高二英語(yǔ)：Unit22 lesson1 global warming課件北師大

1、Unit 22Environmental ProtectionLesson 1Global Warmingwarm-up Exercise 1How much do you know about environental problems?use the key words to complete the sentences: 1.Earthquakes and volcanic eruptions are examples of .2.The giant panda and the Bengal tiger are .3.Because of ,the earth is warmed by

2、gases trapped in the atmosphere.is an increase over time of the average temperature of the Earth.is harmful to the ecology of the sea.6.Thousands of people in Africa continue to die because of war and .7.The water level rose so high in several places that many homes are at risk from .1.Earthquakes a

3、nd volcanic eruptions are examples of natural disasters .2.The giant panda and the Bengal tiger are endangered species .3.Because of the greenhouse effect ,the earth is warmed by gases trapped in the atmosphere.4. Global warming is an increase over time of the average temperature of the Earth.5. Ove

4、rfishing is harmful to the ecology of the sea.6.Thousands of people in Africa continue to die because of war and poverty .7.The water level rose so high in several places that many homes are at risk from flooding .AnswersExercise 2Listen to the news report. Which of the statements are true or false?

5、 Write T for true and F for false.1.The news reporter is working in Antarctica.2.The news report is about penguins.3.Penguins have only one partner for life.4.Fishing boats do not affect the deaths of penguions.5.Most penguin species outside of Antarctica are safe from environmental changes.6.Expert

6、s call for immediate international conservation effortsFTTFFTExercise 3In pairs,discuss which animals you think are among the top 5 endangered species in China?物種代碼010670001 中文名白暨豚 拉丁學(xué)名Lipotes vexillifer 俗名白暨豚商品名英文名Yangtze River Dolphin CITES公約附錄附錄I IUCN等級(jí)瀕危 紅皮書等級(jí)瀕危 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因回游被切斷，過度捕獵，環(huán)境污染 保護(hù)措施

7、遷地保護(hù) 物種代碼011050011 中文名藏羚 拉丁學(xué)名Pantholops hodgsoni 俗名羚羊，藏羚羊商品名英文名Chiru, Tibetan antelope 紅皮書等級(jí)漸危 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因棲息地破壞，作為食物被捕獵，因?yàn)橘Q(mào)易被捕獵 白唇鹿的角很大別名 巖鹿、白鼻鹿、黃鹿學(xué)名 Cervus albirostris英文名 white-lipped deer鹿科 Cervidae分布 青海、甘肅及四川西部、西藏東部國(guó)家一級(jí)保護(hù)動(dòng)物白唇鹿的體型大小與水鹿、馬鹿相似。頭骨淚窩大而深。唇的周圍和下頜為白色，故名“白唇鹿，為我國(guó)特產(chǎn)動(dòng)物。成年雄鹿角的直線長(zhǎng)可達(dá)1米，有4-6個(gè)分叉

8、，雌性無(wú)角。蹄較寬大。通體呈黃褐色，臀斑淡棕色，沒有黑色背線和白斑。棲息在海拔3500-5000米的高寒灌叢或草原上。白天常隱于林緣或其他灌木叢中，也構(gòu)件登流石灘和裸巖峭壁，善于爬山奔跑。喜歡集群生活。主要采食禾本科、蓼科、景天科植物，也吃多種樹葉，有食鹽的習(xí)性。發(fā)情交配多在9-11月份，雄性間有劇烈的爭(zhēng)偶搏斗，孕期8個(gè)月左右，每胎1仔，幼鹿身上有白斑。鹿茸產(chǎn)量較高，是名貴中藥材。物種代碼011050018 中文名賽加羚羊 拉丁學(xué)名Saiga tatarica 俗名高鼻羚羊，大鼻羚羊商品名英文名Saiga Antelope CITES公約附錄附錄II IUCN等級(jí)瀕危 紅皮書等級(jí)國(guó)內(nèi)絕跡 國(guó)家

