UnitPollutionPPT課件

1、for Review(復(fù)習(xí)）ofintooutoutAttach to ; right awayfeel comfortable with; Combinewith; reach forCorrespond with ;existrespond; gap; mallOn a daily basis; identifyBack and forth; coreOut of touch; guilty necessarily1核心核心2當(dāng)然當(dāng)然3認(rèn)出認(rèn)出4不接觸不接觸5來回來回6結(jié)合結(jié)合7愉快相處愉快相處8立刻立刻9通信通信 存在存在10答復(fù)答復(fù)11隔閡隔閡12每天每天13 內(nèi)疚內(nèi)疚14購物中心購物

2、中心15聯(lián)系聯(lián)系 16伸手拿伸手拿第1頁/共51頁Teaching objectives（教學(xué)目標(biāo)） u Knowledge objective（知識(shí)目標(biāo)）（知識(shí)目標(biāo)）To master key words and sentence patterns.u Ability objective（能力目標(biāo)）（能力目標(biāo)）To master the main ideas of the text, practice their reading and writing abilityu Moral objective（情感目標(biāo)）（情感目標(biāo)）To understand the importance of en

3、vironmental protection, and do something in daily life.第2頁/共51頁Lead in（導(dǎo)入） Ask the students to talk about the following to question: 1. List some examples in our surroundings about pollution, and analyze its cause.2. What is the first solution to reduce air pollution ?第3頁/共51頁P(yáng)re-Reading: 情境體驗(yàn)Enviro

4、nment pollution is everywhere in our daily life. Suppose you are a man who is on the way to work, you may come across many forms of pollutions. List some, and analyze the causes with your partners, then conclude how to solve them.第4頁/共51頁情境體驗(yàn)規(guī)則： 1.1.清點(diǎn)人數(shù)，均分為清點(diǎn)人數(shù)，均分為6 6組，選出組長；組，選出組長； 2.2.各組以小組為單位討論，每

5、人發(fā)言，組長歸納，選出隊(duì)員各組以小組為單位討論，每人發(fā)言，組長歸納，選出隊(duì)員表演表演; ; 3. 3.每個(gè)組依次表演。每個(gè)組依次表演。第5頁/共51頁情境體驗(yàn)Presentation ： Each group show their performance.第6頁/共51頁情境體驗(yàn) Teachers Evaluation:1. Good points.2. Details that students should pay attention to. 第7頁/共51頁Section A:第8頁/共51頁P(yáng)ara.1 When I wake up in the morning, I pause br

6、iefly before opening my curtains, and what I see out of my window is likely to set the tone for the rest of the day. 第9頁/共51頁smog n. U; C mixture of smoke and fog 煙霧煙霧（指城市里由汽車和工廠廢氣所造成的（指城市里由汽車和工廠廢氣所造成的不潔空氣）不潔空氣） e.g. Smog is a major problem in Los Angeles. 在洛杉磯，煙霧污染是一個(gè)很嚴(yán)重的在洛杉磯，煙霧污染是一個(gè)很嚴(yán)重的問題。問題。 第10頁

7、/共51頁tonen. 1) singular; U 基調(diào)；氣氛基調(diào)；氣氛 e.g. The tone of the report was radical. 報(bào)告的基調(diào)十分激進(jìn)。報(bào)告的基調(diào)十分激進(jìn)。set the tone for something 為某事確定基調(diào)為某事確定基調(diào) e.g. His funny opening speech set the tone for the evening. 他幽默風(fēng)趣的開場白為整個(gè)晚會(huì)定下了基調(diào)。他幽默風(fēng)趣的開場白為整個(gè)晚會(huì)定下了基調(diào)。 第11頁/共51頁P(yáng)ara.2 I am not checking up on the weather. Inste

8、ad, I want to know exactly how bad the pollution is going to be. On some mornings, it is truly horrible. It is as if the whole city has been turned into a smokers room with a yellowish color staining the sky. 第12頁/共51頁yellowish adj. slightly yellow 微黃色的e.g. The leaves vary from yellowish green to da

9、rk green. 樹葉的顏色從淡淡的黃綠到深綠不等。 第13頁/共51頁P(yáng)ara.3 And this month, pollution in my city went from bad to. well, dangerous. The hospitals were filled with patients, old and young, suffering from breath-related problems. People were warned to stay indoors and the streets were unusually quiet. 第14頁/共51頁relate

10、 vt. show or make a connection between two or more things 與與有聯(lián)系有聯(lián)系 e.g. I found it difficult to relate the two ideas in my mind. 我發(fā)現(xiàn)要把這兩個(gè)想法在腦子里聯(lián)系我發(fā)現(xiàn)要把這兩個(gè)想法在腦子里聯(lián)系起來很困難。起來很困難。 第15頁/共51頁P(yáng)ara.4 Sales of air purifiers for homes, as well as face masks, rocketed and some stores simply ran out. Even for a c

