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1、Unit 4 Global warming【导语】 全球气温变暖给南极的企鹅带来了怎样的影响, 你知道吗?为了保护他们, 我们应该怎么做?Antarctica, the coldest place on Earth, is too cold for most humans.Its a different story for penguins, though.Several types of penguins make their home inAntarctica.The birds walk with short steps all over the icy continent.Howeve
2、r, they dont allhave “ happy feet Some of Antarcticas penguins areendangered.The animals, hunt for food in waters off Antarcticas coasts.They use floating sea ice as a place to rest while they search.In recent years, global warming, the slow rise of Earths temperature, has been causing the ice to me
3、lt.“ Global warming is reducing the amount of food for penguins so that they cant find enough to eat, scientist Shaye Wolf said.Turning up the heatHumans may be directly responsible for the continents temperature changes, according to a new study in the journal Nature Geoscience.Temperatures in Anta
4、rctica usually do not go above freezing, or 32 degrees Fahrenheit.But lately the weather has been heating up.People add to global warming when they drive cars or use electricity.That burns fossil fuels, such as coal , oil ,and natural gas.The burning of fossil fuels gives off gases that warm Earth.T
5、he harmful gases stay in the atmosphere above Antarctica, researchers say.They found that the west side of the continent is especially affected by global warming.Scientists are concerned about the possibility that Antarcticas ice may melt more over time.The icy continent is about 5 million square mi
6、les.It is covered by glaciers and an ice cap 冰冠 about 7, 100 feet thick.If the ice melts, that could cause sea levels to rise around the world.Highersea levels could lead to dangerousflooding in some countries.Cool fix for AntarcticaExperts are hopeful that conditions in Antarctica can be improved.T
7、hey say people can reduce global warming by using cars and electricity less often.Even kids can help.Wolf suggests ,“ Talk to your friends and family about global warming, how it is harming penguins, and how important it is to stop glob al warming today. 【词海拾贝】1. Antarctican.南极洲2. penguinn.企鹅3. foss
8、iln.化石;生物4. glaciern.冰河;冰川【问题思考】1 . Why cant penguins find enough food to eat?答案: Because global warming is reducing the amount of food for them.2. Who may be directly responsible for global warming?答案: Humans.A. 图表;曲线图B. 现象C. 燃料D. 平均的E. 趋势;倾向F. 温和的;温柔的G. 环境;情况H. 奉献I .消费;消耗J .结果5 E 6F 7J3B 4 CI 将单词与
9、其正确释义连线1 consume2 graph3 phenomenon4 fuel5 trend6 mild7 consequence8 circumstance9 average10 contribution 答案: 1I 2 A8-G 9 D 10- Hn.根据所给汉语提示写出单词1. n洪水;水灾2. vt .反对;对抗3. adj.平稳的;持续的4. adj .分布广的;普遍的5. vt .拥护;提倡,主张6. n污染;弄脏答案:l.flood 2.oppose 3.steady 4.widespread5. advocate6.pollution川.根据英语释义写出单词1. : a
10、quick look2. : an amount or a number of sth3. : to pay money regularly to support a charity4. : to express something in speech or writing,especially in a defi nite or formal way5. : happening or chosen without any definite plan,aim or pa tter n6. : to take a particular direct ion7. : a sudde n eve n
11、t result ing in great loss andmisfort une8. : the limits between which sth varies; a set ofproducts of a particular type答案:1.gla nee2.qua ntity3.subscribe 4.state5. random 6.tend 7.catastrophe 8.rangeIV .选用短语的适当形式完成句子keep on; be opposed to ; come about ; result in ; subscribe to ; go up; quantities
12、of ; eve n if1. There are large rain in this area.答案:quantities of2. Do you know how global warming ?答案:comes about3. I have never the view that schooldays are the happiest days of your life.答案:subscribed to4. If you want to make the kite , pull the string hardand the n release it slowly.答案:go up5.
