2017届高三一轮复习课件（广东版）选修6 Unit4 Global warming

　　◆ 即学即练 用所给动词的正确形式填空 (1)A large quantity of broken paper money ____________ (collect) by the bank.

　　(2)Large quantities of money ____________ (spent) on the bridge. (3)Large quantities of students ____________(kill) in the earthquake. 答案：(1)is collected　(2)have been spent　(3)were killed 4．They predict that any warming will be mild with few bad environmental consequences. (P27)他们预言说，变暖的情况不会很严重，对环境的影响也不会太坏。 ◆ 词语归纳 consequence n. 结果；后果；影响 consequent adj.随之发生的，由此引起的 in consequence因此，由此 in consequence of...由于……的缘故 consequently adv.因此，结果

　　as a consequence of...由于……导致的结果 ◆ 即学即练 用上述词语填空 (1)Over ten people lost their lives______________ the traffic accident. (2)______________being ill in hospital，Shelly decided that she wanted to become a nurse. (3)I missed the train and ____________ I was late for work. (4)Such a mistake would perhaps lead to disastrous _____________. 答案：(1)in consequence of

　　(2)As a consequence of　(3)consequently

　　(4)consequences

　　5.It will encourage a greater range of animals—all of which will make life for human beings better. (P27) 二氧化碳含量的增加会促进动物的生长——所有这些都能改善人类的生活。 ◆ 探究学习 阅读下列句子，注意体会range的意思 (1)There is a wide range of temperature. (n.种类；范围；幅度) (2)The number ranges between 5 and 15.(vi.在一定范围内变化) (3)Please range the goods neatly in the shop window. (vt.排列，整理) ◆ 词语归纳 range from...to...范围从……到…… beyond the range of超越…的范围 within range of...在……范围内 ◆ 即学即练 用上述词语翻译下列小片段 这家超市有种类繁多的商品。它们的价格从几元到几百元不等。根据它们的种类，售货员把它们整齐地排列在不同的货架上。 答案：

　　The supermarket keeps a wide range of goods. Their prices range from just only a few yuan to several hundred yuan. According to their varieties，the shop assistants range them neatly on the shelves. 6．Even if we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep on warming for decades or centuries (P27) 即使我们开始减少二氧化碳和其他温室气体的排放量，气候也要继续变暖几十年甚至几百年。 ◆词语辨析 keep on；keep up；keep off；keep up with ①keep on 继续（干），坚持（干） ②keep up 保持（下去），继续（下去） ③keep off 避开，不要踩（吃，谈等） ④keep up with 跟上，不落在……后面 ◆ 即学即练 用keep on，keep up，keep off与keep up with填空 (1)I've told him to stop，but he ____________ doing it. (2)____ the good work and you'll get very good marks in the exam. (3)They put up a sign on the meadow reading “_______ the grass”． (4)It's really difficult to ______ the computer technology these days. 答案：(1)kept on　(2)Keep up　(3)Keep off　(4)keep up with 7．We do not have to put up with pollution (P30) 我们不得不忍受污染。 ◆ 词语归纳 put up with忍受，容忍(＝bear/tolerate sth.)

　　put up 举起，搭建，张贴，留……住宿 put on 穿上，上演

　　put away 收起来，存蓄 put in 插嘴说，安装

　　put out 扑灭，出版 put off 推迟，让……下车

　　put down 写下，放下 ◆ 即学即练 用上述短语填空 (1)He found it difficult to____________ his father's criticism. (2)They are ____________several new houses on the street. (3)We just managed to ____________the fire__________ before any real damage was caused. (4)We are____________ the play____________ again next week owing to its success. (5)Never__________ till tomorrow what may be done today. (6)“But I object！” he ____________，suddenly and unexpectedly. (7)I will ____________that ____________in my notebook，so that I shall not forget it. (8)He ____________a little____________ every month for his grandchildren. 答案：(1)put up with　(2)putting up　(3)put；out　(4)putting；

　　on

　　(5)put off　

　　(6)put in　 (7)put；down

　　(8)puts；

　　away 景点介绍

　　写作指导

　　介绍景点时，要把景点名称、特点、作用、历史、现状等交待清楚，根据题目的具体要求，有时还要介绍该景点的来由、在当地政治经济生活中的地位。写作时要注意信息整合，可借助with的复合结构、分词短语等将众多信息整合为一个句子，以达到基础写作的要求。 ◆ 活学活用

