学术英语-理工-lecture11-原文
学术英语(理工)详解答案_Unit 3
1 Preparing for listening
to a lecture
Unit 3 Listening to Lectures
1 Preparing for listening to a lecture
Tips before listening to a lecture:
1) Find out the topic of the lecture to be delivered.
Unit 3 Listening to Lectures
2 Paying attention to the introduction
Read the following introductions of two lectures and guess the topic and content of each of them.
2 What is the relationship between carbon dioxide, greenhouse gases and the thinning ozone layer with global warming? Carbon dioxide is a greenhouse gas. Burning oil, coal and fossil fuels leads to a sharp increase in the greenhouse gas which build up and condense, forming a thick gas layer of carbon dioxide. This gas traps heat from the sun and destroys the ozone layer, the layer which protects the Earth from harmful radiation, causing global warming.
(完整word版)学术英语理工类课后题答案(word文档良心出品)
Reading: Text 11.Match the words with their definitions.1g 2a 3e 4b 5c 6d 7j 8f 9h 10i2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets. Change the form if necessary.1 symbolic 2distributed 3site 4complex 5identify6fairly 7straightforward 8capability 9target 10attempt11process 12parameter 13interpretation 14technical15range 16exploit 17networking 18involve19 instance 20specification 21accompany 22predictable 23profile3. Read the sentences in the box. Pay attention to the parts in bold.Now complete the paragraph by translating the Chinese in brackets. You may refer to the expressions and the sentence patterns listed above.ranging from(从……到)arise from some misunderstandings(来自于对……误解)leaves a lot of problems unsolved(留下很多问题没有得到解决)opens a path for(打开了通道)requires a different frame of mind(需要有新的思想)4.Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人(或即使造成危害,但并非故意而为),而“骇客”才是真正的坏人。
学术英语理工类 text11 Abstract
核电的风险摘要:核电的风险主要来自辐射对健康的危害,这些辐射主要来自于放射性材料。
他们可以穿透人体深处,破坏生物细胞,从而引发癌症;如果他们破坏生殖细胞,可能导致遗传疾病。
但是后者发生的概率远小于前者。
核反应堆事故也是核电的风险之一,由于具有纵深防御的策略,它们发生的几率非常小。
但是一旦发生,非常高的辐射剂量可以摧毁身体功能和在60天内导致死亡。
核工业的放射性废物必须与人隔离很长时间,放射性的大部分包含在乏燃料,而且体积小,因此非常容易处理。
在其它辐射问题上,如在核材料的开采和放射性物质的运输处理时也会产生辐射。
但放射性物质从核电站释放的对人类健康的影响在某种程度上取决于它的处理方式。
关键词:辐射、风险、核反应堆事故、放射性废品。
Risks of Nuclear PowerAbstract:The principal risks associated with nuclear power arise from health effects of radiation.The radiation mainly comes form the radioactive material.They can penetrate deep inside the human body where they can damage biological cells and thereby initiate a cancer. If they strike sex cells, they can cause genetic diseases in progeny.But the rate of the latter is far less than the former. Reactor accidents is also one of the risk of nuclear power.But the nuclear power plant design strategy for preventing accidents ,back-up system and mitigating their potential effects is “defence in depth”, so they happen probability is exceedingly small. If they all fails,very high radiation doses can destroy body functions and lead to death within 60 days.The radioactive waste products from the nuclear industry must be isolated from contact withpeople for very long time periods. The bulk of the radioactivity is contained in the spent fuel, which is quite small in volume and therefore easily handled with great care. At other radiation problems,for example, exploitation of materials and transport of radioactive materials also produce radiation.The effects of routine releases of radioactivity from nuclear plants depend somewhat on how the spent fuel is handled.Key words:radiation,risks,reactor accidents,radioactive waste。
理工-第十一篇 When Our Eyes Serve Our Stomach
