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1、Unit 1 The Changing World Topic 3 The world has changed for the better.Section A Topic 3 The world has changed for the better.Teaching aims:1.some words and phrases:block,artist,visitor,industry,chemistry,term,as a matter of fact,millions of,be/get used to doing sth,used to do sth,2.some sentences:1
2、.You will get used to it very soon if you come.2.As a matter of fact,its a wonderful place to live.3.You must come for a visit.4.then you can see new York yourself.5.How much do you know about the traffic in New York?6.Do you have any ideas about the streets there?3.Use the Present Perfect Tense wit
3、h for and since1.You have been in New York for a long time2.The city has improved a lot since i came here a few years ago.Section AHave you ever been to Beijing?How much do you know about Beijing?Do you have any ideas about Beijing?Who can describe Beijing?In the past Nowadays the Statue Of LibertyB
4、roadwayNew YorkIs New York a wonderful place to live?Has Helen ever been to New York?Yes,it is.No,she hasnt.1b Listen to 1a and tick what was mentioned about New York.In the past p terrible traffic p dirty streets p unfriendly people p dangerous to live p less shopping centers Nowadaysp beautiful pa
5、rksp clean and fresh air p huge markets p famous museums p good schools p excellent restaurants重点句及短语：重点句及短语：1.You have been in New York for a long time.2.You will get used to it very soon if you come.3.They used to be,but the city has improved a lot since I came here a few years ago.4.As a matter o
6、f fact,its a wonderful place to live.5.You must come for a visit.6.Then you can see New York yourself.重点句及短语：重点句及短语：1.You have been in New York for a long time.2.You will get used to it very soon if you come.3.They used to be,but the city has improved a lot since I came here a few years ago.4.As a m
7、atter of fact,its a wonderful place to live.5.You must come for a visit.6.Then you can see New York yourself.Fill in the blanks,according to 1a Bob _ New York for a long time.He thinks its _ and he really _ it.But Hellen heard that the local traffic_,the streets _.Bob says the city _ a lot _ he came
8、 here a few years ago._,its a wonderful place to live.There are beautiful parks,good _,famous _ and _ restaurants.You must come for a _.Then you can _ New York _.has been inexcellentloveswas terriblewere dirtyhas improved sinceAs a matter of factschoolsmuseumsgreatvisitsee yourselfComplete the sente
9、nces with since or for.1.You have been in New York _ a long time.2.The city has improved a lot _ I came here a few years ago.forsinceYou have been in New York for a long time.for a long timepresentpastsb.have/has been in.某人一直在某人一直在e.g.I have been in the new school for a week.for a weeklast weekprese
10、ntpastfor+时间段时间段.,but the city has improved a lot since I came here a few years ago.since I came here a few years ago came herepresentpastsince+从句从句（从句谓语动词用过去式）（从句谓语动词用过去式）e.g.She has worked in the school since 1995.since 1995worked presentpaste.g.He has waited for Tom since two hours ago.since two
11、hours ago8:00presentpastsince+时间点时间点10:00I have worked in the school for three years.=I have worked in the school since three years ago.=I have worked in the school since 2011.=I have worked here since I came to the school.for+时间段时间段since+时间点时间点since+时间点时间点since+从句从句3 Look carefully and think about
12、the differences between since and for in 1a.Then complete the sentences with since or for and listen and check.1.I have lived in Beijing _ three years._2011.2.He has waited for Tom _ two hours ago._ two hours.3.We have learned chemistry _ one month._ the new term began.forforforsincesincesince n.化学化
13、学n.学期学期Fill in the blanks with for or since.1.His father has been dead _ he was ten years old.2.Michael has been away from the army _ six years.3.He has been in Chongqing _2003.4.My brother has had a car _ two months.5.Tom has kept a book _ 5:00 a.m.sinceforsinceforsince2 Listen to the passage and f
14、ill in the blanks with the correct forms of the given words or phrases.Broadway is a street in New York.It has been there_ 1811.It _ be dirty.But it _ since the 1920s.The area near Times Square is the home of Broadway theaters.There have been many famous _ along the street for many years.A lot of ar
15、tists perform plays,concerts and operas there.Every year millions of visitors come to enjoy the _ music and dance on Broadway._,Broadway stands for the American theatre industry.sinceused totheaterswonderfulAs a matter of fact has improvedn.艺术家艺术家n.参观者参观者n.产业产业，工，工业业theater used to improve wonderful
16、 as a matter of fact sincen.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.艺术家艺术家n.产业产业，工，工业业n.产业产业，工，工业业n.参观者参观者n.参观者参观者millions of 用法：用法：在英语中hundred,thousand,million,billion等词，当其前面有数词时，它们不加“s”使用，其后也不用介词of.直接跟可数名词的复数形式。如：five million
17、people 五百万人五百万人 当表达不确定数字时，在它们后面加上“s”再加介词of使用。后接可数名词的复数形式，表示“数百”“数千”“数百万”“数十亿”。如：millions of people 数百万人数百万人4 Work in groups and talk about the place you live.Compare todays situation with that of the past.The following dialogs may help you.A:I have been in for/since B:How do you like living there?A:
18、It is /Very good./I really B:Was the local traffic terrible/good/?A:Yes./No,it was /used to be in the past,and now it is B:like this:I have been in for/since It is I really like living there.It used to be in the past,and now it is 1.-Have you_ been to Beijing?-Yes,I have.I have _ come back.-No,I hav
19、ent.I have _ been there.2.-How long have you been in Beijing?-I have been there there for two weeks.-I have been there since last week.everjustneverSummary:1.Some words:block,artist,visitor,industry,chemistry,term2.Some phrases:as a matter of fact,millions of 3.Some sentences:1.You will get used to
20、it very soon if you come.2.As a matter of fact,its a wonderful place to live.3.You must come for a visit.4.Then you can see New York yourself.Use the Present Perfect Tense with for and since.1.You have been in New York for a long time.2.The city has improved a lot since I came here a few years ago.HomeworkHomework2.Make five sentences,using for and since.1.Read 1a aloud.4.Preview Section B.3.Finish Section A in your workbook.Thank You!