　　你将带领一个外国旅游团参观长城，请根据以下的信息要点，用5个英语句子写一份长城的简单介绍。你的介绍应该包括全部的信息要点，介绍的开头已经给出，不计入5个句子中。

　　写作内容

　　请根据以下中文提纲，编写长城景点的英语介绍。

　　历史 有两千年的历史 特点 世界上最长的城墙，有6 000多千米。 建筑材料主要为石头，砖头，修建工作都是人工进行。 主要用于防御外来入侵者，沿墙每隔几百米就有烽火台(watchtower)。 现状 世界最著名旅游景点之一，每年吸引许多外国游客到长城观光旅游。 写作要求 只能用5个句子表达全部的内容。 评分标准 句子结构准确，信息内容完整，篇章结构连贯。 Welcome to the Great Wall. 答案：

　　Welcome to the Great Wall. Measuring 6,000 kilometers in length，the Great Wall，also known as the longest wall in the world，has a history of more than 2,000 years. What's amazing about the Great Wall is that it was mainly made of stones and bricks and almost all the construction was done by hand without any machine. The wall was built with the purpose of defending the country against invaders so there were watchtowers every few hundred meters along it. Now，as a symbol of China，the Great Wall has become one of the most famous tourist attractions in the world. No wonder that it attracts hundreds of thousands of foreign tourists every year. 祝 您 高考总复习·人教版·英语

　　选修 6　

　　Unit

　　4

　　Global warming

　　Part A．模仿朗读 请听课文录音，并跟读课文，注意语音、语调和停顿 Part B．角色扮演 角色：John and Jack 情景：John和Jack在讨论全球变暖的问题。 任务：请你扮演John，根据中文提示提出问题，请你的同桌扮演Jack，根据课文内容回答你的提问。 1．什么是温室气体？ ________________________________________________________________________ 2．什么是二氧化碳？ ___________________________________________ 3．全球气温上升的原因是什么？ ____________________________________________ 4．科学家们对全球变暖的后果意见一致吗？ _____________________________________________ 5．有没有人确切知道全球变暖的后果？ ___________________________________________ 答案； 1．Q：What are the “greenhouse gases”？ A：Greenhouse gases are byproducts of burning fossil fuels. 2．Q：What is carbon dioxide? A：Carbon dioxide is a gas produced when we burn fossil fuels. It is the most important gas of the greenhouse gases. 3．Q：What is the cause of global warming? A：Human beings burn more and more fossil fuels，which produces more and more carbon dioxide. When too much carbon dioxide is added into the atmosphere，more heat is trapped， 答案： causing the global temperature to go up. In a word，it is human activities that have caused global warming. 4．Q：Do the scientists hold the same opinion about the consequences of global warming? A：No. Some think global warming would be a catastrophe while others think it is a good thing. 5．Q：Does anyone know the accurate effect of global warming? A：No. No one knows the effect of global warming. Part C．故事复述 答案：

　　Greenhouse gases are byproducts of burning fossil fuels. Carbon dioxide，the most important gas of the greenhouse gases，is a gas produced when we burn fossil fuels. Human beings are burning more and more fossil fuels every day，which produces more and more carbon dioxide. When too much carbon dioxide is added into the atmosphere，more heat is trapped，causing the global temperature to go up. So，it is human activities that have caused global warming. No one knows for sure the effect of global warming. Some think it would be a catastrophe while others think it is a good thing. 请结合上述问题答案，用自己的话复述课文。

　　提示词：greenhouse gases，carbon dioxide，effect，catastrophe Ⅰ.写出下列必考单词

　　1.外部的adj.______________ 2．提倡，拥护，主张v.______________ 3．种类，范围n.______________ 4．图表n.______________ 5．普遍的，分布广的adj.______________ 6．平均的adj.______________ 7．环境，情况n.______________ 8．发动机n._______

