課件Unit 3 Environmental Protection Reading and Thinking 課件人教版（2019）選擇性必修第三冊

1、Part 1 : Reading and ThinkingDiscuss Climate changeUnit 3 ENVIRONMENTAL PROTECTION010203By reading, explain causes and negative effects of global warming.By teamwork, present how to solve the problem of global warming in groups. Be aware of the importance of cutting greenhouse gases and take effecti

2、ve action to do it. By the end of the class, you will be able toLearning AimsWhat do you know about global warming?The effects are destructive as follows:The sea level to rise. Severe storms, droughts, famines, the spread of diseases, and destruction of species.Wide animals died because of starvatio

3、n.Forest fire occurs frequently because of the extreme hot weather.Lead inWhat is the graph about? What information can you get from it?The graph is about the change of global Surface temperature.It shows us that the global temperatureis rising steadily and continuously.2. What happened in the pictu

4、re? Do you know what caused it?A polar bear was dead and it is “skin and bones.”The ice is melting on the mountain.Global warming causes the melting of iceberg and some polar bears Suffer from the lack of food.Read the text and sum up the main idea of each paragraph: 01 02030405Global climate is cha

5、nging dramatically. An alarming case about a bear starved to death. What is causing the increase in the global average surface temperature The destruction of the rise in temperature and the warning.Further possible changes to the global climate and our duty.Fast-reading.Read the text and answer the

6、questions:1.What is the evidence of global warming?2.Why is the “natural ”greenhouse effect important and necessary?3.What are the consequence of high greenhouse gas emissions?4.Why did the author mention the climate scientists warning?5.What is the authors purpose of writing the text? Read the text

7、 and answer the questions:What is the evidence of global warming?Warming ocean and atmosphere; melting and rising sea level; the starved polar animals; the extreme weather and natural disasters.2.Why is the “natural ”greenhouse effect important and necessary?Because greenhouse gases trap heat and ke

8、eps the earth warm and habitable.3.What are the consequence of high greenhouse gas emissions?People produce huge amounts of extra greenhouse gases and more heat energy is trapped, causing the temperature to go up. 4.Why did the author mention the climate scientists warning?Because the writer wants t

9、o warn us of the urgency of taking appropriate actions to tackle the issue.5.What is the authors purpose of writing the text?To arouse our awareness of the problem of the rise of temperature and taking proper actions to address the global warming. Read the text again and create a diagram describing

10、how the greenhouse effect works. Diagrams are very useful tools that can be used to brainstorm idea, map out processes, show cause and effect relationships, explain a new idea of concept, and so on. When you read an essay about scientific issues, you can try drawing a diagram, which will not only al

11、low you to visualize the problems more clearly but also can help demonstrate your creative thinking and problem-solving.1.What examples of extreme weather and disasters do you know? Make a list of them.2. Do you think it is human activity that caused global climate change? Give your reasons?3. Who s

12、hould take responsibility to address this climate change? What should you do to do to tackle it?Group discussion1.What examples of extreme weather and disasters do you know? Make a list of them.Tsunami, floods, landslides, sandstorms, thunderstorms, earthquakes, hail, hot waves, cold waves, typhoons

13、, tornados, hail.2.Do you think it is human activity that caused global climate change? Give your reasons?3. Who should take responsibility to address this climate change? Yes. Human beings burn too much fossil fuels and produce large quantities of carbon dioxide, causing the temperature to go up st

14、eadily .It is everyones duty to take care of the earth and do our part to tackle global warming.Take the stairs instead of elevatorWhat you should do to do to tackle it?Dont litterWhat you should do to do to tackle it?Go to school by bike instead of by car/busWhat you should do to do to tackle it?Tu

15、rn off the lights when leaving.Cover the pot while cookingWhat you should do to do to tackle it?Use handkerchief instead of facial tissueWhat you should do to do to tackle it?Use basket or environmental basket bag instead of plastic bag;buy things economic with energy; use recycle goods or items.Wha

16、t you should do to do to tackle it?Climate is rising.EvidencedamagesPotential further changescauseswarningactions to tackle the issue Words and Expressions1.graph 圖表/曲線圖 diagram 幾何圖解/示意圖 table 列表/一覽表2. emission n. 排放物; 散發(fā)物; 排放 pl：emissions emit v. 發(fā)出; 射出; 散發(fā) 同義短語：give off/out 發(fā)出(光,熱,氣體）3.melt (melte

17、d) 融化,軟化 a melting pot of different nationalities:多民族的大熔爐4. starve vi. & vt. (使)挨餓; 餓死 n.starvation (be)starve(d) to death：餓死 eg: A number of children in Africa _(starve) to death over the past few yearshave(been) starved seal5. seal n. 海豹/印章 v.密封 eg：He broke the wax seal and unrolled the paper.6.ec

18、ology n. 生態(tài); 生態(tài)學 ecologist 生態(tài)學家 biology n. 生物學; 生態(tài)學 biologist 生物學家 psychology n.心理學 psychologist n7.release vt. & n. 排放; 釋放; 發(fā)布 set.free 釋放 issue u v.宣布/公布 n. ; 爭論的問題; 熱點 release harmful gases release a prisoner/release information 1.On the peak, she burst into tears, _(release) all her emotions. 2.

