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1、Unit 3 Language in use【学习目标】【学习目标】1.1.能根据图表，表达人口增长及其带来的问题，能根据图表，表达人口增长及其带来的问题，并提出相应的建议并提出相应的建议 1.Beijing is a huge city.2.In fact,this is just a story3.It takes an hour to get there by bus.Please pay attention to the articles4.The small local school in Parkville closed down five years ago.5.But in t
2、he future,Chinas population wont grow so fast,because families are getting smaller6.It is clear that Arnwick needs more schools,buses and hospitals不定冠词a/an 定冠词 the 零冠词冠词是虚词，本身不能单独使 用，也没有词义，它用在名词的前面，帮助指明名词的含义a和和an均用于单数可数名词均用于单数可数名词之前，表示之前，表示一类人或事物一类人或事物中的中的“任何任何”一个，一个，1.There is _“f”and _“u”in the wo
3、rd“four”.A.an,a B.a,a C.an,an D.a,an分析：在名词前使用a或an要取决于该名词的读音。如果首字母的读音是元音因素，应用an；如果首字母的读音是辅音音素，应用a。2:Take the medicine three times _ day.A.a B.the C.an D./分析：使用不定冠词表示单位，fifty miles an hour 意为“每小时50公里”，twice a week 意为“每周两次”。3.Mary takes _ walk after supper every day.A.the B.a C./D.one分析分析:give,take,hav
4、e与一些动词名词化的词连用，表与一些动词名词化的词连用，表示一次动作，名词前要加示一次动作，名词前要加a。have a talk(bath,look);make a living(promise);take a swim(walk,rest)give a talk(whistle,smile)4.The cake is delicious,I would like _ second one.A.the B.a C./D.oneGive me the book,please.Tom bought a book,and the book was written by Luxun.The earth
5、 moves around the sun.The first lesson is very easy.She is the most beautiful student in our class.The Greens are watching TV.The orange is orange.We should help the old.I like playing the piano but I dont like playing football.The girl in red is my sister.The earlier you get up,the better you will
6、feel.1:_ moon moves around _ earth,and they both are smaller than _ sun.A.The,the,the B.A,an,a C.The,an,the D.The,the,a分析:定冠词用于表示世界上独一无二的物体名词前。2:_ young should care for and help _ old.A.The,a B.The,the C.A,the D.An,an分析:the形容词（形容词名词化）表示一类人或事物。the poor/the rich/the sick/the beautifulTigers are in dan
7、ger.Milk is healthy.China is a great country.Every student likes English.June 1is Childrens Day.I went to school without breakfast this morning.I go to school by bus.节日 日期 月份 季节 三餐 球类 学科，国名等专有名词Mina is(1)_ eighteen-year-old girl.She has got(2)_ brother and(3)_ sister.Mina is(4)_ oldest child in(5)_
8、family.She lives in(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.Complete the passage,with a,an or the where necessary.anaathethe aaaa/41.That makes over 131.4 million birth a year.3.Parkville was near Arnwick,a city with 200,000
9、 people.4.As we say,a hundred people make a thousand problems.Please pay attention to the numbers5.Thats almost one fifth of the worlds population,that is,about 7 billion.6.Two thirds of the students have passed the exam基数词序数词基数词序数词大数字的表达方法大数字的表达方法12a（one）half14a quarter6，500，431，729hundredthousandm
10、illionbillion注意每三个数为一个单位，按照百、注意每三个数为一个单位，按照百、十、个向下读。十、个向下读。大数字的表达方法大数字的表达方法6，500，431，729seven hundred and twenty-nine thousandmillionbillionsix billion,five hundred million,four hundred and thirty-one thousand,hundredRead the numbers1.846 2.4,517 3.59,248 4.8,326,000 5.9,368,600,000 eight hundred an
11、d forty-six four thousand,five hundred and seventeen fifty-nine thousand,two hundred and forty-eight eight million,three hundred and twenty-six thousand nine billion,three hundred and sixty-eight million,six hundred thousand（1）一万_（2）一百万_（3）一千万_（4）一亿_ ten thousandone millionten millionone hundred mil
12、lion写作指导训练(一)(一）The number of the population:1.中国人口大约是13.7亿。几乎占世界人口的五分之一。The _ _ China is about 1.37 _.Thats _ _ _ of _ _ _.2.我们家乡的人口正在快速增长。_ _ of my hometown is _ _.3.我住在一个有30多万人口的小镇。I live in a small town _ _ 300 _ people.4.这座城市的人口越来越多。_ _ more and more people in this city population ofbillionalmo
13、st one fifththe worlds populationThe population,growingfast/quickly/rapidlywith over thousand There are写作指导训练(一)Wenzhou has a population of 9,122,100.Wenzhou is a big city with .The population of Wenzhou is 9,122,100.There is a population of 9,122,100 in Wenzhou.Wenzhou is a big city with a large po
14、pulation of 9,122,100.The population of wenzhou:9,122,10013.1Population(million)18.716.426.617.823.61824.634.438.7graphGrowing population3.Read the chart and answer the questions.Tokyo had the largest population in 2000.Mumbais population will increase the most from 2000 to 2025.Mexico City will hav
15、e a larger increase in its population.I think Mumbai will have the biggest population problem because its population will increase the fastest.Problems of WenzhouPeople move from _People arrive in _Problems:Population _Environmental problemsExamples:_Health problemsExample:_Problems for the governme
16、ntExamples:_ the countryside the cityincreaseswater pollution air pollutionnot enough hospitalsneed more schools and buses;need better public services;need more police to protect peopletoo much trafficrubbish(crowed flats)There be(not)Its difficult to.Too muchbring.Complete the passage with the word
17、s in the box.countryside pollution population space traffic7 Our world is facing many 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 people also live longer.Many people a
18、re leaving the(2)_ to work in the cities,but there is not enough(3)_ for so many people.populationspacecountrysideAnother huge problem for the world is(4)_.There is so much(5)_ on the road that in some cities the air is heavily polluted.We should work harder to protect our world.pollutiontraffic Fir