第六篇 Making Light of1 SleepAll we have a clock located inside our brains. Similar to your bedside alarm clock,your internal clock2 runs on a 24-hour cycle. This cycle,called a circadian rhythm,helps control whenyou wake,when you eat and when you sleep.Somewhere around puberty,something happens in the timing of the biological clock. The clock pushes forward,so adolescents and teenagers are unable to fall asleep as early as they used to. When your mother tells you it's time for bed,your body may be pushing you to stay up3 for several hours more. And the light coming from your computer screen or TV could be pushing youto stay up even later.This shift4 is natural for teenagers. But staying up very late and sleeping late can get your body's clock out of sync with the cycle of light and dark5. It can also make it hard to get out of bed in the morning and may bring other problems,too. Teenagers are put in a kind of a gray cloud6 when they don't get enough sleep,says Mary Carskadon,a sleep researcher at Brown University in Providence,RI7 .It affects their mood and their ability to think and learn.But just like your alarm clock,your internal clock can be reset. In fact,it automatically resets itself every day. How? By using the light it gets through your eyes.Scientists have known for a long time that the light of day and the dark of night play important roles in setting our internal clocks. For years,researchers thought that the signals that synchronize the body's clock8 were handled through the same pathways that we use to see.But recent discoveries show that the human eye has two separate light-sensing systems. One system allows us to see. The second system tells our body whether it's day or night.词汇:circadian/s3:'keidiən/ adj. 昼夜节奏的,生理节奏的adolescent/ædəu'lesənt/ n.青少年;adj.青少年的puberty/ 'pju:bəti/ n.发育;青春期sync/siŋk/ n. (口语)同步;和谐,协调synchronize/'siŋkrənaiz / V.(使)同时发生;(使)同步注释:1.make light of :轻视,不在乎。
Lecture Eleven
• American Realism has its salient features: • verisimilitude of details derived from observation • representative in plot, setting and character • an objective rather than an idealized view of human experience
Lecture Eleven
The Age of Realism and Howells
• Truth to life is the supreme office of the novel, in whatever form___William Dean Howells
Contents for this Lecture
Some Comments on Howells’ Literary Status
• His optimistic views in his novels in a sense do harm to his literary reputation, especially in the early part of the 20th century.(“the happy continent”; “smiling aspects”) • In spite of some weakness, such as lack of depth, in his novels, Howells is still a major figure if not great in American literature.
Howells as a Critic
• His definition of realism as a quest of the average and the habitual rather than the exceptional or the uniquely high or low: “common feelings of commonplace people”;”talk of some ordinary traits of American life”;“fidelity to experience and probability of motive”; etc. • Realism as a concern with psychological conflicts instead of mere photographic pictures of externals. • Truth with morality is the highest beauty. • The job of a critic is to describe, interpret instead of arbitrarily evaluating.
Lecture 11
Exercise: write a personal letter
• 写信给你的大学英语老师,告诉他/她你的 学习近况,尤其是目前学习外语中遇到的 问题和困难,并向他/她征求意见。
Opening
1. By greeting or showing concerns (usually questions) Hi! How are things with you? How is everything going? How is your family? How times flies! It is three month since I saw you last. Wrong: I meant to write sooner but I’ve been so busy.
• • • •
•
2. By mentioning a recent event
• Your letter of July 6th came to me this morning and l love it. • Thanks so much for the great birthday present. • I am sorry to hear about the death of your dog, Barky. • I’ve just heard that you lost your job at the Academia Institute.
Lecture 11
Personal Letters
Diverse purposes
• • • • • • • • • Invitation Thanks Congratulation Apology Arrangements Self-introduction Inquiry Complaint Love
外研社2024学术英语(理工)(第二版)-U6课件
Unit Contents
1 Critical reading
Critical thinking (distinguishing between facts and opinions) Understanding the text Enhancing language ability Doing research projects
1. What example does the speaker give when he describes the size of nanometer? A nanometer is even smaller than a hundred-thousandth the width of a human hair.
2. Why does the speaker mention Star Trek, an American science fiction series? What we thought unbelievable can become a very real possibility.
