譯林牛津版必修五Unit3-project教學(xué)課件(共48張ppt).ppt

Unit 3 Science and nature Project,1. Improve students ability and provide practice； 2. Master and use some useful words and expressions； 3. Have a debate to express and support your opinions.,Are they beautiful?,Man and nature,clear-cut logging,opencast mining,slash and burn farming,As a result of mankind and technology, natural resources have been seriously affected and natural disasters attack us frequently!,desertification,drought,acid rain,flood,How do people harm nature? 2. Do you think the problem of humans winning and nature losing can be settled?,People have harmed nature through agriculture, fishing, hunting and tourism.,Yes, it should not be a question of humans winning and nature losing.,Read the first passage on Page 58 and then answer the following questions:,Fast reading,Read the article and give the main idea for each paragraph.,_ have been seriously affected by carelessness.,_ towards the problem.,Natural resources,Different attitudes,Careful reading,Humans are moving towards _.,Humans can only really win by _.,an important point in the relationship with nature,protecting nature,Paragraph 1,Further reading,The ways people over develop Earths resources:,?,Paragraph 2,Different attitudes towards the problem.,Use nature to meet our needs,Only a clean environment can benefit us all.,T or F 1. Both poorer and developed nations pay more attention to economic development but less to the environment. 2. Because of everyday needs, many poorer nations are using up natural resources rapidly. 3. Developing and developed countries should work together to make people have healthy and productive lives, suffering the environment . 4. Humans are moving towards an important point of understanding in the relationship with nature.,T,F,T,F,Poorer nations pay more attention to economic development while developed nations do things in a different way,Developing and developed productive lives, without the environment around them suffering,The main idea： A. Through the development of economy, nature will become better at the same time. B. Human can really win by protecting nature. C. Just protect nature, then man will have a better future.,Paragraph 4,B,1. What have people done to nature? 2. If we continue in this way, what might happen?,They have done a lot to destroy and damage nature.,The planet we live on will be eventually destroyed.,Read the passage again and then answer more questions.,3. What different attitudes towards environmental conservation do they have?,If we focus only on environmental conservation, then people may suffer. Should the economic development be stopped in favour of nature? We are only doing what humans have always done, using nature to meet our needs.,One side:,Such thinking may cause a catastrophe, unless we start to look around and understand how a clean environment benefits us all.,The other side:,4. What is the attitude of poorer nations towards the problem? What about the attitude of developed nations?,Many developed nations are now concerned about saving nature while many poorer nations pay more attention to economic development but less to the environment.,For a long time, our _ _ have been seriously affected by people in many ways such as _, _, _, tourism and so on. In order to live, people have to use nature to _ needs. But if we only focus on _ _, then people may suffer. Fortunately, humans are moving towards an important point of _ in the relationship with nature.,natural,resources,agriculture,fishing,hunting,environmental,conservation,understanding,meet,Summary,Both_ and _ countries should work together to ensure that people enjoy _ and _lives, _ the environment around them suffering. Humans can only really win by _ _. Its mankinds responsibility to find _ that are _ for everyone and everything.,healthy,happy,without,protecting,nature,solutions,acceptable,developing,developed,Group work,As far as we are concerned, what can we do to help protect nature?,Fast reading,How can a plant or an animal be genetically modified?,GM food: hope or danger?,First, new material can be inserted into its DNA to give the plant or animal qualities which it would never have in nature. Second, material can be taken from the DNA of a plant or an animal in order to remove qualities which are not desired.,GM food,What is GM food? How is food genetically modified?,food that has been