13、His careless speech much argument.答案:resulted in6. We the practice of power politics between nations.答案:are opposed toV .领会句子所用的句型并译成汉语1. That probably does not seem much to you or me, but it is a rapid in creasewhen _compared_to other n atural cha nges.答案:这个数值对你我来说可能是无所谓的,但是跟其他自然变化相比拟而言,这却是一种快速的增长。
14、2. There_is_no_doubt_that the earth is becoming warmer (see Graph 1)and thatit is human activity that has caused this global warming ratherthan a random butn atural phe nomenon.答案:毫无疑问,地球是在变暖见表一,而地球变暖正是人类活动导致的,并非是一 种无规律的自然现象。3. Without the“greenhouse effect,the earth would be about thirty threedegre
15、es Celsius cooler tha n it is.33摄氏度。答案:如果没有“温室效应,地球温度将比现在低大约 课文表层理解I .判断正(T)误(F)1The temperature in the last century did not seem to increase much.(T)2 Everyone believes that global warming is caused by the activity of humans.( F) 3 Janice Foster believes that she can measure the future global rise
16、intemperature.( F)4The rise in carbon dioxide is causing a steady increase in global warming.( T) 5 George Hambley believes that global warming will do good rather than harm to the earth. ( T)6It is clear what the effects of global warming will be.(F)n.读课文答复以下问题1 What do they think about global warm
17、ing ? Do they agree with one another?答案: There are some very different attitudes among scientists towards this issue.Some think the effects will be terrible, while some others believe that we should not worry about it.2 What are the two graphs about in the text?答案: The first graph shows the temperat
18、ure increase of one degree Fahrenheit between 1860 to 2000.The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1997.3 What is the main topic of the article?答案: Global warming/the warming of the earth.川.表格填空The burning of1.like coal,n atural gas and oil to produce en ergy
19、.During the 20th cen tury the temperature of the earth rose about 2.degree Fahre nheit.The levels ofcarb on dioxide have 3.greatly over thelast 100 to 150 years.Charles Keeli ng found that the carb on dioxide in the atmosphere went up from around 4.parts to around 370 parts per milli onbetween 1957
20、and 1997.Dr Janice Foster says that the amount of warm ing could be as low as 1 to 1.5 degreesCelsius , but it could be as high as 5 degrees over the next5.years.The climate could bevery seriousA rise of several metres in the6.Severe storms, floods , 7.,fami nes.The spread of diseases.The disappeara
21、 nee of8.We should not worry about high levels of carb on dioxidein the air.It will make plants grow 9.; crops willproduce 10.; it will encourage a greater rangeof ani mals.答案:l.fossil fuels 2.0 ne3.i ncreased4.3155.1006. sea level 7.droughts 8.species 9.quicker 10.more课文深层理解1 .Para 12 .Para 23 .Par
22、a 34 .Para 45 .Para 56 .Para 67 .Para 7A. The cause of the earths becoming warmerBCDEFGI .读课文匹配段落大意.The consequenee of burning fossil fuels.The in crease of carb on dioxide.Global warmi ng will go on.Puzzles about global warm ing.Differe nt attitudes to global warmi ng.An in troduct ion to the passa
23、ge答案:1.G2.A3.B4.C5.D6.F7.En .阅读P2627的Reading局部,选择最正确答案1 . How much did the temperature rise in the 1900s?B One Celsius.A One degree Fahrenheit.CTwo degrees.D Two degrees Fahrenheit答案: A2 What causes the temperature of the earth to increase?A Cutting trees.B Wasting the farmland.C Burning fossil fuel
