高中英语Unit 3 Environmental Protection教课内容ppt课件

这是一份高中英语Unit 3 Environmental Protection教课内容ppt课件，共51页。PPT课件主要包含了答案 C　，答案 B　，答案 D　，答案 A　，答案 略　等内容，欢迎下载使用。

Sectin Ⅰ　Reading and Thinking (1)
Ⅰ. 在括号里写出黑体部分在句中的含义1. There is a grwing trend(　　) fr peple t wrk at hme instead f in an ffice.2. China has adpted new stricter emissin(　　) standards fr cars.3. In the eclgy(　　) lab, cmmunities f species can be studied experimentally under cntrlled cnditins.
答案: 1. 趋势　2. 排放　3. 生态
4. There are currency restrictins(　　) n the sums allwed fr freign travel.5. Since the plicy(　　) f the refrm and pening up, China has changed dramatically.6. As we use up ur fssil fuel(　　) supplies, we might be able t use garbage as an energy surce.7. He was released(　　) frm prisn after serving a sentence f five years.
答案: 4. 限制;法规 5. 政策　6. 化石燃料　7. 释放
8. He fund that in recent years the carbn dixide(　　) in the atmsphere kept increasing.9. One slice f bread was nt ging t sustain(　　) me fr lng.10. The website gives a cmprehensive(　　) list f the rules f the game.11. In summer, yung girls reapply suncream frequently(　　) t avid being sunburnt.
答案: 8. 二氧化碳 9. 维持　10. 全部的;详尽的　11. 频繁地;经常
12. The ways f hw t prtect urselves frm COVID-19 were bradcast(　　) n TV.13. Befre he culd run away, she seized(　　) him by the cllar.14. They wuld starve(　　) if fd was difficult t find.15. When heated, ice will melt(　　) int water.
答案: 12. 播送　13. 抓住　14. 挨饿　15. 融化
Ⅱ. 根据汉语提示补全短语1. have an impact ________对······有影响 2. be ________in 陷入;被困于 3. lead ________导致;通向 4. take ________采取行动 5. result ________引起;导致 6. ________every pprtunity t d 抓住每个机会做······ 7. take respnsibility ________为······负责 
答案: 1. n　2. trapped　3. t　4. actins 5. in　6. seize　7. fr
Ⅲ. 根据汉语提示及构词法知识写出正确单词
答案: 1. starve　2. restrict　3. restrictin4. eclgy　5. sustain　6. sustainable　7. frequently
Ⅳ. 根据汉语句意完成英语句子1. 这一令人惊恐的案例反映了气温上升对地球生态造成的影响。This alarming case shwed hw the increase in temperature ________ ________ ________ ________Earth's eclgy. 2. 这一热量以更大的波长被释放回大气层。The heat is ________ ________ ________space at lnger wave lengths.
答案: 1. had an impact n 2. released back int
3. 当人类由于燃烧化石燃料产生了大量额外的温室气体,更多的热能被困在大气层中,导致地表温度迅速上升。When peple prduce huge ________ ________extra greenhuse gases by burning fssil fuels, mre heat energy ________ ________ ________the atmsphere and causes Earth's surface temperature t rise quickly. 4. 如果我们不采取适当的行动,这种变暖的趋势可能会持续下去。If we d nt ________ ________ ________, this warming trend will prbably cntinue.
答案: 3. amunts f　is trapped in 4. take apprpriate actins
5. 我们有责任抓住每一个机会,教育每个人了解全球变暖,包括其成因和影响。It is ur respnsibility t ________ ________ ________t educate everyne abut glbal warming, alng with its causes and impacts. 
答案: 5. seize every pprtunity
Activity 1: 学习理解Step 1: Glance at the title, the graph and the picture and then answer the fllwing questins.1. What d yu guess made the plar bear dead?_________________________________________________ _________________________________________________
答案: 1. Earth becmes warmer, and ice melts, making it hard fr it t find enugh fd t eat.
2. What d yu think we shuld d t help slve the prblem?_________________________________________________ _________________________________________________
答案: 2. We shuld reduce greenhuse gas emissins.
Step 2: Read the third paragraph carefully and fill in the table.
答案: (1)Natural　(2)shrt-wave　(3)lnger(4)sustain　(5)Man-made　(6)fssil fuels　(7)rising
借助画图法理解文章内容 图表最大的优点是形象、直观。所以在我们阅读文章,尤其是一些比较抽象或复杂的文章时,可以利用画图法将文章内容、逻辑关系展现出来,让人一目了然。 根据文章的体裁,我们可以从不同的角度去注意材料的细节。如记叙文多以人物为中心,以时间或空间为线索,按事件的发生、发展、结局展开故事;议论文则包含论点、论据、结论三大要素,通过解释、举例来阐述观点。我们可以根据文章的特点,详读细节,以动词、时间、地点、事件、因果等为线索,找出关键词语,运用“画图列表法”,勾画出一幅完整清晰的围绕文章主题的认知图。
Step 3: Read the text again and chse the best answers.1. Why was the plar bear fund n the island f Svalbard “skin and bnes”?A. Because mst f it was eaten by seals.B. Because the climate was ht, drying it t be skin and bnes.C. Because it appeared t have starved t death.D. Because Earth's eclgy was wrse and wrse.