3. What’s the function of assemblers? They can replicate themselves and produce anything.
word and phrase in each row may not be a synonym for
the words or phrase in bold. Cross it out if any. (P226)
Paras. 1-10
1○
2○
3○
6 drastically 7 ○
8○
4 conduct 9○
1. Critical Reading
学术英语理工Abstract
Text 1Computer vulnerabilities are often utilized by hackers or crackers. The security of each computer i s challenging. This paper firstly redefines the term “hacker”, “cracker” and “getting inside ” the computers and describes the procedure in detail. The term “unauthorized user” (UU) will be a better choice for defining the insider group. The known and unknown vulnerabilities will be t aken advantage of by UUs ranging from poor password protection to leaving a computer turned on and physically accessible to visitors in the office. The first step of employing technical exploits wi ll be the determination of the specifications of the target system. There are two ways of attacking i ncluding being through capabilities inherent in hypertext transfer protocol and being preprogram med against specific vulnerabilities and launched without any specific target. The variability of ha cking action including the weak system and the strong system warns the users to choose the right way to protect the computer and do not authorize the computer to others easily. Lastly, the solution of avoiding vulnerabilities has been given, including updating patches, making complex password s, getting information only from the reliable websites or services, updating antivirus software and backing up the data to protect the computer not being hacked.Text 3Cloud of computing is allowing you to use services that include infrastructure applications ,and storage space for a nominal fee. It should be able to quickly allot and relieve resou rces whenever required by clients and cater to the needs of clients without having to invo lve clients into management of the service and have real- time backup to offer maximum up time clients. The type of cloud services includes software as a service ,platform as a s ervice ,infrastructure as a service .The advantages of cloud computing under green computi ng include reducing the consumption of electricity while also reducing emissions that dam age the environment ,saving the environment while also saving on the expenses incurred d ue to a demand for expansion ,and allowing you to let you employees telecommute. Then ,here is a summary about the advantages of cloud computing: remote accessibility , easy expansion ,security and environmentally friendly.Text 4Today, “Cloud Computing”has became a popular word. This paper focuses on security benefits of cloud computing. The future of the Internet belongs to the web 3.0, also called the intelligent web which can be seen as a new way of creating and using applications that can run on different devices and having the data stored into the cloud. The cloud means the Internet, and the current cloud computing architecture involves the existence of data centers that are able to provide services to the clients located all over the world. The cloud clients could be regular PCs, mobile phones, PDAs or any other similar devices. Cloud computing allows to move the processing effort from the local devices to the data center facilities. In these conditions, the security of data and applications becomes a very a major issue. The cloud computing has lots of advantages, of course there are some disadvantages. And the cloud computing provides some major security benefits for individuals or companies. Such as centralized data storage monitoring of data access become easier and so on. Cloud computing is still at the beginning. So the list remains wide open for newentries. Today, the information infrastructure is moving faster to a simple but very innovative concept called cloud computing. Many devices are cloud compatible in this context. Cloud computing is potentially able to offer major security benefits.Text 5With the development of social and technology, Artificial intelligence may replace human jobs in the future. There are a lot of news that reported artificial intelligence has play a important role in our life. For decades. People wrote about how machines replace humans. It will be better or ill. But all expected did not come. Around the time of the Revolution. Most of Americans worked in the farm. They farmed to keep themselves alive. With the development of traffic. Farming increasingly became a cash business. But as the agricultural industry grew, there are fewer and fewer workers who worked at farming and ranching. Today agricultural provides fewer than two million jobs. Because of automation happened. It bring better plows, planting and sowing machines. Agricultural become more and more scientific. The farmers’ children found new kinds of jobs in the city, they do not like stay on the farm. The early water-and-steam-powered factories also displace millions of craftsmen, because machine-handing factory workers made the goods better than the goods made by craftsmen. So that the number of factory jobs growing rapidly at that time. The automation of farming, craft work and manufacturing made products. Among them, food become cheaper and cheaper, so people can save money from food, then spend money on other expensive goods. Will A.I. machines take over the best occupations? The author is optimist and may not agree that machines will replace human jobs.Text 6Game theory Game theory is the science of strategy and was pioneered by Princeton mathematician John V on Neumann. In the early years the emphasis was on games of pure conflict. Other games were considered in a cooperative form. Games are different from decisions made in a neutral environment. The essence of a game is the interdependence of player strategies. There are two distinct typesof strategic interdependence:sequential and simultaneous. The logical circle is squared using a concept of equilibrium developed by the Princeton mathemat cian John Nash. Nash’s notion of equilibrium remains an incomplete solution to the problem of circular reasoning in simultaneous-move games. Some games have many such equilibrium while others have none. And this notion has some flaws. In spite of it,the concept has proved extremely useful in analyzing many strategic interactions. There are some examples of strategic interaction illustrate some of the fundmentals of game the ry:the prisoners’dilemma,mixing moves