24、s.D Burning rubbish答案: C3 Whoaccurately measured the amount of carbon dioxide in the 1957 to 1997?ADr Janice Foster.B Charles Keeling.C Fahrenheit.D Charles keeping答案: B4 According to George Hambley , A global warming is a very serious problemB theres no need to worry about global warmingC the level
25、s of CO2 in the air will become lower in the futureD we have to worry about global warming. 答案: B5 We can infer from the text that A the debate about the effects of global warming has not been settledB the greenhouse effect is the result of peoples actionsC all scientists think it is important to re
26、duce the amount of CO atmosphereatmosphere from2 in theD the debate about the effects of global warming has been settled. 答案: A如何写海报 海报是向群众发布某种消息的布告。海报的形式多为招聘广告、活动宣传和人物介绍。 英文海报的内容常为球讯、影讯、商业报道、展览会、报告会、专题讲座等。一般的英语海 报由标题、正文和落款组成。1标题海报中往往把内容作为大字标题。如口: Football Match, Film News GoodNews, NewYearsEve Ente
27、rtainment 或者注明 Poster 等字样。2正文局部正文局部要写清楚具体内容。活动内容、 地点以及参加规定、 主持或举办单位等。 语言 多用十分简略的形式,开门见山地说明主题、 活动内容。 活动时间和活动地点另起一行。最 后提出活动要求和考前须知。3落款出海报的单位署名通常放在右下角; 日期位于署名的下一行, 既可以写在右下角, 也可 以写在左下角。另外:海报写作的考前须知还有:(1) 时态:用一般将来时和一般现在时。(2) 语言:海报文字要求简洁明了,篇幅要短小精悍。文中可以用些煽动性的词语,但 不可夸大其词。(3) 要求:海报一定要具体真实地写明活动的时间、地点、主要内容及参加规
28、定。【常用句式】 As we all know , it is important to. First, you should.Second. It is a must that everybody should. Only in this way can we. The first solution is.the second solution is. In a word, pay much attention to. Last but not least, people ought to/should. So you need/should. Well have a show/footba
29、ll match on July 16th. There is a piece of news that well hold a . 地点时间(DWe hope to raise money to help the poor childre n.It will be held.1D3You can buy tickets in.and the price is 2yuan for each.yuan1D4By then, some new clothes are even 50% off.If you spend more than 100 at one time , you can get
30、two at present.请你用英语写一张海报向同学们介绍一下夏令营的情况,并邀请同学们参加。要点如下:1目的:使同学们学好英语,建立良好的人际关系;2活动内容 学习英文歌曲、舞蹈、游戏等 ;3活动费用低。 审题谋篇 第一步 明确要求这篇写作是一篇应用文海报, 习作要符合海报的特点。 首先要标明海报的主题, 即 有一个响亮而简洁的标题 English summer camp 。文章的内容为对夏令营的介绍,即帮助学 习英语、建立良好的人际关系; 夏令营的优势定期举办, 费用低等;最后为海报的目的 邀请大家参加等内容不可或缺。最后,要注意落款海报的组织方及时间。第二步 确定段落标题: Engl
31、ish summer camp主体:英语夏令营的内容、优势及目的。落款:学生会及海报日期。第三步 提炼要点1暑假 the summer vacation2英语夏令营 English summer camp3致力于 be devoted to4也 as well as5人际关系 interpersonal relationship6大量的 a variety of7轻松的气氛 in a relaxed atmosphere8和某人相处很好 get along well with sb9另外 in addition10会费 membership fee第四步 扩点成句1夏令营的目的是提高会员的英语
32、和成员间的人际关系。 一般表达 The aims of the summer camp are to improve its members English and interpersonal relationship. 句式升级 1Not only the summer camp can get its members English improved,it can also make the interpersonal relationship between members better. 句式升级 2The summer campis devoted to the improvemen
33、t of its members English as well as the establishment of good interpersonal relationship.2每个暑假,该夏令营将举办英语歌曲学习、舞蹈培训和游戏等活动。一般表达Every summerthe camp will teach to learn English songs, train dances and play games.句式升级 1Every summer , a series of activities will be held by the camp,for example , teaching
34、English songs , training dances and playing games.句式升级 2Every summer, there are a wide variety of activities ,such as English songs learning, dance training and games.【范文点评】范文点评English_summer_camp Would_y ouike_to_spe nd_the_summer_vacatio n_w范文文章格式正确,行文标准;文ith_your_frie nds?_Are_you_eager_to_practi