19、stly,_ _ babies are born every minute in the world.Secondly,people live _.Thirdly,many people are leaving the _ to work in the _.over 250/morelongercountryside cities The reasons why the population is growing so fast:写作指导训练(二)Around the world.How rapidly(快的)is the water use growing?What is becoming
20、a big problem in many places?How do people get clean water for daily use(日常使用)?How many people died from drinking polluted water each year?It is growing more than twice as fast as the worlds population.Getting good,clean water is becoming a problem.People have to walk a long way to get clean water f
21、or daily use.3.4 millionLets do everything we can to stop the pollution and save water.1.我们的世界正面临许多问题。人口增长是世界的最大问题。由此引发了其他许多的问题，如：交通、噪音、空气、水、食物、房子、垃圾、公共服务等。Our world is _ many problems.The _ population is the _ problem in the world.And it _ lots of _ problems,_ _ traffic,noise,air,water,food,houses,
22、rubbish,_ _ and so on.2.太拥挤的交通带来了空气污染。Too much traffic _ _ _.3.路上交通如此繁忙以至于一些城市空气严重污染。There is _ much traffic on the roads _ in some cities the air is _ polluted.facing increasingbiggestcausesothersuch aspublicservicesbrings air pollutionso thatheavily(三)The problems that the increasing population ca
23、uses:写作指导训练(三)4.对人们来说，很难得到干净的水与健康的食品。Its _ for people to _ clean water and _ food.5.街道上有太多的垃圾。人们需要更好的公共服务。There is _ _ rubbish in the street.People need _ public services.6.没有足够的空间供人们居住，结果，房子越来越贵。There is not _ _ for people to live._ _ _,houses are more and more expensive.7.很明显我们需要新鲜的空气、干净的水、更多的医院和其
24、他更好的公共服务。_ _ _ we need _ air,_ water,_ hospital and other _ public services.8.正如我们所说的，一百个人会产生一千个问题！_ _ _,a hundred people make a thousand problems!difficultgethealthytoo muchbetterenough spaceAs a resultIts clear thatfreshcleanmorebetterAs we sayHow can we solve the problem?shouldhad betterWhy notSh
25、ould make efforts toThe city People the governmentIts clear that.Car clubCar sharingWhat do you think of car sharing?a)Its cheaper to share a car than to have a personal car.b)People in a car club dont often take buses,trains or the underground.c)There are no car clubs in the US.d)Joining car clubs
26、is good for you and for the city.9.Listen and choose the best summary.1.Joining a car club is cheaper/more expensive than having a personal car.2.People in car clubs pay for/dont 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 proba
27、bly are/are not healthier.9.Listen again and choose the correct answer.1.People _ not have too many babies.2.A city _ not hold more than one million people.3._ share a car instead of driving our own cars?4._ go to work on foot or by bike.5._ plant more trees.6.The government _ build schools for kids
28、 who come from the countryside so that they can get better education.I am sure that will help them live better in the future.7._ work harder to protect our world.（四）Suggestions that can help solve the problems:should should/had better Why dont weIts a good idea toLets try tohad better/shouldLets try
29、 toWriting:P36 Our world is facing many problems.And the increasing population is the largest one in the world.I am a fifteen-year-old boy and live in a city called City A.Its not a very big city with 400,000 people.Its much smaller than Shanghai.But the increasing population brings us lots of probl
30、ems.20 years ago,the population of my home town was only 150,000.It is growing very quickly these years.So the cars are over 150,000.The streets are busier than before.Heavy traffic causes traffic jams and brings us air pollution.Now we can hardly see the blue sky.What a pity!Whats worse,there are f
31、ewer and fewer rivers now.Instead,there are more and more buildings because people need to have places to live in.As a result,houses are more and more expensive.And more people produce more rubbish.I often see the rubbish on the streets.As we say,a hundred people make a thousand problems!Its clear t
32、hat we need fresh air,clean water,more hospitals and other public services.People should not have too many babies.And the government should plant more trees instead of building houses.All of us should work harder to protect our home town.Our world is facing many problems.And the increasing populatio
33、n is the largest one in the world.I am a fifteen-year-old boy and live in a city called City A.Its not a very big city with 400,000 people.Its much smaller than Shanghai.But the increasing population brings us lots of problems.20 years ago,the population of my home town was only 150,000.It is growin
34、g very quickly these years.So the cars are over 150,000.The streets are busier than before.Heavy traffic causes traffic jams and brings us air pollution.Now we can hardly see the blue sky.What a pity!Whats worse,there are fewer and fewer rivers now.Instead,there are more and more buildings because p
35、eople need to have places to live in.As a result,houses are more and more expensive.And more people produce more rubbish.I often see the rubbish on the streets.As we say,a hundred people make a thousand problems!Its clear that we need fresh air,clean water,more hospitals and other public services.People should not have too many babies.And the government should plant more trees instead of building houses.All of us should work harder to protect our home town.