　　9．承诺，信奉，交托n._______ 10．燃料n._______

　　11．温室，花房n._____ 12．资料，数据n.______ 13．大灾难 n．______

　　14．核的，原子核的adj._____ 答案：1．outer　2.advocate　3.range　4.graph

　　5．widespread　6.average　7.circumstance　8.motor　9.commitment 10．fuel　11.greenhouse　12.data

　　13．catastrophe　14.nuclear Ⅱ.写出下列单词的变化形式 1．消费，消耗v.________；消费者n.________ 2．新鲜的adj.________；使振作v.________ 3．趋向，照顾vi. & n. ________；倾向，趋势n.________

　　4．平稳的，稳固的adj.________；平稳地，稳固地adv.____________ 5．生存，存在v.________；生存，存在 n．________ 6．电的，与电有关的adj.________；电 n．________； 　电的，用电操作的adj.________ 7．现象n.________；(复数)n.________ 8．新的adj.________；重新开始，修订，使继续有效 v．____________；

　　能再生的adj.________ 9．结果，后果，影响 n．________；随之发生的，由此引起的adj.________ 答案： 1.consume；consumer　 2.fresh；refresh 3．tend；tendency　

　　4.steady；steadily 5．exist；existence

　　6．electrical；electricity；electric 7．phenomenon；phenomena

　　8．new；renew；renewable 9．consequence；consequent ◆ 活学活用 用所给单词的适当形式完成句子 1．Many people do not believe the ________ of the ghosts. but some young children doubt that there ________ all kinds of ghosts in the world. (existence) 2．When we got there，the ________ went off. The local told us that the ________ power there was not enough. (electrical) 3．He has made ________ progress in his study after he worked day and night ________for nearly a few months. (steady) 4．He ________ himself and walked out of the room to buy some ________vegetables. (fresh) 5．The storm ________to hit our city，but we will observe the ________ of it closely. (tend) 6．Yesterday evening a big fire ________ several buildings in the business town. It is reported that the ________ of it was a big loss to the province. (destroy) 答案；1．existence；exist　2.electricity；electrical 3．steady；steadily　4.refreshed；fresh 5．tends；tendency　6.destroyed；destruction Ⅲ.翻译下列必背短语 1．反对______________ 2．发生，造成______________ 3．同意，订购______________ 4．大量的 ______________ 5．上升，增长______________ 6．大体上，基本上______________ 7．代表……一方______________ 8．忍受，容忍______________ 9．只要______________ 10．等等______________ 11．温室效应______________ 12．继续 ______________ 答案；1．be opposed to　2.come about　3.subscribe to　4.a quantity of或quantities of 5．go up　6.on the whole　7.on behalf of 8．put up with　9.so long as　10.and so on　11.greenhouse effect　12.keep on ◆ 活学活用 根据括号中的解释，从“必背短语”中找出恰当的短语完成下列句子 1．I had no idea that your husband ____________ (be against，disagree with) my visits. 2．The chairman signed the document ______________ (standing for) the company. 3．It was a pretty good conference ____________(considering the general situation)． 4．____________(on condition that) we have fair opportunity，we are likely to win the match. 5．It is hard for me to ______________ (to tolerate or bear sb./sth) the ugly song. 6．Can you tell me how it ______________(to happen，arise) that your parents don't allow us to stay together? 答案：1．was opposed to　2.on behalf of 3．on the whole　4.As/So long as 5．put up with　6.comes about Ⅳ.重点句型 　Without the ‘greenhouse effect’，the earth would be about thirty-three degrees Celsius cooler than it is. (P26) 如果没有这种‘温室效应’，地球的温度将比现在的温度还要低33 摄氏度左右。 ⇨句型：without短语隐含一个虚拟条件，意为“要是没有……”。 同样的表达有 “but for”如： Without your help，we could not have succeeded. 要是没有你的帮助，我们是不会成功的。 But for the Captain's effort，all the people on board would have drowned in the sea. 要是没有船长的努力，船上所有的人都将已经在海里淹死了。 ◆ 模仿造句 (1)要是没有电，很多人仍将生活在黑暗之中。 Without electricity，many people _____________________________________________________________in darkness. (2)要不是你帮助我学习，我就不能通过考试了。 ________________________________________________________________________ 答案；　(1)would still live (2)But for your help in my study，I would have failed the exams. Or：Without your help in my study，I would not have passed the exam. Ⅴ.语篇领悟 根据课文The Earth is Becoming Warmer—But does It Matter？完成下列短文

　　There is no doubt __1__ the earth is becoming warmer but there is fierce debate over whether it is human activity that has caused this global warming or whether it is just a natural phenomenon.