35、se_y章有血有肉,长短句结合得好,运用our_En glish_a nd_get_your_spoke n_En glish_impro了省略句、祈使句、倒装句等;文中ved_while_enjoyi ng_yourself?_Come_ on! Join us用词准确,语言地道,有很多关于词in the En glish Summer Camp !汇的用法,值得我们积累。海The_Summer_Camp_is_devoted_to the improvement报标题恰如其分,宣传夏令营;of its members En glish as well as the正文开头灵活使用冋句,使海
36、establishme nt of good in terpers onal报内容显得不呆板,同时又能起到渲relati on ships.Every summer, there are染的作用;a wide variety ofactivities, such as Englishbe devoted to高级词汇,增songs lear ning, dance training and games.The加作文亮点;members can lear n a lot in a relaxeda wide variety of 各式各样atmosphere .In this way,的,说明作
37、者的语言功底;not only do the members improve their Englis倒装句,文早句式多;h , they also learn how to get along well withIn addition另外,此外,othersn addition, the membership fee is上下文衔接好;low.Do nt hesitate any Ion ger祈使句,丰富文章句式,发出ioin us and enjoy your summer vacation!邀请,希望大家参加活动;School Stude nt Union结尾符合海报格式June 7,
38、 2021请根据以下内容写一篇海报。全球变暖问题越来越引起人们的关注, 它所产生的严重后果也逐渐为人所知。 为此,你 校学生会特意邀请了环保专家来校举办讲座, 专门就全球变暖问题产生的原因、 后果,以及 中学生如何应对全球变暖问题等将进行论述,并在演讲结束后答复同学们的提问。时间:星期五 8: 00 am 11: 00 am地点:大厅注意:1.词数100左右;2 可以适当增加细节,以使行文连贯。答案:A lecture on global warmi ngOrganized by the Students Union of our school, a lecture on global war
39、ming will be given in the hall on Friday, from 8 : 00 am to 11 : 00 am.An expert working forthe environment will give a lecture on the causes and the harmful effectsof globalwarming.Besides , he will state what we can do with the problem.At the end of the speech , we can ask him some questions about
40、 global warming.All are welcome!Stude nts UnionT hursdayA级根底过关I .单句语法填空填写空白处所需的内容(1个单词)或所提供单词的正确形式。1. The (present) of prizes began after the speeches.答案:presentation2. More (important), we can share the information with all of you.答案:importa ntly3. You may use the room as you like long as you clean
41、 it up afterwards.答案:so/as4. We have nt decided whether(go) camp ing next week.答案:to go5. Johns success has nothing to do with good luck.11 is years of hard workhas made him what he is today.答案:thatn.选词填空and so on ; if so ; under the circumstances; as long as ; on behalf of1. Since he is so importan
42、ta figure, nobody can behim.答案:on behalf of2. This shop sells clothes, shoes, hats, .答案:and so on3. Have you ever visited Thailand, and , when?答案:if so4. , youd better not tell him the bad news.答案: Under the circumstances5 She will go to his birthday party she is invited.答案: as long as川.完成句子1 John a
43、ccepted the championship award the team.约翰代表球队领取了冠军奖。答案: on behalf of2 What you have told me may my own position.你告诉我的一切,可能影响我自己的看法。答案: make a difference to3 I dont know how his parents his antics.我不知道他的父母是如何忍受他的怪异行为的。答案: put up with4 you drive carefully , you will be very safe.如果你开车小心,你就会很平安。答案: As
44、/So long as/On condition that5 If you know a foreign language you cantell your foreign friends about yourfamily , study , .如果你会说一门外语,你就能把你的家庭、学习等情况告诉你的外国朋友们。答案: and so onB 级 能力提升I 阅读理解阅读下面短文,从每题所给的四个选项A、B C和D中,选出最正确选项。Think about what you had for lunch : Was it a hamburger? A chicken sandwich ? Barb
45、ecue? What about vegetables? Would it surprise you to learn that what you eat can affect the whole planet?It can in a big way.New studies show how food and its product ion affect the globe and its warming climate.Youve probably heard of global warming: Thetemperature is on the rise because humankind