and strategic moves. Recent advances in game theory have succeeded in describing and prescribing appropriate strategies in several situations of conflict and cooperation. But the theory is far away from complete,and in many ways the design of successful strategy remains an art.Text 8At the begin of this article ,it states that there are unprecedented multidisciplinary convergence scientists dedicated to the study of a world so small that we can’t see it—even with a light microscope and tells us the important of nanotechnology .Then in order to understand the unusual world ofnanotechnology ,we need to get an idea of the units of measure involved .The long of one nanometer is so small .When we measure the atomic scale ,we can find that it’s still small compare to the nannmeter ,But in a lecture called “Small Wonders :The World of Nanoscience ”,Nobel Prize winner Dr .Horst Stormer said that the nanoscale is more interstesting than the atomic scale because the nanoscale is the first point where we can assemble something—it’s not until we start putting atoms together that we can make anything useful .Then the article states that some predictions of nanotechnology such as the use of the rule of quantum mechanics ,nanorobot .It states that there great value in nanotechnology in future.Text 9Global warming has been a global issue for many years now.However, the most prominent effect of global warming exists in the climate change over the past years. It causes the oceans warmer, the intensity of hurricanes amplifies in power and devastation. Another area affected by global warming is the animal kingdom and nature.The number of animals has been decreasing and the various disease has spread to new regions across the globe. A third type of evidence of global warming can be found in plants. The leading cause of global warming is the ongoing burning of fossil fuels, which releases carbon dioxide into the atmosphere. Although carbon dioxide largely harms the environment, the other greenhouse gases have a large impact in the atmosphere. Throughout the world, various nations have been joining to help prevent or slow the process of global warming. The issue of global warming affects nature, people, and the economy. Scientists directly link disease to global warming. When people are trying to get others involved in the cause, a common problem that arises is the lack of motivation. In conclusion, the world needs to put forth a stronger effort to prevent global warming. And the mitigation of global warming, we should do from ourselves, from the little things around.Text 10This article introduces what is global warming firstly, moreover there is a dispute lies in whether or not the global warming caused by human or results from the natural turnabout. There is a series figure point out that during the past 70 years, the earth has been hotter than at any other time in the last millennium which only spend few decades. The rising temperature trend can not be explained simply, it’s a consequence of 2 centuries of pollution .What’s more, due to the inherent inertia of this trend , we cannot immediately stop but only slow down. In fact, carbon dioxide levels in the atmosphere are rising for a long time ,moderating temperature swings and extremes, but our pollution is now strongly enhancing this greenhouse effect. However because the climate machine is complex, the sunspot cycle also play a role in it as well as volcanic eruptions. Attempting to pin down the true variation in global temperatures over the past thousand years is difficult because there still are evidences which can deny it. But of course , this was not the intention of the experiment at all . Indeed ,it is only in recent decades that the pollution effect of human activities on the global environment has been thought of in these terms. Even if both temperatures and sea levels would continue to rise for centuries to come, we are going to face the changes to our environment. And our children and their descendants are going to find the earth a very different place.Text 11The principal risks associated with nuclear power arise from health effects of radiation.The radiation mainly comes form the radioactive material.They can penetrate deep inside the human body where they can damage biological cells and thereby initiate a cancer. If they strike sex cells, they can cause genetic diseases in progeny.But the rate of the latter is far less than the former. Reactor accidents is also one of the risk of nuclear power.But the nuclear power plant design strategy for preventing accidents ,back-up system and mitigating their potenti al effects is “defence in depth”, so they happen probability is exceedingly small. If they all fails,very high radiation doses can destroy body functions and lead to death within 60 days.The radioactive waste products from the nuclear industry must be isolated from contact with people for very long time periods. The bulk of the radioactivity is contained in the spent fuel, which is quite small in volume and therefore easily handled with great care. At other radiation problems,for example, exploitation of materials and transport of radioactive materials also produce radiation.The effects of routine releases of radioactivity from nuclear plants depend somewhat on how the spent fuel is handled.Text 15Genetically modified food caused a fierce debate in the modern society, especially in long agrarian tradition and vocal green lobbies in the country。
学术英语-理工-lecture11-原文
Lecture 11 Four lessons about climate crisisI’m really scared. I don’t think we’re gonna make it. Probably by now most of you have seen Al Gore’s amazing talk. Shortly after I saw that, we had some friends over for dinner with the family. The conversation turned to global warming, and everybody agreed, there’s a real problem. We’ve got a climate crisis. So, we went around the table to talk about what we should do. The conversation came to my 15-year-old daughter, Mary. She said, “I agree with everything that’s been said. I’m scared and I’m angry.” And then she turned to me and said, “Dad, your generation created this problem, you’d better fix it.” Wow. All theco nversation stopped. All the eyes turned to me. (Laughter) I didn’t know what to say. Kleiner’s second law is, “There is a time when panic is the appropriate response.” (Laughter) And we’ve reached that time. We cannot afford to underestimate this problem. If we face irreversible and catastrophic consequences, we