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.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 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.,Section A,Have 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 Liberty,Broadway,New York,Is 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.,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 of 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：,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 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 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 in,excellent,loves,was terrible,were dirty,has improved since,As a matter of fact,schools,museums,great,visit,see yourself,Complete the sentences 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.,for,since,You have been in New York for a long time.,for a long time,sb. have/ has been in. 某人一直在,e.g. I have been in the new school for a week.,for a week,last week,for + 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 here,since +从句（从句谓语动词用过去式）,e.g. She has worked in the school since 1995.,since 1995,worked,e.g. He has waited for Tom since two hours ago.,since two hours ago,8:00,since + 时间点,10:00,I 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,since+时间点,since+时间点,since+从句,3 Look carefully and think about 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.,for,for,for,since,since,since,n.化学,n.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.,since,for,since,for,since,2 Listen to the passage and fill 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 artists 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 .,since,used to,theaters,wonderful,As a matter of fact,has improved,n.艺术家,n.参观者,n.产业，工业,theater used to improve wonderful as a matter of fact since,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.艺术家,n.产业，工业,n.产业，工业,n.参观者,n.参观者,millions of 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 people 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,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: It is / Very good. /I really B: Was the local traffic terrible /good/? A: Yes./N