genetically modified To insert new material into its DNA; To take undesired material from its DNA,Careful reading,Hope,Danger,GM plants are able to defend themselves against pests and disease better. GM plants are healthier and have larger harvests.,GM food could be dangerous for people to eat. GM food could be unsafe for the environment.,Discuss the collected information and tick the strong points to be the start and the end. Make a list of all your points. Think about the opposite points and think about how to argue against them.,Preparing,Having a debate,Practise in your group to check everyones task. Practise many times to make it better. Decide the time of each section.,Producing,Presenting,Present the debate in front of class. Display your research on the wall when debating. Make rules of winning before the debate and check which group wins in the end.,Would anyone say that development should be stopped in favour of nature? 難道我們?yōu)榱吮Ｗo(hù)自然就應(yīng)該停止發(fā)展嗎？,1. in favour of 有利于;贊同（接名詞、代詞和動(dòng)名詞）,Im in favour of your plan. 我贊同你的計(jì)劃。 Most people voted in favour of the candidate. 大部分人都投票支持這個(gè)候選人。,Language points,【拓展】,ask a favour of sb. 拜托某人 do sb. a favour = do a favour for sb.幫助某人 find favour with a person 受青睞 favour sb. with sth. 對(duì)某人施恩惠,When asked about their opinions about the schoolmaster, many teachers would prefer to see him step aside _ younger men. in terms of B. in need of C. in favour of D. in praise of,C,From the point of view of some people, we are only doing what humans have always done, using nature to meet our own needs. 根據(jù)有些人的觀點(diǎn)，我們只是在做人類一直在做的事情，利用自然滿足我們自己的需求。,2. point of view 觀點(diǎn)；著眼點(diǎn),We should tune them in to our point of view. 我們應(yīng)讓他們了解我們的觀點(diǎn)。,【辨析】,view / opinion / idea (1)view側(cè)重于對(duì)比較廣泛、重大或者有關(guān)公眾問題所采取的態(tài)度，是比較固定、系統(tǒng)、全面的見解 (2)opinion是對(duì)某事或某人持有的看法或輿論 (3)idea是處理某事的計(jì)劃、判斷、理解或?qū)ζ鋵?shí)現(xiàn)之可能性進(jìn)行評(píng)測(cè)。,using nature to meet our own needs是現(xiàn)在分詞短語在句中作狀語，表示方式。,People developed a way of printing, using rocks.但是以后，人們利用石塊發(fā)展了印刷術(shù).,Please answer the question using another way.請(qǐng)用另一種方式回答這個(gè)問題。,The sun began to rise in the sky, _ the mountain in golden light.(2013湖南高考) A. bathed B. bathing C. to have bathed D. have bathed,【解析】選B。考查非謂語動(dòng)詞。動(dòng)詞bathe與主語the sun之間為主動(dòng)關(guān)系，且表示進(jìn)行，故選B。,While many people are excited about these new technologies, these same technologies frighten others. 盡管許多人對(duì)這些新技術(shù)感到興奮，但其他人則對(duì)這些同樣的技術(shù)感到害怕。,while 意為 “盡管；雖然”。,While I admit his good points ，I can see his shortcomings.,While he loves his students, he is very strict with them.,_ I always felt I would pass the exam, I never thought I would get an A. A. While B. Once C. If D. Until,【解析】選A。句意：盡管我老覺得我會(huì)通過考試，然而，我從來不曾想過會(huì)得“A”。根據(jù)上下文可以看出，題干需要一個(gè)引導(dǎo)讓步狀語從句的連詞。while在這里等于though。,4. Nowhere is this truer than with genetically modified (GM) food. 轉(zhuǎn)基因食品就是最好的例子。,這是一個(gè)倒裝句否定副詞nowhere置于句首時(shí)，構(gòu)成了倒裝句。當(dāng)否定副詞置于句首時(shí)，句子需要倒裝。常見的副詞有：not、never、seldom、hardly、nowhere等。,Seldom do I go to work by bus. 我很少乘公共汽車上班。,Not once _ to Michael that he could one day become a top student in his class. A. occurred it B. it did occur C. it occurred D. did it occur,【解析】選D。考查倒裝。否定詞（短語）放于句首，句子要部分倒裝，此處即將助動(dòng)詞did放于主語it之前。故答案選D。,We further damage earth by constructing new water construct: v. 建造，建設(shè)，構(gòu)造 construction n. 建造，建設(shè) constructive adj. 有建設(shè)性的，有幫助的 under construction 正在修建 The story is skillfully constructed. 故事的構(gòu)思相當(dāng)巧妙。,2. development should be stopped in favour of nature? in favour of: 有利于，贊同（接名詞、代詞和動(dòng)名詞） ask a favour of 拜托某人 do sb. a favour = do a favour for sb. 幫助某人 find favour with a person 受青睞 favour sb. with sth.對(duì)某人施恩惠,3. From the point of view of sb point of view :觀點(diǎn)，著眼點(diǎn) view: n. 觀點(diǎn)，看法，見解 辨析：view / opinion / idea view側(cè)重于對(duì)比較廣泛、重大或者有關(guān)公眾問題所采取的態(tài)度，比較固定、系統(tǒng)。全面的見解； opinion是對(duì)某事或某人持有的看法或輿論 idea是處置某事的計(jì)劃、判斷、理解或?qū)ζ鋵?shí)現(xiàn)之可能性進(jìn)行評(píng)測(cè),He holds an opinion opposite to our. 他持有與我們相反的意見。 Do you have any idea of what Im trying to explain?你知道我努力要解釋的是什么嗎？ Different social classes hold different political views.不同的社會(huì)階級(jí)有不同的政治觀點(diǎn)。,4. Other people argue that argue: v. 爭(zhēng)辯，辯論，主張 argue with sb. about /over sth. 因某事同某人爭(zhēng)論 argue for / against sth. 為贊成或反對(duì)某事而爭(zhēng)辯 argue that 主張 argu