must act, and we must act decisively. I’ve got to tell you, for me, everything changed that evening.And so, my partners and I, we set off on this mission to learn more, to try to do much more. So, we mobilized. We got on airplanes. We went to Brazil. We went to China and to India, to Bentonville, Arkansas, and to Washington, D.C. and to Sacramento. And so, what I’d like to do now is to tell you about what we’ve learned in those journeys. Because the more we learned, the more concerned we grew. You know, my partners atKleiner and I were compulsive networkers, and so when we see a big problem or an opportunity like avian flu or personalized medicine, we just get together the smartest people we know. For this climate crisis, we assembled a network, really, of superstars, from policy activists to scientists and entrepreneurs and business leaders. Fifty or so of them. And so, I want to tell you about what we’ve learned in doing that and four lessons I’ve learned in the last year.The first lesson is that companies are really powerful, and that matters a lot. This is a story about how Wal-Mart went green, and what that means. Two years ago, the CEO, Lee Scott, believed that green is the next big thing, and so Wal-Mart made going green a top priority. They committed that they’re gonna take their existing stores and reduce their energy consumption by 20 percent, and their new stores by 30 percent, and do all that in seven years. The three biggest uses of energy in a store are heating and air conditioning, then lighting, and then refrigeration. So, look what they did. They painted the roofs of all their stores white. They put smart skylights through their stores so they could harvest the daylight and reduce the lighting demands. And third, they put the refrigerated goods behind closed doors with LED lighting. I mean, why would you try to refrigerate a whole store? These are really simple, smart solutions based on existing technology.Why does Wal-Mart matter? Wel l, it’s massive. They’re the largestprivate employer in America. They’re the largest private user of electricity. They have the second-largest vehicle fleet on the road. And they have one of the world’s most amazing supply chains, 60,000 suppliers. If Wal-Mart were a country, it would be the sixth-largest trading partner with China. And maybe most important, they have a big effect on other companies.When Wal-Mart declares it’s gonna go green and be profitable, it has a powerful impact on other great institutions. So, I tell you this: When Wal-Mart achieves 20 percent energy reductions, that’s gonna be a very big deal. But I’m afraid it’s not enough. We need Wal-Mart and every other company to do the same.The second thing that we learned is that individuals matter, and they matter enormously. I’ve got another Wal-Mart story for you, OK? Wal-Mart has over 125 million U.S. customers. That’s a third of the U.S. population. Sixty-five million compact fluorescent light bulbs were sold last year.And Wal-Mart has committed they’re gonna sell another 100 million light bulbs in the coming year. But it’s not easy. Consumers don’t really like these light bulbs. The light’s kind of funny, they won’t dim, takes a while for them to start up. But the pay-off is really enormous. A hundred million compact fluorescent light bulb means that we’ll save 600 million dollars in energy bills, and 20 million tons of CO2 every year, year in andyear out. It does seem really hard to get consumers to do the right thing. It is stupid that we use two tons of steel, glass, and plastic to haul our sorry selves to the shopping mall. It’s stupid that we put water in plastic bottles in Fiji and ship it here. (Laughter)It’s hard to change consumer behavior, because consumers don’t know how much this stuff costs. Do you know? Do you know how much CO2 you generated to drive here or fly here? I don’t know, and I should. Those of us who care about all this would act better if we knew what the real costs were. But as long as we pretend that CO2 is free, as long as these uses are nearly invisible, how can we expect change? I’m really afraid, because I think the kinds of changes we can reasonably expect from individuals are gonna be clearly not enough.The third lesson we learned is that policy matters. It really matters. In fact, policy is paramount. I’ve got a behind-the-scenes story for you about that green tech network I described. At the end of our first meeting, we got together to talk about what the action items would be, how we’d follow up. And Bob Epstein raised a hand. He stood up. You know, Bob’s that Berkeley techie type who started Sybase. Well, Bob said the most important thing we could do right now is to make it clear in Sacramento, California that we need a market-based system of mandates that’s gonna cap and reduce greenhouse gases in California. It’s necessary and, just as important; it’s good for the California economy.So, eight of us went to Sacramento in August and we met with the seven undecided legislators and we lobbied for AB32. You know what? Six of those seven voted yes in favor of the bill, so it passed, and it passed by a vote of 47 to 32. (Applause) Please don’t. Thank you. I think it’s the most important legislation of 2006. Why? Because California was the first state in this country to mandate 25 percent reduction of greenhouse gases by 2020. And the result of that is, we’re gonna generate 83,000 new jobs, 4 billion dollars a year in annual income, and reduce the CO2 emissions by 174 million tons a year. California’s only 7 percent of U.S. CO2 emissions. It’s only a percent and a half of the country’s CO2 emissions. It’s a great start, but I’ve got to tell you—where I started—I’m really afraid. In fact, I’m certain California’s not enough.Here’s a story about national policy that we could all learn from. You know Tom Friedman says, “If you don’t go, you don’t know?” Well, we went to Brazil to meet Dr. Hussain Goldemberg. He’s the father of the ethanol revolution. He told us that Brazil’s government mandated that every gasoline station in the country would carry ethanol. And they mandated that their new vehicles would be flex-fuel compatible, right? They’d run ethanol or ordinary gasoline. And so, here’s what’s happened in Brazil. They now have 29,000 ethanol pumps—this versus 700 in the U.S., and a paltry two in California—and in three years their new car fleet has gone from 4 percent to 85 percent flex-fuel. Compare that to the