11、ity that is used to pollution, this was an emergency. 第16頁/共51頁sale n. C; U an act or the process of selling something 銷售；出售 e.g. The sale of cigarettes to children is forbidden in many countries. 在很多國家，賣煙給孩子是被禁止的。第17頁/共51頁purifier n. C a machine or a substance that removes harmful substances from s

12、omething 凈化器；凈化劑；清洗裝凈化器；凈化劑；清洗裝置置 e.g. She asked John if hed help her to install a water purifier in her kitchen. 她問約翰是否能幫她在廚房安裝一個(gè)她問約翰是否能幫她在廚房安裝一個(gè)凈水器。凈水器。 第18頁/共51頁maskn. C a covering for part or all of the face, worn to hide or protect it 面罩；面罩；面具面具 e.g. Nurses should wear masks and caps on the job

13、. 護(hù)士上班時(shí)應(yīng)戴口罩和帽子。護(hù)士上班時(shí)應(yīng)戴口罩和帽子。第19頁/共51頁P(yáng)ara.5 For years, the local authorities often played down the pollution in the city, insisting it was fog in most cases, despite evidence to the contrary that was plain for all to see. 第20頁/共51頁play down make something seem less important or less bad than it real

14、ly is 減弱；淡化；輕描淡寫減弱；淡化；輕描淡寫 e.g. The newspaper stories played down the actors unattractive past. 報(bào)紙上的報(bào)導(dǎo)淡化處理了這個(gè)演員不太光彩的報(bào)紙上的報(bào)導(dǎo)淡化處理了這個(gè)演員不太光彩的過去。過去。 第21頁/共51頁P(yáng)ara.6 Faced with public pressure, the local authorities started publishing the hourly air-quality readings this year. And when the recent unusually

15、 heavy smog hit, the state media, for the first time on this issue, made its voice heard. 第22頁/共51頁pressure n. U an attempt to persuade someone by using influence, arguments, or threats （利用影（利用影響、辯論或威脅施加的）壓力響、辯論或威脅施加的）壓力 e.g. They are putting pressure on people to vote yes. 他們正在向人們施加壓力，要求他們投贊他們正在向人們

16、施加壓力，要求他們投贊成票。成票。 第23頁/共51頁publish 1) make official information available for everyone to read 公布；公開公布；公開 e.g. The latest unemployment figures will be published tomorrow. 最新的失業(yè)數(shù)字將于明天公布。最新的失業(yè)數(shù)字將于明天公布。 2) arrange for a book, magazine etc to be written, printed, and sold 出版；出版；發(fā)行發(fā)行 e.g. She was only 19

17、 when her first novel was published. 當(dāng)她的第一部小說發(fā)表時(shí)，她才當(dāng)她的第一部小說發(fā)表時(shí)，她才19歲。歲。第24頁/共51頁P(yáng)ara.7-8 The pollution story led the countrys main evening TV news program. Even the major national daily newspaper ran a headline asking “Whats wrong with our air?”. Well, the answer is not far to seek. The problem is c

18、aused by the country developing at a speed and scale unheard-of in history. It has been growth at all costs, resulting in widespread environmental worsening. 第25頁/共51頁runvt. print and publish an item or a story in a newspaper or magazine 刊登刊登 e.g. On advice from their lawyers they decided not to run

19、 the story. 他們遵照他們律師的意見，決定不刊他們遵照他們律師的意見，決定不刊登這則新聞了。登這則新聞了。 第26頁/共51頁scale n. U the size or extent of something, especially when compared with something else 規(guī)模；程度規(guī)模；程度 e.g. It was impossible to comprehend the full scale of the disaster. 要了解這場災(zāi)難的整個(gè)規(guī)模是不可能的。要了解這場災(zāi)難的整個(gè)規(guī)模是不可能的。第27頁/共51頁growth n. U an inc

20、rease in the size, amount or degree of something 增長；生長增長；生長 e.g. The rapid growth in crime is a big problem in the country. 犯罪率的快速增長是這個(gè)國家的一大難題。犯罪率的快速增長是這個(gè)國家的一大難題。 第28頁/共51頁P(yáng)ara.9-11 Coal-burning energy plants power the countrys factories; they provide the heat for hundreds of millions of homes, but

21、they also emit poisonous gases into the air. In my city alone, several million cars choke the streets, an illustration of the countrys growing prosperity. But all these vehicles, normally bumper to bumper, are also a sign of a country that is not coming to terms with pollution. 第29頁/共51頁power vt. su

22、pply with power 提供提供動(dòng)力動(dòng)力 e.g. The aircraft is powered by a new type of engine. 這架飛機(jī)是由一種新型的引這架飛機(jī)是由一種新型的引擎提供動(dòng)力的。擎提供動(dòng)力的。 2) U control over others; governmental control 權(quán)利；政權(quán)權(quán)利；政權(quán) e.g. He was found guilty of passing on secret papers to a foreign power. 他被判定犯有向外國政府泄密文件的他被判定犯有向外國政府泄密文件的罪行。罪行。 第30頁/共51頁hea