2. Hw d we knw there is evidence that the rise in temperature has led t increasing damage?A.We can see it everywhere every day.B. It is frequently bradcast in news reprts.C. Plar bears died.D. Nt mentined in the text.
3. Wh has the respnsibility t help reduce glbal warming?A. Gvernments.　　　　B. N ne.C. Individuals. D. Bth A and C.
4. What is the structure f the text?A. paragraph 1 paragraph 5B. paragraph 1—paragraph 2—paragraph 3—paragraph 4—paragraph 5C. paragraph 1 D. paragraph 5
Activity 2: 应用实践 Rle-play with yur partner t talk abut glbal warming accrding t the questins in Exercise 4 n page 27, ne as a reprter and the ther a climate scientist._________________________________________________ _________________________________________________
Activity 3: 迁移创新 Write an e-mail t yur friend Li Hua t talk abut what we shuld d t help reduce the prgress f glbal warming._________________________________________________ _________________________________________________
Reading and Thinking (2)
1. starve 【观察思考】▶An expert wh has studied plar bears fr many years said that frm the psitin f its dead bdy, the bear appeared t have starved and died. (教材第26页)一位长期研究北极熊的专家说,从尸体的姿势看,这只北极熊像是饿死的。▶The pr dg lked like it had been starved.这条可怜的狗看起来一直在挨饿。
▶The little girl selling matches starved t death. 卖火柴的小女孩饿死了。▶Children all starve fr lve and friendship.孩子们都渴望得到爱和友谊。▶Over three hundred peple have died f starvatin since the beginning f this year.自今年年初以来,已有三百多人被饿死。
【探究总结】(1)starve vi. & vt. _______;_______　　　　 ①starve _______death饿死 ②sb/sth be starved f/fr sth某人/某物缺乏所需要的某物(2)starvatin n. 饥饿;挨饿;饿死
答案: (1)(使)挨饿　饿死　①t 　
【应用实践】根据汉语提示完成英语句子。①The plant _______ _______ _______(缺乏) water and died. ②The explrers _______ _______ _______(饿死) in the desert. ③In this cuntry, the greatest threat t the lives f children and adlescents is nt disease, _______(饥饿) r abandnment, but the terrible reality f vilence. 
答案: ①was starved f/fr　②starved t death③starvatin　
2. release【观察思考】▶The heat is released back int space at lnger wave lengths. (教材第27页)这一热量以更大的波长被释放回大气层。▶He was released frm the hspital yesterday.他昨天获准出院了。▶The dctr gave me a treatment that culd bring a release frm pain.医生对我进行了能够缓解疼痛的治疗。▶The film is n general release.这部电影正在公开上映。
【探究总结】(1)release vt. 排放;释放;发布①be released ________被释放进······ ②be released ________从······被释放 (2)release n. 排放;释放;发布①release ________释放(缓解)······ ②be ________(general) release (公开)上映/发布
答案: (1)①int　②frm　(2)①frm　②n
【应用实践】根据汉语句意完成英语句子。①这些熊最终被放回野生环境中。The bears are eventually________ ________the wild. ②那个男孩终于被解除隔离了。The by was finally ________ ________islatin. ③很多学生把大学看成是一种解脱,可以不用承担工作的义务。Many students regard university as a ________ ________the bligatin t wrk. ④这部电影自从公开上映后很受欢迎。The mvie has been very ppular since it was ________ ________ ________.
答案: ①released int　②released frm③release frm　④n general release
3. trend【观察思考】▶Climate scientists have warned that if we d nt take apprpriate actins, this warming trend will prbably cntinue and there will be a higher price t pay. (教材第27页)气候学家已发出警告:如果我们不采取适当的行动,这种变暖的趋势可能会持续下去,而我们将为此付出更大的代价。▶Larger cmpanies are setting the trend fr better benefits.较大的公司在开创新风,提供更好的福利。▶This striped dress is n trend.这款条纹连衣裙正流行。
【探究总结】(1)trend n.________; ________; 动向 (2)常见搭配:①________the trend 开创潮流,开创新风 ②________trend 流行的 
答案: (1)趋势　趋向　(2)①set　②n
【应用实践】根据汉语提示完成英语句子。①The famus star ________ ________ ________(开创潮流) fr little black dresses. ②Culttes(裙裤) are still ________ ________(流行) this year, which every lady wants t have.
答案: ①set the trend　②n trend
4. result in【观察思考】▶Cntinued greenhuse gas emissins will result in further warming and lng-lasting changes t the glbal climate. (教材第27页)温室气体的持续排放将导致全球气候进一步变暖,并带来持久的变化。▶The accident that resulted in the death f tw passengers resulted frm careless driving.导致两名乘客死亡的那次事故是由粗心驾驶造成的。▶He fell ill as a result f t much wrk.由于工作太多,他病倒了。▶Alice verslept this mrning. As a result, she was late fr wrk.艾丽斯今天早上睡过头了,结果上班迟到了。
【探究总结】(1)result in ________(2)result frm ________;起因于 (3)as a result 因此;结果(4)as a result f 因为;由于
答案: (1)导致　(2)由······造成
【应用实践】单句语法填空。①If the supply f vitamins and minerals in the diet is inadequate, this will result ________changes in bdy chemistry. ②Mst cases f diabetes result ________the unhealthy lifestyle. ③As ________result, peple will eat mre fd t try t make up fr what's missing. ④Jenny nearly missed the flight as a result ________ding t much shpping.