19、When fuel is burning, it _a lot of heat. 3.Once_(release) ,the new edition of the dictionary will be popular. releasingwill releasereleased8. habitable adj. 適合居住的habitat n.(動植物的)棲息地 habit n. 習慣; 癖好Eg: 1.Some areas of the country are too cold to be habitable. 2.I dont think that the earth is the only

20、 habitable planet.sustain vt. 維持;支撐; 遭受; 承受住 ,證實， adj.sustainable 可持續(xù)的寫出下列句子中劃線單詞的漢語譯意:1.They found it difficult to sustain the weight of fruit.2.These facts sustain the theory.3.The company sustained losses of millions of dollars.4.Mary consider it challenging to sustain an interest in their talk.支

21、撐證實遭受保持 fossil16.fuel n.燃料；刺激性言行 add fuel to the fire/flames:火上澆油 eg:Research suggests warm colours fuel our prehensive adj.全部的;所有的； comprehension n.理解力18.restrict v.限制 restricted adj 受限的 restriction n.限制(法規(guī),約束) restrict.to. 把.限制在. restrict oneself to. 限制自己在. import/export/speed/travel restrictions

22、翻譯下列句子：1.長裙限制了她的活動。 Long dress restricted her movements.2.我爸爸控制自己每天吸10根煙。My father restricted himself to 10 cigarettes a day.3.鎮(zhèn)里限速30km/h.The speed is restricted to 30 mph in towns.19.seize v.抓住;奪取;控制catch/get/grab/take/seize hold of.: 抓住seize/catch/hold sb + by the leg (hand, arm): 抓住某人的腿/手/胳膊20.re

23、form vt 改革；(使)改正；改造 Our company_ (reform) its promoting system by the end of last year.had reformed寫出句子中劃線單詞的含義.1.The teacher thought she could reform the boy.2.We should try to reform prisoners through labour rather than punish them.3.The reforms should give a better chance to the students in the c

24、ountryside.4.Great changes have taken place in China since it began the reform and opening-up policy.改變改造改革(制度/政策)改革開放政策21.undergo nd: underwent - undergone vt. 經(jīng)歷; 經(jīng)受(變化/不快等) 尤指經(jīng)歷坎坷,變化或不愉快的事情,也可指接受測試、培訓等experience: v. 經(jīng)歷; 感受 (強調(diào)親身經(jīng)歷或體驗某事物)go through.: 經(jīng)歷; 遭受suffer from.: 受害于.; 患(病)1.The boss think

25、it important for employees _ (undergo) some career trainingto undergo22.implement vt.實施 n.工具 carry out 實施 writing/cleaning implements implement changes/reforms/policies/decisions實行變革/實施改革/執(zhí)行政策/執(zhí)行決議23.harmonious adj.和諧的 adv.harmoniously n.harmony 和諧,融洽 be in harmony with.: 與和諧/協(xié)調(diào)/融洽/和睦 翻譯：我媽媽要求我要和室友和

26、諧相處 My mother demanded that I(should) be in harmony with my roommates.24.moderate adj.適度的,中等的,溫和的/v. 理解下列劃線單詞的中文含義1.Contrary to popular belief,moderate exercise decreases your appetite. 2.The boy is a student of only moderate ability. 3.By evening, the wind had moderated slightly. 4.We hope that the

27、y will take a moderate position on most of the key issues.適度的中等的溫和的中立的25.submit v.遞交,呈遞,屈服 submitted/submitted submit an application/a claim/complaint submit sth to sb 把某物交給某人 submit to doing/sth/sb 屈從/屈服于某事/物/人 1. In the end,the man_(submit) to the enemy. 2. He gave up struggling for freedom, _ (su

28、bmit) to the reality. submittedsubmitting tropical forest in chaos26.chaos kes: n. 混亂; 雜亂; 紊亂economic/political chaos: 經(jīng)濟/政治的混亂in chaos: 混亂; 一片混亂; 亂七八糟27.on behalf of 代表 represent /stand for 代表,象征 翻譯：我將代表公司簽署這份文件I will sign the document on behalf of my company.28.sensitive adj.敏感的,善解人意的 be sensitive