9、保護(hù)等級(jí)一級(jí) 瀕危原因棲息地破壞，過度捕獵，作為食物被捕獵，作為醫(yī)藥成分被捕獵，因?yàn)橘Q(mào)易被捕獵 物種代碼011050007 中文名喜馬拉雅塔爾羊 拉丁學(xué)名Hemitragus jemlahicus 俗名喜馬拉雅塔爾羊，毛羊，山羊商品名英文名Himalayan Tahr CITES公約附錄未列入 IUCN等級(jí)資料缺乏 紅皮書等級(jí)稀有 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因過度捕獵 物種代碼011050003 中文名北山羊 拉丁學(xué)名Capra ibex 俗名亞洲 羊，紅羊，懸羊商品名英文名Ibex CITES公約附錄未列入 IUCN等級(jí)未列入 紅皮書等級(jí)瀕危 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因作為食物被捕獵， 棲息地

10、破壞物種代碼010530009中文名云豹 拉丁學(xué)名Neofelis nebulosa 俗名烏云豹，龜紋豹，荷葉豹，艾葉豹，樟豹商品名英文名Clouded Leopard CITES公約附錄附錄I IUCN等級(jí)易危 紅皮書等級(jí)瀕危 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因因?yàn)橘Q(mào)易被捕獵，作為醫(yī)藥成分被捕獵，作為食物被捕獵，棲息地破壞 物種代碼011030010 中文名麋鹿 拉丁學(xué)名Elaphurus davidianus 俗名四不象商品名英文名Pere Davids Deer CITES公約附錄未列入 IUCN等級(jí)瀕危 紅皮書等級(jí)野生絕滅 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因棲息地破壞，過度捕獵 物種代碼0110500

11、08 中文名紅斑羚 拉丁學(xué)名Naemorhedus cranbrooki 俗名紅斑羚，紅山羊，赤斑羚商品名英文名S.China Goral CITES公約附錄未列入 IUCN等級(jí)未列入 紅皮書等級(jí)稀有 國(guó)家保護(hù)等級(jí)一級(jí) 瀕危原因棲息地破壞，作為食物被捕獵，過度捕獵 物種代碼011030017 中文名黑麂 拉丁學(xué)名Muntiacus crinifrons 俗名紅頭麂，蓬頭麂商品名麝香 英文名Black fronted Muntjac CITES公約附錄附錄I IUCN等級(jí)易危 紅皮書等級(jí)漸危 國(guó)家保護(hù)等級(jí)一級(jí)瀕危原因種內(nèi)生物學(xué)特點(diǎn)，棲息地破壞， 作為食物被捕獵，因?yàn)橘Q(mào)易被捕獵 Exercise

12、4What can you do to help save them? Write down your suggestions,then present your ideas to the class.reading Exercise 1In groups discuss what you know about global warming.Look at the pictures to get ideas.Exercise 2Which countries do you think contribute more to global warming: developed countries

13、like America, or undeveloped countries like many in Africa.Why?Exercise 3Scan the text below for these words and work out their meanings: environmentalist: line 1, people who are concerned with protecting the environment radiate: line 22,send out in all directions atmospheric concentration: line 35,

14、the amount of such gases in the atmosphere release: line 33,allow to come out insignificant: line 43,too small or unimportant to consider or worry about consequence: line 44, something that happens as a result of a direct action or set of conditions dramatic: line 48,great and sudden energy-efficien

15、t: line 65, that helps to save energyExercise 4Read the text and answer these questions1.What is global warming?2.What human activities are causing global warming?3.By how much has the global average temperature increased in the last 100 years?4.Are greenhouse gases necessary for life on Earth?5.How

16、 can individuals help solve the problem of global warming?Global warming is an average increase in the Earth;s atmosphere.In dustry, agriculture, transportation, deforestation and the burning of fuels are causing global warming.By 1F Yes,they are.because they trap heat in the atmosphere of the Earth

17、. Otherwise the Earth would be cold and uns unsuitable for life.As individuals we can make small changes like taking public transport, recycling, using low flow shower heads, buying energy-efficient light bulbs to help stop global warmingvocabulary Exercise 6 beyond our control, pump into, as a resu

18、lt of ,in large quantities, refer to, speed up1.Water was pumped into the fish pond from the river.2.We all need to speed up to finish in time.3.There is nothing more we can do. The situation is now beyond our control . As a result of the accident, she is now afraind of water.5.The scientist referrd