答案: ①in　②frm　③a　④f
5. restrict【观察思考】▶We as individuals can als reduce ur “carbn ftprint” by restricting the amunt f carbn dixide ur lifestyles prduce. (教材第27页)作为个人,我们可以通过限制生活方式产生的二氧化碳量来减少我们的“碳足迹”。▶Speed is restricted t 30 mph in this twn.在这个小镇,车速不得超过每小时30英里。▶He is restricting himself t (drinking) tw glasses f wine every day.他限制自己每天只喝两杯葡萄酒。▶We need mre restrictins n industrial plluters.我们需要对工业污染源采取更多限制措施。
【探究总结】(1)restrict vt. ________; ________; 束缚 ①be restricted ________仅限于;限制到······ ②restrict sb ________(ding) sth 限制某人只做某事 (2)________n. 限制规定;限制法规;约束 restrictin ________对······的限制
答案: (1)限制　限定　①t　②t(2)restrictin　n
【应用实践】根据汉语提示完成英语句子。①Class sizes will ________ ________ ________(限制在) 20 students in the future. ②T reduce his wn carbn ftprint, his father ________ ________ ________ ________(限制自己开车) nly twice a week. 
答案: ①be restricted t②restricts himself t driving
6. seize【观察思考】▶It is ur respnsibility t seize every pprtunity t educate everyne abut glbal warming, alng with its causes and impacts, because this is the mst serius issue affecting all f us n this planet. (教材第27页)我们有责任抓住每一个机会,教育每个人了解全球变暖,包括其成因和影响,因为这是影响这个星球上我们所有人的最严重的问题。▶Maggie seized the letter frm her classmate.玛吉从同学手中抢过信。
【探究总结】(1)seize vt. ________; ________; 控制 (2)常见搭配:①seize every/an pprtunity ________ ________抓住机会做······ ②seize sth ________sb 从某人处抢夺某物 
答案: (1)抓住　夺取　(2)①t d　②frm
【应用实践】根据汉语提示完成英语句子。①We students shuld ________ ________ ________ ________ ________(抓住每一个学习机会). ②The little by ________sme candies ________(从······抢夺) his sister and ran away.
答案:①seize every pprtunity t study ②seized　frm
7. There is little dubt that ...【观察思考】▶There is little dubt that Earth is getting warmer and warmer (see the graph). (教材第26页)毫无疑问,地球正变得越来越温暖(如图)。▶There was little dubt that Shakespeare was ne f the best writers in the Renaissance.毫无疑问,莎士比亚是文艺复兴时期最杰出的作家之一。
【探究总结】(1)There is/was little dubt that ...是固定句型,意为“毫无疑问······”,that引导________,用来进一步补充说明dubt的具体内容;little亦可换成n。 (2)There is little/n dubt that ...主句为否定句时,dubt后使用连词 ________。 　 There is sme dubt whether ...主句为肯定句时,dubt 后使用连词 ________。
答案:(1)同位语从句　(2)that　whether
【应用实践】根据汉语句意完成英语句子。①毫无疑问,人们迟早会找到治疗这种疾病的方法。________ ________ ________ ________ ________sn r later a cure fr this disease will be fund.  ②他是否能及时赶到值得怀疑。________ ________ ________ ________ ________he will cme in time.
答案:①There is n/little dubt that②There is sme dubt whether
8. nt nly ... but als ...【观察思考】▶... an increase in extreme weather and natural disasters wrldwide, nt nly causing serius damage, but als csting human lives. (教材第27页)······全球极端天气和自然灾害增多,不仅造成严重破坏,而且使人丧命。▶He wrks nt nly n weekdays but n Sundays. 他不但工作日工作,而且星期日也工作。▶Nt nly the students but als their teacher is enjying the film. 不但学生们在欣赏这部影片,而且他们的老师也在欣赏。▶Nt nly des she wrk hard but als she has a high sense f respnsibility.她不但工作努力,而且还有高度的责任感。
【探究总结】(1)nt nly ... but als ... ________,可以连接两个并列的句子,强调后者。 (2)此结构中but和als有时可以省略其中的一个。(3)连接两个主语时,其谓语与靠近它的主语保持一致。(4)连接两个分句时,前一分句用________倒装,后一分句则不用倒装。
答案:(1)不但······而且······　(4)部分
【应用实践】(1)单句语法填空。Nt nly Tm but als his parents ________(be) cming t visit the museum tmrrw. (2)根据汉语句意完成英语句子。参观这次剪纸展览,我们不但能欣赏到民间艺术作品,而且还能学到很多。Visiting this paper-cutting exhibitin, we will ________enjy the flk art wrks, ________. 
答案:(1)are　(2)nt nly　but als learn a lt