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1、9Unit 3 Language in use Beijing is a huge city. It takes an hour to get there by bus.Thats almost one fifth of the worlds population.That makes over 131.4 million births a year.Language practice 1. Work in pairs. Match the countries with their populations. 1 China a) 4,437,0002 the USA b) 22,956,000
2、3 Australia c) 314,791,0004 New Zealand d) 1,370,537,000When you see a table or a chart, look carefully at the labels and graphs to make sure that you understand what they are showing. Look at the chart below. What is it comparing? What can you conclude?2. Read your answers to Activity 1 to the whol
3、e class.China has a population ofNow listen and check.PPT模板：素材：PPT背景：图表：PPT下载：教程： 资料下载：范文下载：试卷下载：教案下载：PPT论坛： PPT课件：语文课件：数学课件：英语课件：美术课件：科学课件：物理课件：化学课件：生物课件：地理课件：历史课件：3. Read the chart and answer the questions.1 Which city had the largest population in 2000?2 Which citys population will increase the m
4、ost from 2000 to 2025?Tokyo had the largest population in 2000.Mumbais population will increase the most from 2000 to 2025. 3 Which city will have a larger increase in its population, New York or Mexico City?4 Which city / cities do you think will have the biggest population problem? Why?Mexico city
5、.I think Mumbai will have the biggest population problem because its population will increasethe fastest.4 Complete the passage with a, an or the where necessary. Mina is (1) _eighteen-year-old girl. She has got (2) _brother and (3) _sister. Mina is (4) _ oldest child in (5) _ family. She lives in (
6、6)_very big city. She has (7) _job in (8) _hotel. She hopes that one day she will have (9)_chance to go to (10) _college.aanathetheaaaa/5 Complete the sentences with the correct form of the words in the box. few good much small1 We believe the schools in Arnwick are very good, and we are working to
7、make them even_ .2 Their flat is too large for two people. They want to find a _one.3 Anna always talks about her ideas. I think she needs to listen _.4 There are a lot of parks in this city. I think there are _parks in a lot of other cities.bettersmallermorefewer6 Complete the diagram showing popul
8、ation problems. Use the words in the box to help you.air city country hospital increase public service traffic waterProblems of ArnwickProblems: Population_People arrive in _the cityincreasesPeople move from_the countrysideEnvironmental problemsExample:_ _ _ _Health problemsExample:_Problems for the
9、 governmentExamples:_air pollutionwater pollutiontoo much trafficrubbishnot enough hospitalsneed more schools and busesneed better public servicesneed more police to protect people7 Complete the passage with the words in the box. countryside pollution population space trafficOur world is facing many
10、 problems. Two of the biggest are increasing population and pollution. The (1) _of the world is increasing quickly. Why is this happening? Because more babies are born every year and populationpeople also live longer. Many people are leaving the(2) _ to work in the cities, but there is not enough (3
11、) _forso many people. Another huge problem for the world is (4)_. There is so much (5) _on the roads that in some cities the air is heavily polluted. We must work harder to protect our world.countrysidespacepollutiontrafficall over the world closed down in the future it takes not any more8 Complete