19、 to global warming at least three times in his speech.6.The factory was producing greenhouse gases in large quantities .Use the expressons in the box in the correct form to complete the sentences.grammar Exercise 7What verbs are used in the text to report these statements?1.Human beings are causing

20、changes in the Earths climate.2.Gases pumped into the Earths atmosphere have been speeding up the process of global warming.3.Global warming could be one of the biggest environmental problems facing the 21st century.4.Global warming is mostly due to human activities.5.Global warming will cause drama

21、tic climate changes including more frequent floods, heat waves, and droughts. to report that to claim that to believe that to insist that to warn thatExercise 8Look at these sentences from the text and explain why the underlined verbs are not the same tense as the reporting verbs.1.Recent reports fr

22、om the IPCC warned that global warming will cause dramatic climate changes.2.Scientists found that the temperature of the Earth is controlled by greenhouse gases. because it it in the future because it is a general truthExercise 9Match the sentences with appropriate reporting verbs from the list. Th

23、en write the reported sentences. admit,boast, forbid,inquire, invite, order, suggest, threaten1.well close credit lines if you dont reduce carbon dioxide emissions.2.Ok, youre right, some poisonous chemicals did escape into the atmosphere.3.Why dont you drop in tonight?4.Stand up immediately!5.im th

24、e best student in this school!6.You cant use your dictionaries during the test.7.Shall we have a cup of tea?8.Is the bus service running according to the timetable today?Answers:1.They threatened to close the credit lines if we dont reduce carbon dioxide emissions.2.They admitted that some poisonous

25、 chemicals had escaped into the atmosphere3.he/she/they invited me to drop in tonight.4.he/she/they ordered me to stand up immediately.5.he/she boasted that he/she is the best student in that school.6.he/she/they forbade us to use our dictionaries during the test.7.she/he/they suggested having/that

26、we should have a cup of tea.8.i/he/she/they/we inquired if the bus service was running according to the timetable today.Homework exercise 1 on page 52Thats all. Thank youGoodbye9、靜夜四無(wú)鄰，荒居舊業(yè)貧。2022/10/132022/10/13Thursday, October 13, 202210、雨中黃葉樹，燈下白頭人。2022/10/132022/10/132022/10/1310/13/2022 7:29:01

27、 AM11、以我獨(dú)沈久，愧君相見頻。2022/10/132022/10/132022/10/13Oct-2213-Oct-2212、故人江海別，幾度隔山川。2022/10/132022/10/132022/10/13Thursday, October 13, 202213、乍見翻疑夢(mèng)，相悲各問年。2022/10/132022/10/132022/10/132022/10/1310/13/202214、他鄉(xiāng)生白發(fā)，舊國(guó)見青山。13 十月 20222022/10/132022/10/132022/10/1315、比不了得就不比，得不到的就不要。十月 222022/10/132022/10/1320

28、22/10/1310/13/202216、行動(dòng)出成果，工作出財(cái)富。2022/10/132022/10/1313 October 202217、做前，能夠環(huán)視四周；做時(shí)，你只能或者最好沿著以腳為起點(diǎn)的射線向前。2022/10/132022/10/132022/10/132022/10/139、沒有失敗，只有暫時(shí)停頓成功！。2022/10/132022/10/13Thursday, October 13, 202210、很多事情努力了未必有結(jié)果，但是不努力卻什么改變也沒有。2022/10/132022/10/132022/10/1310/13/2022 7:29:01 AM11、成功就是日復(fù)一日那一點(diǎn)點(diǎn)小小努力的積累。2022/10/132022/10/132022/10/13Oct-2213-Oct-2212、世間成事，不求其絕對(duì)圓滿，留一份缺乏，可得無(wú)限完美。2022/10/132022/10/132022/10/13Thursday, October 13, 202213、不知香積寺，數(shù)里入云峰。2022/10/132022/10/132022/10/132022/10/1310/13/202214、意志堅(jiān)強(qiáng)的人能把世界放在手中像泥塊一樣任意揉捏。13 十月 20222022/10/13202