46、 has been releasing plenty of gases into the atmosphere.One of these greenhouse gases is carbon dioxide.What does this have to do with food ?A big part of the carbon dioxide that we put in the atmosphere every year comes from the process of making and eating food.The production of meat produces a lo
47、t of that carbon dioxide.Andmuch of meatscontribution comes from beef, which is responsible for releasing even more warming gases into the atmosphere.The process of making a hamburger, for example, requiresa lot of energy.A cowhas to be fed and raised on farmland, and cow waste is a major source of
48、methanean especially powerful gree nhouse gas.The cow has to be killed.The meat has to be processed and shipped to a shop,which takes fuel.Most of the cow wont even be used for meat that people eat.By the time a hamburger fin ally lands on a dinner plate, it has had a heavy effect on the en viro nme
49、nt.Weca n reduce the product ion of global warm ing gases by eati ng less beef.Other kinds of meat like pork and chicke n do less harm to the en vir onment at least interms of the amount of gree nhouse gasesreleased.All kinds of meat are harder on the pla net tha n vegetables.To grow and eat apound
50、of potatoes, for example, sends less tha n one quarter pound of carb on dioxide into the air.So changing our diet to less meat and more vegetables, as it turns out , may do the world some good.【语篇解读】新研究发现,食物也会对全球气候产生影响。1. The questions in the first paragraph are used toA. show the authors concern ab
51、out food safetyB. express the authors puzzlement at what to eatC. remi nd readers of someth ing delicious to eatD. introduce the topic to be discussed in the passage解析:推理判断题。作者在开头提出一系列问题是为了引入本文的话题:我们的饮食对气候变暖有一定影响。答案:D2. In the authors opinion, which of the following should be a great concernfor meat
52、 eaters?A. The process of producing meat can cause global warming.B. Most cows are raised in poor conditions.C. The re is a lot of carb on dioxide in meat.D. Animals suffer greatly as a result of global warming.解析:细节理解题。由第三段最后两句可知,生产肉类的过程会产生大量的二氧化碳, 并且生产牛肉的过程还会向大气中排放更多的温室气体。答案:A3. We can learn from
53、the passage thatA. eating beef is good for our healthB. it is not easy to make a hamburgerC. growing potatoes can help clean the airD. pork does less harm to the environment than beef解析:细节理解题。倒数第二段第一句提到, 人们可以通过少吃牛肉来减少温室气体的 排放量;紧接着第二句提到,在温室气体的排放量方面,其他肉类,如猪肉和鸡肉对环境的危害要小一些,因此 D项正确。答案:D4. The author wrot
54、e the passage in order toA. explain the importanee of eating meatB. advise people to keep a balaneed dietC. encourage people to choose a greener dietD. introduce some healthy foods to people解析:写作意图题。作者在文章的最后提出,我们应该改变饮食习惯,多吃蔬菜少吃肉, 这对整个世界都有好处。因此,作者写本文的目的是鼓励人们选择更环保的饮食。答案:Cn .七选五根据短文内容,从短文后的选项中选出能填入空白处的
55、最正确选项。选项中有两项为多余选项。When we are little, we know nothing about the rights and responsibilitiesof adulthood._1Therefore, if we like a certa in toy or if we want to eat acertain type of chocolate, we think that our parents will have to buy that for us.We dont care that they possibly have not eno ugh mone
56、y for that.If they dont carryout our wish , well begi n to cry._2_When ever we begi n to cry, well get what we want.Still, little by little, we realize that our parents cant offer us all thatwe want for certain reasons.We then also understand that parents have their rights.They have the right to scold
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