　　Many scientists like Dr. Janice Foster believe that people have caused the increase in the earth's temperature __2__ burning of fossil fuels like coal，natural gas and oil to produce energy __3__ byproducts are called “greenhouse” gases，the most important one __4__ carbon dioxide. These gases trap heat from the sun and therefore warm the earth，without which the earth __5__(be)about thirty-three degrees Celsius cooler than it is. But increased amount of carbon dioxide means that __6__ heat energy is trapped in the atmosphere，__7__(cause)the global temperature to go __8__.

　　On __9__other hand，scientists like George

　　Hambley

　　believe that any warming will be mild with __10__ bad environmental consequences and more carbon dioxide is actually a positive thing. 答案：1.that

　　2.by

　　3.whose

　　4.being

　　5.wouldbe

　　6．more 7.causing

　　8．Up

　　9.the

　　10.few Ⅵ.考点活用

　　用本单元所学的词组、句型翻译下面短文

　　与过去一个世纪相比，地球表面的温度已经大约升高了一摄氏度。其实，我们也可以感受得到，我们越来越难以忍受夏天的炎热，也不习惯冬天的暖和。气温的升高已经对人类的健康、动植物的生存，生态系统的平衡产生了很大的影响。毫无疑问，人类的活动应该对环境的恶化负责任。条件允许的话，世界各国都应该采取措施努力改善环境。若没有全世界人们的共同奋斗，我们明天将会是怎样？ 答案：

　　Compared to the last century，the Earth's surface temperature has risen by about 1 degree centigrade today. As a matter of fact，we may feel that we can hardly put up with the much too hot summer and we can't get used to warm winter. The rise of the Earth's surface temperature has made much difference to human health，the existence of creatures and the balance of ecosystems. here is no doubt that human being's activities are responsible for the bad environment. Conditions permitting，all countries in the world should spare no effort to improve our environment. Without all people's common efforts，what would our future be like? 1.But it is a rapid increase compared to most natural changes.但是跟其他自然变化比起来，它(气温)的变化是很快的了。(P26) ◆ 探究学习 阅读下列句子，注意体会compare to/compare...with的意思 (1)Compared to many poor students，she was lucky.(与……相比) (2)We often compare teachers to gardeners.(把……比作……) (3)If you compare this book with that one，you'll find many differences.(把A和B进行比较) ◆ 即学即练 用上述短语完成句子 (1)她告诉她自己，和很多妇女比起来，她已经很幸运了。 She told herself that ______________ many women，she was already very lucky. (2)莎士比亚把世界比做一个舞台。 ________________________________________________ (3)和他所拥有的比起来，这些邮票不是很有趣。 __________________________________________________________________ (1)compared to (2)Shakespeare compared the world to a stage. (3)Compared with what he had already，these stamps were not very interesting. 2．All scientists subscribe to the view that the increase in the earth's temperature is due to the burning of fossil fuels like coal，natural gas and oil to produce energy. (P26) 所有的科学家赞同这种观点：人们为了生产能量而燃烧化石燃料(如煤、天然气和石油等), 从而引起了地球温度的升高。 subscribe to同意， 赞同 (P18)

　　◆ 即学即练

　　完成下列句子 (1)他们订阅了什么杂志？ ________________________________________________________________________ (2)No one but mad people would ________________________________.(同意这种观点) 答案：(1)Which journals did they subscribe to? (2)subscribe to this point of view 3．The problem begins when we add huge quantities of extra carbon dioxide into the atmosphere. (P26)而当我们使大气层中增加了大量额外的二氧化碳时，问题就来了。 温馨提示：a quantity/quantities of大量(+可数或不可数名词),a vast/large/great/good/small/quantity of大量的(+可数或不可数名词)；无论a quantity of后面的名词是可数还是不可数，谓语动词都要用单数；无论quantities of后面的名词是可数还是不可数，谓语动词都要用复数。 高考总复习·人教版·英语