U.S.,5 percent are flex-fuel. And you know what? Most consumers who have them don’t even know it. So, what’s happened in Brazil is, they’ve replaced 40 percent of the gasoline consumed by their automotive fleet with ethanol. That’s 59 billion dollars since 1975 that they didn’t ship to the Middle East. It’s created a million jobs inside that country, and it’s saved 32 million tons of CO2. It’s really substantial. That’s 10 percent of the CO2 emissions across their entire country. But Brazil’s only 1.3 percent of the world’s CO2 emission. So, Brazil’s ethanol miracle I’m really afraid is not enough. In fa ct, I’m afraid all of the best policies we have are not gonna be enough.The fourth and final lesson we’ve learned is about the potential of radical innovation. So, I want to tell you about a tragic problem and a breakthrough technology. Every year a million and a half people die of a completely preventable disease. That’s malaria. Six thousand people a day. All for want of two dollars worth of medications that we can buy at the corner drugstore. Well, two dollars, two dollars is too much for Africa. So, a team of Berkeley researchers with 15 million dollars from the Gates Foundation is engineering, designing a radical new way to make the key ingredient, called artemisinin, and they’re gonna make that drug 10 times cheaper. And in doing so, they’ll save a mi llion lives—at least a million lives, a year. A million lives. Their breakthrough technology is synthetic biology. This leverages millions of years of evolution by redesigning bugsto make really useful products. Now, what you do is, you get inside the microbe, you change its metabolic pathways, and you end up with a living chemical factory.Now, you may ask, John, what has this got to go with green and with climate crisis? Well, I’ll tell you a lot. They’ve now formed a company called Amyris, and this tech nology that they’re using can be used to make better biofuels. Don’t let me skip over that. Better biofuels are a really big deal. That means we can precisely engineer the molecules in the fuel chain and optimize them along the way. So, if all goes well, t hey’re gonna have designer bugs in warm vats that are eating and digesting sugars to excrete better biofuels. I guess that’s better living through bugs. Alan Kay is famous for saying the best way to predict the future is to invent it. And, of course, at Kleiner we, kind of, apologize and say the second best way is to finance it. And that’s why we’re investing 200 million dollars in a wide range of really disruptive new technologies for innovation in green technologies. And we’re encouraging others to do it as well. We’re talking a lot about this.In 2005, there were 600 million dollars invested in new technologies of the sort you see here. It doubled in 2006 to 1.2 billion dollars. But I’m really afraid we need much, much more. For reference, fact one: Exxon’s revenues in 2005 were a billion dollars a day. Do you know, they only invested 0.2 percent of revenues in R&D? Second fact: the President’snew budget for renewable energy is barely a billion dollars in total, less than one day of Exxon’s revenues. Third fact: I bet you didn’t know that there’s enough energy in hot rocks under the country to supply America’s energy needs for the next thousand years. And the Federal budget calls for a measly 20 million dollars of R&D in geothermal energy. It is almost criminal that we are not investing more in energy research in this country. And I am really afraid that it’s absolutely not enough.So, in a year’s worth of learning we found a bunch of surprises. Who would have thought that a mass retailer could make money by going green? Who would have thought that a database entrepreneur could transform California with legislation? Who would have thought that the ethanol biofuel miracle would come from a developing country in South America? And who would have thought that scientists trying to cure malaria could come up with breakthroughs in biofuels? And who would have thought that all that is not enough? Not enough to stabilize the climate. Not enough to keep the ice in Greenland from crashing into the ocean. The scientists tell us—and they’re only guessing—that we’ve got to reduce greenhouse gas emissions by one half, and do it as fast as possible. Now, we may have the political will to do this in the U.S., but I’ve got to tell you, we’ve got only one atmosphere, and so som ehow we’re gonna have to find the political will to do this all around the world.Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell youwhat. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Green technologies—going green—is bigger than the Internet. It could be the biggest economic opportunity of the 21st century. Moreover, if we succeed it’s gonna be the most important transformation for life on the planet since, as Bill Joy says, we went from methane to oxygen in the atmosphere. Now, here’s the hard question, if the trajectory of all the world’s companies and individuals and policies and innovation is not gonna to be enough, what are we gonna do? I don’t know. Everyone here cares about changing the world and has made a difference in that one way or another.So, our call to action—my call to you—is for you to make going green your next big thing, your gig. What can you do? You can personally get carbon neutral. Go to or carboncalculator and buy carbon credits. You could join other leaders in mandating, lobbying for mandated cap and trade in U.S. greenhouse gas reductions. There’s six bills right now in Congress. Let’s get one of them p assed.And the most important thing you can do, I think, is to use your personal power and your Rolodex to lead your business, your institution,in going green. Do it like Wal-Mart, get it to go green for its customers and its suppliers and for itself. Really think outside the box. Can you imagine what it would be like if Amazon or eBay or Google or Microsoft or Apple really went green and you caused that to happen? It could be bigger than Wal-Mart. I can’t wait to see what we TEDsters do about this crisis. And I really, really hope that we multiply all of our energy, all of our talent, and all of our influence to solve this problem. Because if we do, I can look forward to the conversation I’m gonna have with my daughter in 20 years.。
全版学术英语理工TEXT11-19
1 Writing a literature review
Enhancing your academic language Translate the following sentences from Text 12 into Chinese.
