1、Unit 2 Arnwick was a city with 200,000 people.【教学目标】l Knowledge objective1. To get information from the reading passage in relation to city problem.2. To write about city problems.l Ability objectiveTo write about city problems.l Moral objectiveTo make Ss do something for the environment protection.
2、【教学重点】1. To get information from the reading material about city problems.2. To learn the grammar: article.【教学难点】To understand the main idea of each paragraph of the article【教学方法】PWP method, task-based method. 【教学手段】A tape recorder, multimedia and some pictures【教学过程】Teaching Procedures:Step 1 Revisi
3、on and lead-inLook at the pictures and guess what the increasing population need? Step 2 Consolidate new wordsLook and say. The teacher shows the pictures of new words and let the students say as quickly as possible.Step 3 Ask and answer the questions Work in pairs. First read the words in the box.
4、Then use the words to answer the questions.countryside field flat hospital job office rubbish village1. Why do people move to cities?2. What are the problems of big cities?Step 4 Listen to passage and answer the questions1. Where did people live after they moved to cities?2. When did the small local
5、 school I Parkville close down?Step 5 Read the passage and check your answers to Activity 1Read the passage carefully and check the answers from the groups.Step 6 Read the passage and answer the questions1. How long will it take to go to school in Arnwick? 2. Where does Jos family live now?3. Was it
6、 expensive to live in the centre of the city?Step 7 Check the true sentencesFirst let the Ss read the passage carefully and then check the answers according to the passage.1. Parkville was a quiet village.2. Arnwick was a city with 20,000 people.3. Arnwick now has a population of more than one milli
7、on.4. The local school in Parkville has 2,000 pupils.5. Big cities need more money for public services.Step 8 Complete the passage with the correct form of the words from the boxRead the passage carefully and get the main idea and choose the words from the box, then use the correct form to fill in t
8、he blanks.flat local pollution rubbish service thousandMany towns and cities have the same problems as Arnwick. People need places to live, so the (1) _ government has to build more (2) _.People need better bus and train (3) _. They also produce more (4) _, so the government has to make more efforts
9、 to protect the city against (5) _. As we say, a hundred people make a (6) _ problems!Step 9 Number the problems in order from most important (1) to least important (6)To put the sentences in right order according to students opinions.( ) Many young people want to leave the countryside because they
10、want to find jobs in the city.( ) There are not enough schools and hospitals. ( ) Too much traffic brings air pollution.( ) There is too much rubbish in the streets.( ) There arent enough police in the city.( ) Its difficult to get enough clean water.Step 10 Write down your suggestions to solve the
11、problems in Activity 5Write down the first three most important problems and write down your suggestions to improve the situation.Step 11 Language pointsLet Ss master the main points of the passage.1. ., so the government built flats outside the centre. flats 表示“公寓，套房” house 表示“房子”2. Its clear that
12、Arnwick needs more schools, buses and hospitals. Its clear that 表示“很清楚.”。e.g. Its clear that we need to work hard before the coming final exam. 很明显，我们要在即将到来的期末考试前努力学习。3. The small local school in Parkville closed down five years ago. local adj. 当地的 close down 表示“（永久性地）停工，关闭”。e.g. The company closed
13、down last year. 去年那家公司关闭。4. There is a lot of traffic and pollution. pollution n. 污染 pollute v. 污染e.g. Noise pollution is more serious in the city. 噪音污染是城市中更为严重的问题。Step 12 GrammarTo master how to use the article冠词是置于名词之前，用以说明名词所指的人或事物的一种虚词。冠词有三种形式：不定冠词 a(n), 定冠 the和零冠词。一、不定冠词a, an的用法1. 表示数量，泛指同类事物中的
14、“任何一个”，含有“一”的意思。如： Tom had an apple for breakfast this morning.2. 表示某类人或物，此时的不定冠词一般不译为“一”。如： A panda eats bamboo. 3. 用在文中第一次提到的人或物前。 如： This morning Mr Wang told us an interesting story.注：不定冠词a常用于以辅音音素开头的单数可数名词前；an常用于以元音音素开头的单数可数名词前。二、定冠词the的用法1. 特指某（些）人或物。如： I like the red clothes. 2. 特指上文提到过的人或物。如
15、： I have a camera. The camera is white and I like it very much. 3. 指世界上独一无二的事物。如： the sun, the moon, the earth4. 用于序数词、表示方位的名词或形容词最高级前面。如： the first boy, in the north, the tallest boy 5. 用于表示乐器的名词前面。如： play the piano 6. 用于姓氏的复数形式前面，表示“一家人”或“夫妇俩人”。如： The Blacks are having a picnic now.7. 与形容词连用, 表示某一
16、类人或物。如：the rich, the old8. 用于某些专有名词前面。如： the Great Wall9. 用于一些固定短语中。如： in the morning, by the way三、零冠词的用法1. 表示节日、星期、月份、季节等的名词前面一般不加冠词。如： on Teachers Day, on Monday, in September, in winter 注意：in the summer of 2010（表示特指，故加the）2. 表示一日三餐的名词前面一般不加冠词。如：have lunch3. 表示球类运动和棋类的名词与play连用时，一般不加冠词。如： play bas
17、ketball, play chess4. 表示语言的名词前面一般不加冠词。如： David can speak Chinese very well.5. 名词前面有指示代词或形容词性物主代词时，不再加冠词。如： May I have a look at your dictionary? 6. 在一些固定短语中，名词前面用零冠词。如： go to bed, go to school, by bus, at night根据句意用合适的冠词填空，不需要冠词的地方划斜线“ / ”。 1) My sister is _ university student.2) I was excited to me
18、et _ Whites at the airport.3) The Changjiang River is _ longest river in China.4) We often have _ lunch at twelve oclock.5) Could you come back in _ hour?Step 13 SummaryLet Ss talk about what they have learnt in class.冠词的用法。重点短语。build flats in factclose down public service Step 14 ExercisesLet the s
19、tudents practice the main points in Unit 2.1. Please make _ for the old woman. Here you are. A. house B. flat C. room2. The paper factory _ last year and the villagers were very happy to have a better life. A. closed off B. closed away C. closed down3. Air _ is a serious problem in big cities. A. po
20、llution B. pollute C. rubbish4. The government needs to make _ to protect the forest. A. laws B. stories C. waysStep 15 中考链接Do some exercises from the entrance exam to senior high schools.1. Be careful ! There is _ dog lying on the ground. Thanks a lot. A. a B. an C. the D. /2. There is no living thing on _ moon. A. the B. a C. 不填3. Bill likes playing _ basketball, but he doesnt like playing _ piano. A. the, the B. /, the C. the, /Step 16 HomeworkWrite a passage to tell about the problems of your city.