23、t n. warmth or the quality of being hot 熱；熱能熱；熱能 e.g. Ice needs heat to melt. 冰融化需要熱力。冰融化需要熱力。v. make something become warm or hot （把（把）加熱；（使）變熱加熱；（使）變熱 e.g. Metals expand when heated and contract when cooled. 金屬受熱膨脹，受冷收縮。金屬受熱膨脹，受冷收縮。第31頁/共51頁emit vt. send out something such as light, heat, sound, g

24、as etc. 散發(fā)；發(fā)出散發(fā)；發(fā)出 e.g. Boiling water emits steam. 沸水散發(fā)出蒸汽。沸水散發(fā)出蒸汽。 第32頁/共51頁poisonous adj. very harmful and can cause illness or death 有毒的；有害的有毒的；有害的 e.g. Carbon monoxide is a highly poisonous gas. 一氧化碳是毒性很高的氣體。一氧化碳是毒性很高的氣體。第33頁/共51頁 And it is not just the air quality. Lakes, rivers and underground

25、 water supplies have all been badly polluted by lightly regulated industry. Almost no one in the city trusts the water that comes out of their taps. So maybe the great smog of this city in recent days will mark a turning point. A time when the people say: “We need to put quality of life before econo

26、mic growth.” In recent months, there have been several large-scale protests against factories being built in various cities.第34頁/共51頁trust vt. believe in the honesty and worth of (someone or something); have confidence in 信任；信賴信任；信賴 e.g. The villagers didnt trust the Americans, but they trusted thei

27、r own government. n. 1) U confidence; faith 信任；相信；信任；相信；信賴信賴 e.g. Trust is a key factor in a successful marriage. 信任是婚姻成功的關(guān)鍵因素。信任是婚姻成功的關(guān)鍵因素。 第35頁/共51頁tap n. C a device which controls the flow of liquid or gas （自來水，煤氣等的）旋（自來水，煤氣等的）旋塞；龍頭塞；龍頭 e.g. Could you turn the tap off? 你能把龍頭關(guān)掉嗎？你能把龍頭關(guān)掉嗎？ 第36頁/共51

28、頁turning point the time when an important change takes place, usually with the result that a situation improves 轉(zhuǎn)折點(diǎn)轉(zhuǎn)折點(diǎn) e.g. The promotion marked a turning point in her career. 這次升職是她事業(yè)的轉(zhuǎn)折點(diǎn)。這次升職是她事業(yè)的轉(zhuǎn)折點(diǎn)。 第37頁/共51頁P(yáng)ara.12 But a huge sea change looks unlikelyfor now, anyway. Economic growth remains the

29、 citys top priority. Without it, large numbers of people could be left unemployed. There are still millions of people who want the keys to their first car, their first air-conditioner, even a fridge. 第38頁/共51頁huge adj. very large e.g. They live in a huge house. 他們住著一個(gè)很大的房他們住著一個(gè)很大的房子。子。 第39頁/共51頁sea

30、of change a strong and noticeable change in a situation 重大的變化；徹底的改變重大的變化；徹底的改變 e.g. The event caused a sea of change in public attitudes. 這次事件使公眾的態(tài)度有了巨大的這次事件使公眾的態(tài)度有了巨大的變化。變化。 第40頁/共51頁 Who is going to be the one to deny them their dream? For that reason, clean air is likely to remain a rarity in my

31、city for years to come. Some wealthy people are taking their kids to live in Canada or Australia. But for most, that is not an option. 第41頁/共51頁rarityn. C; U something rare; the quality of being rare 罕見的事物；稀有罕見的事物；稀有 e.g. Rain is a rarity here. 在這里下雨是很稀罕的事情。在這里下雨是很稀罕的事情。 第42頁/共51頁P(yáng)ara.13 As for me,

32、after about five years of living here, I have ordered my first air purifier. And I now wear a face mask for my bike ride to work. And every morning, before opening my curtains, I pause and hope that the wind has blown the pollution away. 第43頁/共51頁blow v. move and make currents of air, or be moved or

33、 make something move on a current of air （風(fēng)）吹（風(fēng)）吹 e.g. The wind is hardly blowing right now. 現(xiàn)在幾乎沒有風(fēng)?，F(xiàn)在幾乎沒有風(fēng)。 第44頁/共51頁summaryNew wordsheatemit poisonous gas choke illustrationprosperity vehicle bumper underground supplybadly pollute regulate industry trust tap economic protest huge unlikelyanyway unemployed fridge rarity blow 第45頁/共51頁P(yáng)hrases and expressions set the tone (for something) check up on ru