4 DNA damage from ionizing radiation can cause mutations that lead to cancer, especially in tissues with high rates of cell division, such as the gastrointestinal tract, reproductive cells and bone marrow.
4 高剂量的辐射会摧毁身体机能并在60天内导致死亡,但这 种“明显的〞死亡仅仅在2%的核反响堆熔毁事故中能够被 预料到,在0.2%的熔毁事故中会超过100天,而在 1/100,000的熔毁事故中会超过3,500天。
.,.,
5
Unit 4
Writing a Literature
Review
1 Writing a literature Review
Enhancing your academic language
Translate the following sentences from Text 11 into Chinese.
5 The all-inclusive estimates of radon effects are that one nuclear power plant operating for one year will eventually avert a few hundred deaths, while an equivalent coal burning plant will eventually cause 30 deaths.
学术英语理工text11答案
学术英语理工text11答案1、—______some nice crayons. I think they are ______.()[单选题] *A. Here is; Betty’sB. Here are; BettyC. Here is; BettyD. Here are; Betty’s(正确答案)2、During the Mid-Autumn Festival, family members often gather together _________ ameal, admire the moon and enjoy moon cakes. [单选题] *A. shareB. to share(正确答案)C. having sharedD. shared3、?I am good at schoolwork. I often help my classmates _______ English. [单选题] *A. atB. toC. inD. with(正确答案)4、Let us put the matter to the vote,()? [单选题] *A. will youB. can weC. may ID. shall we(正确答案)5、Ships can carry more goods than _____ means of transport. [单选题] *A. the otherB. anotherC. any other(正确答案)D. any6、1.________my father ________ my mother is able to drive a car. So they are going to buy one. [单选题] *A.Neither; norB.Both; andC.Either; orD.Not only; but also(正确答案)7、( )He gave us____ on how to keep fit. [单选题] *A. some advicesB. some advice(正确答案)C. an adviceD. a advice8、—These shoes look cool. ______ are they?—They are on sale, only $()[单选题] *A. How much(正确答案)B. How longC. How manyD. How soon9、6.—How can we get to the school?—________ bus. [单选题] *A.ToB.OnC.By(正确答案)D.At10、Sam is going to have the party ______ Saturday evening. ()[单选题] *A. inB. on(正确答案)C. atD. to11、72.—? ? ? ? ? ? ? ? ? ? ? ??—Yes, please. I want a sweater. [单选题] * A.How muchB.Can I help you(正确答案)C.Excuse meD.What will you take12、Kids will soon get tired of learning _____ more than they can. [单选题] *A. if they expect to learnB. if they are expected to learn(正确答案)C. if they learn to expectD. if they are learned to expect13、I took?some _______of the Great Wall?in China last year. [单选题] *A. potatoesB. tomatoesC. photos(正确答案)D. paintings14、I could ______ control my feelings and cried loudly when I heard the bad news. [单选题] *A. hardly(正确答案)B. ?reallyC. clearlyD. nearly15、Every morning John takes a()to his office. [单选题] *A. 20-minutes' walkB. 20 minute ' walkC. 20-minutes walkD. 20-minute walk(正确答案)16、______! It’s not the end of the world. Let’s try it again.()[单选题] *A. Put upB. Set upC. Cheer up(正确答案)D. Pick up17、89.The blackboard is ________ the classroom. [单选题] *A.nextB.betweenC.in front ofD.in the front of(正确答案)18、Some people were born with a good sense of direction. [单选题] *A. 听觉B. 方向感(正确答案)C. 辨别力D. 抽象思维19、How I wish I()to repair the watch! I only made it worse. [单选题] *A. had triedB. hadn't tried(正确答案)C. have triedD.didn't try20、We ______ boating last weekend.()[单选题] *A. goB. went(正确答案)C. are goingD. will go21、23.Susan doesn’t like cartoons. She would rather ______ Space War”. [单选题] * A.see (正确答案)B.seesC.seeingD.to see22、What lovely weather,()? [单选题] *A.is itB. isnt it(正确答案)C. does itD.doesn’t it23、35.Everyone in China ______ Mid-Autumn Day. [单选题] *A.likes(正确答案)B.likeC.is likingD.are like24、Chinese people spend _____ money on travelling today as they did ten years ago. [单选题] *A. more than twiceB. as twice muchC. twice as much(正确答案)D. twice more than25、At nine yesterday morning, I ______ an English class while they ______ a PE class.