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Unit 4 Global warmingWarming up & ListeningTeaching goalsEnable the students to know something about energy resources and something that use energy, and listen for details and catch the specific information as much as possible. Learning ability goalsEnable the students to predict some important information in the process of listening and encourage the students to talk about the situations according to the listening materials. Teaching important and difficult pointsHow to make sure the answers of listening material.Teaching aidsA recorder and cassette tapes, a projector, and a computerTeaching proceduresStep 1 Warming upDo you know any kind of energy resource?Do you know anything that use energy?things that use energy in a house(Slide show: some pictures of things that use energy in a house.)Things that use energy Sources of energylights television cassette player computerfridgestovewashing machine hairdryervideo recorder coal oilnatural gaswind(power)sun(solar energy)water(hydro-electric power) the sea ( tidal energy) uranium(nuclear energy) plant waster(biomass energy)T: Now let’s look at some more pictures and decide whether they are renewable or not.(Slide show: pictures of some forms of energy)wind energy renewablesolar energy renewablehydroelectric power renewablegeothermal energy renewabletidal energy renewablebiomass energy renewablenuclear power plant, non-renewable (picture)an oil refinery(精炼厂), non-renewable (picture)coal power station, non-renewable (picture)natural gas non-renewable (picture)uranium Ore (铀矿石) non-renewable (picture)The element uranium does not occur in pure form in nature but is found in minerals such as carnotite（钒钾铀矿）, pictured above. (picture)Conclusionnon-renewablecoal oil natural gas Uranium fossil fuelsrenewablewind (wind power) sun (solar energy) water (hydro-electric power)plant waste (biomass energy) hot springs or geysers (geothermal energy)the sea (tidal energy)Slide showWhat are fossil fuels?Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewed.Step 2 Pre-listeningRead Exercise 1 together:1. Read the statements below and tick the ones you agree with.2. Listen to the tape and answer and decide which statement Professor Chen does NOT agree with.1. We'll have to stop using fossil fuels.2. About 90% of the world's energy comes from fossil fuels.3. We can replace fossil fuels with renewable sources of energy.4. Nuclear power is a good source of energy.5. In the future, we'll need new technologies to replace fossil fuels.6. It's the developed countries who are to blame for producing most of the carbon dioxide.3. Listen again and tick the phrases that Professor Chen uses to agree or disagree with Li Bin.Slide showExactly. I’m afraid I dis agree with you.That’s true. I’m afraid not.That’s right. I don’t think so.That’s correct. No way.I agree. I don’t agree.4. Listen for the third time and fill in the blanks.1．Our modern _________ societies depend on the energy we get from________ _.2．It’s a very ____________ and cheap form of energy.3．Can’t we just ________ fossil fuels with ________ sources of energy like sun or wind power?4．However, whatever we do, we have to do it as a ________________.5．The _________ countries are really the ones to ______.Keys:1．industrial; fossil fuels 2. concentrated 3。
Section_ⅡWarming_Up_&_Reading_—_Language_Points一、这样记单词记得准·写得对记得快·记得多Ⅰ.基础词汇1.abstract adj. 抽象的；深奥的n. 摘要2.sculpture n. 雕塑3.gallery n. 美术陈列室；画廊4.superb adj. 卓越的；杰出的；极好的5.technique n. 技术；方法；技能6.shadow n. 阴影；影子7.ridiculous adj. 荒谬的；可笑的8.attempt n. 努力；尝试；企图v t. 尝试；企图Ⅱ.拓展词汇1.faith n．信任；信心；信念→faithful adj.忠实的→faithfully ad v.忠实地2.aim n．目标；目的v i.&v t. 瞄准；(向某方向)努力→aimless adj.没目标的3.typical adj. 典型的；有代表性的→typically ad v. 典型地；有代表性地4.evident adj.明显的；明白的→evidence n．证据5.adopt v t.采用；采纳；收养→adoption n．收养6.possess v t.拥有；具有；支配→possession n．(尤作复数)所有；财产7.coincidence n．巧合(的事)；(事情、品味、故事等)相合→coincident adj.同时发生的；(时间上)巧合的；相符的；一致的8.predict v t.预言；预告；预测→prediction n．预言1.abstract adj.抽象的n．摘要[反义]concrete adj.具体的[词块]abstract art 抽象艺术2.“艺术”关联词①sculpture n．雕塑②gallery n. 美术陈列室；画廊③museum n. 博物馆3.conventional adj.常规的；传统的；因循守旧的[近义]traditional adj.传统的[派生]convention n．传统4.technique n．技术；技巧；工艺[派生]①technical adj. 技术的；技能的；专门的②technician n. 技术员；技师③technology n. 技术；工艺5.shadow n．阴影；影子[联想]shade n．树荫6.adopt v t.采用；采纳；收养[形近]adapt v．适应[派生]adopted adj.收养的[词块]①adopt one's suggestion/advice采纳某人的建议②an adopted son 养子7.controversial adj.争议的；争论的[词块] a controversial issue/topic一个有争议的问题/话题8.“相信”家族①faith信任→faithful忠实的→faithfully忠实地②believe相信→belief相信→unbelievable不可思议的③convince使相信→convinced相信的→convincing令人信服的二、这样记短语记牢固定短语多积常用词块1.by_coincidence偶然地2．a_great_deal大量3．on_the_other_hand (可是)另一方面4．concentrate_on集中精力于……5．break_away_from逃脱；摆脱；脱离6．lead_to导致；通向；通往1.be influenced by ...受……的影响2．the main aim of ... ……的主要目的3．show nature and people ... ……展现自然和人物4．adopt a/an ... attitude to life采取一种……的生活态度5．paint pictures of oneself 为自己画像6．look richer and deeper 看上去更丰富、更深沉三、这样记句式先背熟再悟通后仿用1. ... they were convinced thatthey were looking through a hole in a wall at a real scene.……他们还以为是透过墙上的小洞来观看真实的场景，并对此深信不疑。
