1、Unit 3 Unit 3 Language in useLanguage in use冠 词冠词是放在所说明的名词之前的词,说明名词所指的人或事物,是虚词。冠词分为定冠词和不定冠词两种,不定冠词是a和an,定冠词是the。1.不定冠词的用法：不定冠词仅用在单数可数名词前，表示“一”的意义。1)a 和 an 的区别：用a 还是an，要以它们后的那个名词或形容词的读音的第一个音素为主，也就是元音开头用an，辅音开头用a，而不是看是否是元音字母。2)用在名词前，强调的是名词的类别，而不强调数，one是强调个数。A plane is a machine that can fly.3)表示“某一”A
2、Mr Wang is waiting for you.一个姓王的先生在等你。4)表示某类人或事物当中的任何一个，相当于one。This is an apple.5)表示“每一个”，用在表示时间，速度价格的名词前。We have three meals a day.6)表示“一个式的人”He is a Lei Feng of our class.2.定冠词的用法:表示人或某些特定的人或事物。可与名词的单，复数连用。1)表示特定的人或事物2)指双方都知道的人或事物3)指世界上独一无二的东西the sun,the moon,the earth 4)重复提起上文提到的事或人5)放在形容词最高级和序数词
3、前6)方位，乐器前加the 7)江，河，湖，山脉，杂志，报纸等名称前8)在姓氏的复数形式前，表示全家人或夫妇两人9)在某些专有名词前10)和某些形容词连用表示一类人或事物11)在固定词组中3.零冠词的用法1)复数可数名词前，表示人或物的类别，或泛指不定量的人或物Horses are useful animals.2)球类运动、棋类游戏前play football play chess3)名词前有this,that,these,those 或形容词性物主代词前this book his bike 4)三餐前have breakfast have lunch 5)与by连用的交通工具名称前by b
4、us by train 6)建筑物、路名、街名、桥名、广场名、公园名、学校名Water Park7)某些固定搭配的词组in public in hospital go to bed A.Write a,an,or the where necessary.Mina lives in a big city.She is _eighteen-year-old girl.Shes got _brother and _ sister.Mina is _ oldestchild in _ family._ City where shelives is very big._ population is mo
5、rethan 10 million.Mina doesnt have _education.She has _ job working in _factory.She hopes that one day she willhave _ chance to go to _ school.anaathetheTheTheanaaa/B.Write the words with a,an,no article(/)or in plural form.crime experience hospital job population rubbish traffic1.The(1)_ of many co
6、untries is increasing quickly.Because of this,it is difficult to provide enough(2)_ which people need.populationjobshospitalscrimerubbish2.People who are ill need places in(1)_.Policemen are also needed to fight(2)_.The cities and countryside need to be clean and free from(3)_.3.And because of too m
7、any cars,trucks and buses,there are a great number of(1)_ problems.This is not right.Living in a city should be an(2)_ which people enjoy,no one which is bad for them.trafficexperienceC.Complete the conversation with a,an,the or no article(/).1.A:were going on/holiday/at/end of/school termWere going
8、 on the holiday at the end of the school term.2.B:are you going skiing in/mountains again?Are you going skiing in the mountains again?3.A:all/people who have been there say its one of/most beautiful places in/world All the people who have been there say its one of the most beautiful places in the wo
9、rld.4.A:no,were going to/SicilyNo,were going to Sicily.5.B:is that/capital city of/Italy?Is that the capital city of Italy?6.A:no,its/island/off/west coast of/ItalyNo,its the island off the west coast of Italy.Work in pairs.Guess the population of each country and match the two lists.Australiathe Ba
10、hamasChina United Stats of America1,300,000,000297,000,00020,137,000303,0001.Which city had the largest population in 2000?Tokyo had the largest population in 2000.2.Which citys population will increase fastest from 2000 to 2015?Mumbais population will increase fastest from 2000 to 2015.3.Which will
11、 be the larger,the increase in New Yorks population or in Mexico Citys?The increase in Mexicos population will be larger.4.Which will be smaller,the increase New Yorks population or Mumbais?The increase in New Yorks population will be smaller.Talk about the population of the city you live in now,10
12、years ago and 10 years from now.Free talkComplete the diagram showing population problems.air city countryside crimehospital increase illness water People move from _People arrive in _Problem:Population _Problems for the enviroment Examples:pollution of _ _ _Health problemsExamples:_the countrysidet
13、he cityincreaseswater;the airtoo many illnesses;not enough hospitalsProblem for policeExamples:_crimeListen and choose the best summary.1.You dont have to own a car in order 2.to drive one.3.2.Members of a car club dont often 4.use public transport.5.3.Car clubs are still to be introduced to 6.the U
14、SA.Listen again and answer the questions.1.Which is the main advantage of using a car for transport?You may use a car to get around in cities.2.How can you save money by joining a car club?3.In which way do members of car clubs improve their health,and the health of the planet?You neednt to pay the
15、repair costs and vehicle taxes by joining a car club.By joining a car club,members use the car less.They take public transporting instead,or walk or cycle.This is healthierWorld population and water in the year 205058%24%18%1.58%people will have enough water2.24%people will have some water3.18%peopl
16、e will not have enough water根据Around the world中“Population and water”的内容判断下列句子正(T)误(F)。()1.Overpopulation and water shortage are the main problems in many countries.()2.Because of overpopulation,its more difficult for people to make food.()3.There used to be more available water than now.TFT()4.3%of
17、 people will have no water in the year 2050.()5.In fact,overpopulation and pollution are problems that cause the shortage of good clean water.FTExercises请用正确的冠词(a,an,the)填空。如不用冠词则填“”。1.You dropped _“u”and _“s”in this word.2.There is _ pen on the desk._ pen is mine.3.I like playing _ basketball,but I
18、 dont like playing _ piano.anaTheathe4.He drove the car at the speed of eighty kilometers _ hour.5.I think English is _ useful subject.Do you think so?6.He had _apple and _ glass of milk for _ supper.anaana7.Who is _ boy?He is my _ best friend.8.Does Bob come from _USA or _ Australia?9.Linda works in _ hospital.Her sister works in _ same hospital.10.How do you go to work,by _bus or on _foot?thetheatheHomeworkHomeworkModule task:Making a graph.