29、 to 對.敏感/體貼 be sensitive about 對.介意My teeth is very sensitive_cold foodThe young girl is rather sensitive_the appearance of her further husband.toabout29.originate 起源 origin n.起源/起點 original adj 原來的,最初的,原創(chuàng)的/n.原稿,原創(chuàng) originally adv.起初/原來.30.enterprise 公司/企業(yè)/進取心 翻譯:他是一個積極進取的人 He is a man of great enter

30、prise.31.restore v 恢復/復原 寫出劃線單詞的中文含義1.Such kindness restore your faith in huaman nature.2.Urgent measures should be taken to restore the rivers original beauty.3.He is now fully restored to health.4.The army has recently been brought in to restore order at the capital.恢復(感受)使復原(情況)重新采用(或?qū)嵤?康復32.cons

31、ervation 對(環(huán)境,文物)保護;保持 conserve v.保護,節(jié)約 conserved adj.保守的33.disposal n.除掉 dispose v.清理,去除 at ones disposal 任某人處理34.inspection n.檢查/查看 inspect v 檢查,查看 inspector n.視察員 waterway35.tolerate tolerate(ones/sb)doing sth tolerant adj.容忍的 tolerance n be tolerant of 容忍某人/物 翻譯：新的環(huán)境讓我無法忍受 1.New surroundings wer

32、e difficult to tolerant 2. I cant be tolerant of the new surroundings.1. starve vi.&vt. (使)挨餓; 餓死An expert who has studied polar bears for many years said that from the position of its dead body,the bear appeared to have starved and died. 一位研究北極熊多年的專家說，從北極熊尸體的 位置來看，北極熊似乎是餓死的。 Language points【知識拓展】(1

33、)starve for渴望, 極想得到starve to death餓死(2) starvationn. 挨餓(3)starvingadj. 極想的, 渴望的be starving for渴望得到某物【巧學助記】語境助記starveThe starvation is still a very serious problem today. Its said that one in seven people in the world is starving. Fortunately, the UN has taken a lot of measures to protect them from b

34、eing starved to death. 今天饑餓仍然是一個非常嚴重的問題。據(jù)說世界上七分之一的人在挨餓。幸運的是, 聯(lián)合國已經(jīng)采取了很多措施來保護他們免于餓死。【即學即練】語法填空。(1)The lonely student is _(starve) for friendship. (2)We shall wait the enemy out, and watch them starve to _(die). (3)Since the famine broke out, the number of people dying of _(starve) has been increasing

35、. starvingdeathstarvation2. sustain vt. 維持； 遭受；承受住Without this process,Earth could not sustain. 沒有這個過程，地球也無法維持下去?！局R拓展】sustain an interest保持興趣sustain losses遭受損失sustain ones weight承受某人的體重sustainable development可持續(xù)發(fā)展【即學即練】(1)They had sufficient food to _. 他們有足夠的食物來維持生命。(2) _is a brand new idea of soci

36、ety development. 可持續(xù)發(fā)展是一種全新的社會發(fā)展觀。sustain lifeSustainable development3. fuel n. 燃料；刺激性言行When people produce huge amounts of extra greenhouse gases by burning fossil fuels, more heat energy is trapped in the atmosphere and causes Earths surface temperature to rise quickly.當人們通過燃燒化石燃料產(chǎn)生大量額外的溫室氣體的時，更多的

37、熱能被困在大氣中，導致地球表面溫度迅速上升。【知識拓展】fossil fuel化石燃料add fuel to the fire火上澆油fuel ones interest in激起某人對的興趣 【即學即練】(1)They are trying to find _for cars. 他們正試圖找一種更干凈的汽車燃料。(2)同義替換。His experience aroused (=_) his interest in becoming a chef. a cleaner fuelfueled【熟詞生義】How China has fueled the fashionable imaginatio

38、n for centuries? 幾個世紀以來，中國是如何激發(fā)時尚想象力的?v. 啟迪, 刺激, 煽動4. trend n. 趨勢； 趨向；動向Climate scientists have warned that if we do not take appropriate actions，this warming trend will probably continue and there will be a higher price to pay.氣候科學家警告說，如果我們不采取適當?shù)男袆?，這種變暖趨勢可能會繼續(xù)下去，人類將付出更高的代價。【知識拓展】the latest trend in

39、的最新潮流fashion trends時尚潮流tend to do sth. 傾向于做某事【即學即練】(1)He always _one extreme to the other. 他總是傾向于從一個極端走向另一個極端。(2)網(wǎng)上購物在印度成為一種新趨勢。譯: _. tends to go fromOnline shopping is a new trend in India5. broadcast vt.&vi. 播送； 廣播； 傳播 n. 廣播節(jié)目, 電視節(jié)目 In fact, news reports are frequently broadcast about extreme rain