12、the sentences with the expressions in the box.1 Growing population is a problem_ _.2 The population of China may grow more slowly . 3 The supermarket when a bigger one opened in the town.all overthe worldin the futureclosed down4 Usually an hour to get there by bus.5 The town had a lot of population
13、 in the past but it is a problem .it takesnot any more9 Listen and choose the best summary.a)It is cheaper to share a car than to have a personal car.b) People in a car club do not often take buses, trains or the underground.c) There are no car clubs in the US.d) Joining car clubs is good for you an
14、d for the city.10 Listen again and choose the correct answer.1 Joining a car club is cheaper / more expensive than having a personal car.2 People in car clubs pay for / do not pay for a car when they drive.3 People in car clubs sometimes / never take a bus or ride a bike.4 People in car clubs probab
15、ly are / are not healthier.11 Work in pairs and discuss this question.Do you think car clubs would be popular in China? Why / Why not?In my opinion, car clubs World population and water With more and more people in the world, more and more water is used. In fact, water use is growing more than twice
16、 as fast as the worlds population! As a result, getting good, clean water is becoming a problem in many places. A lot of water is polluted and in many areas people have to walk a long way to get clean for daily use. More than 3.4 million people die each year from drinking and washing with polluted w
17、ater. So lets do everything we can to stop the pollution and save water.12 Work in groups. Prepare to make your graph. Choose a country or town which interests you. It could be your hometown.Decide the time you want to look at for example, now, ten years ago and ten years from now.Research the popul
18、ation of your place in those years. Write your notes carefully.Module task: making a graph13 Make your graph.Decide how you want to make your graph.Draw it and colour it. You can also make it on the computer.Label it clearly.14 Write a paragraph to describe your graph. Then Present your graph to the
19、 class.Pair workBeijing is a huge city. 北北京是一个大都市。京是一个大都市。huge 在这里表示在这里表示“大，巨大大，巨大”。另外表示。另外表示“大大”的还有的还有“ big, tall, vast, large, great” 等。等。 说人、动物、树木等说人、动物、树木等有生命有生命的东西，主要的东西，主要 用用tall不用不用high例如例如 a tall woman 一个高个子妇女一个高个子妇女 a tall horse 一个高大的马一个高大的马 Language points说一个不与地面接触的人和物的高时说一个不与地面接触的人和物的高时，要
20、用，要用 high，而不用，而不用tall。比如人站在桌子上时，。比如人站在桌子上时， 飞机飞上天时。例如飞机飞上天时。例如 He is high up in the tree. 他高高地爬在树上。他高高地爬在树上。 The plane is so high in the sky. 飞机在空中这么高。飞机在空中这么高。 指建筑物、山时要指建筑物、山时要tall或或high都可以，不过都可以，不过 high的程度比的程度比tall高。高。 high可作副词，可作副词，tall不能。不能。 tall的反义词为的反义词为short, high的反义词为的反义词为low。e.g. Our factor
21、y is a big/large one. 我们的工厂很大。我们的工厂很大。（1）在表示）在表示物体重量、人的身高大或长大了物体重量、人的身高大或长大了时，时， 只能用只能用big。 e.g. The box is too big to carry. 这个盒子太大，拿不了。这个盒子太大，拿不了。（2）在表示数量时，用）在表示数量时，用large, 不用不用big。 e.g. A large number of people came from all parts of the country to see the exhibition. 从全国各地来了很多人观看展览。从全国各地来了很多人观看展
22、览。big 和和large都可表示具体事物形体或面积的大都可表示具体事物形体或面积的大小小, 往往可以互换往往可以互换但但big较口语化。较口语化。E.g. There have been many great presidents in American history. 美国历史上有很多伟大的总统。美国历史上有很多伟大的总统。 在表示抽象意思时在表示抽象意思时, 有也可用有也可用big, 但但great更为更为正式。正式。e.g. Great/Big changes have taken place in our country in recent years. 近几年来近几年来我们国家发
