbook. Review Sections A-C.,Assignment,33,基础教学,Thank you,34,基础教学,