40、storms and heatwaves causing deaths and economic losses. 事實上，有關特大暴雨和熱浪造成死亡和經(jīng)濟損失的新聞報道經(jīng)常播出?！局R拓展】radio broadcast無線電廣播the live broadcast of直播be broadcast live進行直播【即學即練】(1)Regular _began in 1920. 常規(guī)的無線電廣播始于1920年。(2)In addition, I hope the program _on Saturday evenings. 此外, 我希望這個節(jié)目能在星期六晚上播出。radio broadca

41、stswill be broadcast6. restrict vt. 限制； 限定； 束縛We as individuals can also reduce our “carbon footprint” by restricting the amount of carbon dioxide our lifestyles produce.我們作為個人也可以通過限制我們的生活方式產(chǎn)生的二氧化碳的數(shù)量來減少我們的“碳足跡”。 【知識拓展】restrict the number of限制的數(shù)量restrict oneself to限制自己(to是介詞)without restriction沒有限制【

42、即學即練】語法填空。(1)Her diet restricts her _ 1, 500 calories a day. (2) Jan 23: Wuhan declared temporary outbound (向外的) traffic _(restrict). (3)Mr Smith has a limited income _different goods he can buy. 史密斯先生的收入有限, 這就限制了他能買的各種商品的數(shù)量。torestrictionswhich restricts the number of7. seize vt. 抓??； 奪?。?控制It is our

43、 responsibility to seize every opportunity to educate everyone about global warming,along with its causes and impacts, because this is the most serious issue affecting all of us on this planet.我們有責任抓住每一個機會，向每一個人宣傳全球變暖及其原因和影響，因為這是影響我們地球上所有人的最嚴重問題。【知識拓展】seize the opportunity/chance抓住機遇/機會seize the pow

44、er奪取政權【熟詞生義】Although he had read the passage over and over again, he didnt seize its general idea. 雖然他讀了一遍又一遍，但還是沒有理解大意。( )vt. 理解, 領會【即學即練】(1)Suddenly, a tall man driving a golden carriage _(seize) the girl and took her away, disappearing into the woods. (2)You should _, or you will be regretful. 你應

45、該抓住這次出國學習的機會, 否則你會后悔的。seizedseize the opportunity to study abroad8. There is little doubt that Earth is getting warmer and warmer. 毫無疑問, 地球正變得越來越暖和?！揪涫浇鈽嫛縯here is little/no doubt that. . . 毫無疑問, that引導的是同位語從句。There is no doubt that to realize a goal, one needs not only knowledge but also good person

46、alities. 毫無疑問，要實現(xiàn)一個目標，不僅需要知識，還需要良好的性格。There is no denying that students should learn something about how computers work. 不可否認，學生應該學習計算機是如何工作的?！久麕燑c津】“there is no/little+抽象名詞+that. . . ”是存在句, 其中there不能換成it?！炯磳W即練 】語法填空。(1)At present, there is little doubt _ the short message plays an increasingly impor

47、tant role in our lives. (2)毫無疑問, 看電視會影響人們的行為舉止。譯: _thatThere is no doubt that watching television can influence the way that peoplebehave. SummaryYou can click here to add what you want to addt. It is easy to change.You can click here to add what you want to add. It is easy to change.認知詞匯:basin,refo

48、rm,undergo,penguin,moderate,imple-ment,annual,chaos,tropical,jungle拓展詞匯：1.sunmitsubmission2.starvestarvationstarving3.sustainsustainable4.harmoniousharmony5.restrictrestriction6.sensitivesensesensible應用詞匯：1.starve:starve for,starve to death,starvation,be starving for2.sustain :sustain an interest,su

49、stain losses,sustain ones weight,sustainable development3. fuel:fossil fuel,add fuel to the fire,fuel ones interest in4.trend:the latest trend in,fashion trends,tend to do sth. 5.broadcast:radio broadcast,the live broadcast of,be broadcast live6.restrict:restrict the number of,restrict oneself to,wi

50、thout restriction詞 匯 清 單 核心短語重點句式There is little doubt that Earth is getting warmer and warmer. 毫無疑問, 地球正變得越來越暖和?！揪涫浇鈽嫛縯here is little/no doubt that. . . 毫無疑問, that引導的是同位語從句。on behalf ofhave an impact onbe trapped inin search of deal withas well asin response tohuge amounts of take appropriate actionsmake policies. 根據(jù)語境及漢語提示寫出正確的單詞1. He started to study _ (生態(tài)學) and decided to devote his whole life to science. 2. The lazy bird had nothing in store for the winter, so it had to _(挨餓). 3. During th