23、生了很大变化。我们国家发生了很大变化。great 的意思是的意思是“大、伟大的大、伟大的”多用于抽象意多用于抽象意思。思。在修饰具体事物时在修饰具体事物时带有一定的感情色彩。带有一定的感情色彩。vast常用来指常用来指“广袤无垠的广袤无垠的”、“面积广阔的面积广阔的”。e.g. a vast forest, a vast sea, a vast desert, vast darkness等。等。huge指巨大的指巨大的往往指体积。往往指体积。e.g. a huge stone, a huge building等。等。 Exercises 用用a, an, /, the 完成下列句子。完成下列句
24、子。1. _ Knowledge is power.2. I earn 10 dollars _ hour as _ supermarket cashier on Saturdays. 3. The teacher asked us to write _ 800-word-long composition.4. I met _ Jay, but not _ one you know./an aan a the5. They are twins, so they are of _ age.6. He has _ fine collection of paintings.7. I dont wan
25、t to have words with you. I prefer to have _ word with you.a a a Have words with sb. 与某人吵架与某人吵架Have a word with sb. 与某人谈话与某人谈话 1. Beijing has got population of more than 13.8 million. A. the B. a C. an D./ 2. The _ traffic stopped me from going to school on time yesterday. I was late! A. heavyB. cro
26、wded C. fast D. quick选择题选择题BA3. Mrs. White isnt feeling well these days. She has made _ with the doctor at three this afternoon. A. a movement B. an interview C. a quarrel D. an appointment4. I dont like those big cities which have got _ people and _ traffic. A. too much; too many B. many too; too m
27、uch C. too many; too much D. too many; much too DC5. _ Tims help, I found my pet dog in the end. I should say thanks to him. A. Along with B. Without C. Thanks to D. Because CHomework Make a graph and share with your classmates.Recite all the words and phrases of this unit.婴儿潮（婴儿潮（baby boombaby boom
28、），指的是在某一时期及特定地区，出），指的是在某一时期及特定地区，出生率大幅度提升的现象。历史上有记载的几次婴儿潮，通常生率大幅度提升的现象。历史上有记载的几次婴儿潮，通常是起因於有振奋人心的因素，像是农作物丰收、打赢战争及是起因於有振奋人心的因素，像是农作物丰收、打赢战争及赢得体育竞赛等。但也有因为迷信的因素。在英文，形容婴赢得体育竞赛等。但也有因为迷信的因素。在英文，形容婴儿潮时期出生的人为儿潮时期出生的人为 baby boomerbaby boomer。 婴儿潮（婴儿潮（baby boombaby boom）这个词的首次出现，主要是指这个词的首次出现，主要是指美国美国第二次世界大战后的第
29、二次世界大战后的“4664”4664”现象现象-从从19461946年至年至19641964年，这年，这1818年间婴儿潮人口年间婴儿潮人口高达高达78007800万人。在世界上大多数国家均有此现象。在万人。在世界上大多数国家均有此现象。在日本日本，称呼此时期出生的人为称呼此时期出生的人为“团块世代团块世代”団块世代団块世代 。新中国。新中国成立后共出现过三次婴儿潮，值得注意的是：目前人口众多成立后共出现过三次婴儿潮，值得注意的是：目前人口众多的的“8080后后”一代也已长大，陆续成家立业。在一代也已长大，陆续成家立业。在2121世纪的前世纪的前1515年，中国将迎来新一轮的年，中国将迎来新一
30、轮的“婴儿潮婴儿潮”。以此类推，每次。以此类推，每次“婴婴儿潮儿潮”平均都会有平均都会有20-3020-30年的周期。年的周期。 撒哈拉沙漠撒哈拉沙漠(英文名为：英文名为：Sahara Desert)世界上阳光最多的地方，也是世界上最大和自世界上阳光最多的地方，也是世界上最大和自然条件最为严酷的沙漠。然条件最为严酷的沙漠。 撒哈拉沙漠是世界最大的沙漠，几乎占满非洲北部全部。东西约长撒哈拉沙漠是世界最大的沙漠，几乎占满非洲北部全部。东西约长4,800公里公里(3,000哩哩)，南北在，南北在1,3001,900公里公里(8001,200哩哩)之间，总面积约之间，总面积约8,600,000平方公里
31、平方公里(3,320,000平方哩平方哩)。撒哈拉沙漠西濒大西洋，北临阿特拉斯山脉和地中海，东为红海，。撒哈拉沙漠西濒大西洋，北临阿特拉斯山脉和地中海，东为红海，南为萨赫勒一个半沙漠乾草原的过渡区。南为萨赫勒一个半沙漠乾草原的过渡区。撒哈拉沙漠是世界上除撒哈拉沙漠是世界上除南极洲南极洲之外最大的之外最大的荒漠荒漠，位于，位于非洲非洲北部，气候条件极其恶劣，北部，气候条件极其恶劣，是地球上最不适合生物生长的地方之一。是地球上最不适合生物生长的地方之一。阿拉伯语阿拉伯语撒哈拉意即撒哈拉意即“大荒漠大荒漠”。 1.世界最寒冷之极世界最寒冷之极 南极洲的年平均气温在南极洲的年平均气温在28，大陆内部的
32、年平均气温在，大陆内部的年平均气温在4060，最低气温达最低气温达89.6 2.暴风雪最强之地暴风雪最强之地 南极沿海地区的年平均风速为南极沿海地区的年平均风速为1718米米/秒，阵风可达秒，阵风可达4050米米/秒。最大风秒。最大风速达到速达到100米米/秒，被喻为秒，被喻为“世界的风极世界的风极”，“风暴杀手风暴杀手”。 3.最干旱的大陆最干旱的大陆 南极大陆的年平均降水量为南极大陆的年平均降水量为55毫米，随着大陆纬度的增加降水量明显减少，大陆毫米，随着大陆纬度的增加降水量明显减少，大陆中部地区的年降水量仅有中部地区的年降水量仅有5毫米。在南极点附近，年降水量近于零，比非洲撒哈毫米。在南
33、极点附近，年降水量近于零，比非洲撒哈拉大沙漠的降水量还稀少。所以，南极是世界上最干旱的地区。其主要原因是固拉大沙漠的降水量还稀少。所以，南极是世界上最干旱的地区。其主要原因是固态的冰雪降落在大陆后形成巨大的冰盖，加之极端寒冷的气候和极少的日照量，态的冰雪降落在大陆后形成巨大的冰盖，加之极端寒冷的气候和极少的日照量，冰盖的累积量还略大于消融量，形成干燥的冰盖的累积量还略大于消融量，形成干燥的“白色沙漠白色沙漠”。4.最荒凉孤寂的大陆最荒凉孤寂的大陆 南极大陆是世界上至今唯一没有常住居民的大陆。只有一些南极考察国家的科学考察人南极大陆是世界上至今唯一没有常住居民的大陆。只有一些南极考察国家的科学考察人员短期的在南极工作，每年约员短期的在南极工作，每年约2000人左右。人左右。