()[单选题] *A. was having; were having(正确答案)B. had; hadC. was having; hadD. had; were having26、What’s your _______ for the coming new year? [单选题] *A. playB. plantC. plan(正确答案)D. plans27、30.It is known that ipad is _________ for the old to use. [单选题] *A.enough easyB.easy enough (正确答案)C.enough easilyD.easily enough28、The Internet is an important means of()[单选题] *A. conversationB. communication(正确答案)C. speechD. language29、74.In England people drive________. [单选题] * A.on the left(正确答案)B.in the leftC.on leftD.in left30、Online shopping _______ very popular now. [单选题] *A. is(正确答案)B. areC. wasD. were。
学术英语视听说unit11,Lincoln and Kennedy
In this lecture, I’d like to share some thoughts about two famous Americans —Abraham Lincoln and John F.Kennedy. First, I’ll talk about some of the major differences between the two men. Then, I’ll tell you some similarities between Lincoln and Kennedy. In other words, I’ll talk a little about their family and educational backgrounds. Then I’ll talk a little more about their political lives. And finally, I’ll end by saying a few words about their tragic fates.Both Lincoln and Kennedy were assassinated, killed while in office. I’m old enough to remember the day in 1963 that president Kennedy was shot in Dallas,Texas. It was a pretty sad day. But I don’t want to talk that sad day now.How were Lincoln and Kennedy different? Let’s see. One thing, they lived in different times and had very different family and educational backgrounds .Kennedy lived in the20th century, lastcentury.Lincoln lived in the19th century.Kennedy was born in1917,whereas Lincoln was born m ore than a hundred years earlier,in1809.As for their family backgrounds,Kennedy came from a rich family, while Lincoln’s family was anything but rich.Because Kennedy came from a wealthy family,he was able to attend expensive private schoo ls.He graduated from Harvard University.On the other hand, Lincoln,had only one year of formal education.In spite of his lack of formal education,Lincoln b ecame a well-known lawyer.He taught himself law by reading law books. You might say, Lincoln was a self-educated man。
学术英语lecture11翻译
RISKS OF NUCLEAR POWER 核能的风险Bernard L. Cohen, Sc.D. 贝尔纳Sc.D Cohen l。
Professor at the University of Pittsburgh 匹兹堡大学的教授Radiation 辐射1The principal risks associated with nuclear power arise from health effects of radiation. This radiation consists of subatomic particles traveling at or near the velocity of light---186,000 miles per second. They can penetrate deep inside the human body where they can damage biological cells and thereby initiate a cancer. If they strike sex cells, they can cause genetic diseases in progeny. 1与核电相关的主要风险来自于辐射对健康的影响。
这种辐射由亚原子粒子处于或接近光速旅行——每秒-186000英里。
他们可以穿透人体深处,在那里他们可以破坏生物细胞,从而启动癌症。
如果他们罢工生殖细胞,它们可以导致后代基因疾病。
2 Radiation occurs naturally in our environment; a typical person is, and always has been struck by 15,000 particles of radiation every second from natural sources, and an average medical X-ray involves being struck by 100 billion. While this may seem to be very dangerous, it is not, because the probability for a particle of radiation entering a human body to cause a cancer or a genetic disease is only one chance in 30 million billion (30 quintillion). 2自然辐射发生在我们的环境中,一个典型的人,总是被15000的辐射粒子每秒钟从天然来源,和平均医用x射线是被1000亿年。
lecture11
Chapter 11
Page 90
Solution: • Write the kinematic relationships for the dependent motions and accelerations of the blocks.
yB = 1 x 2 A
•
aB = 1 a 2 A
Write equations of motion for blocks and pulley.
•
Chapter 11
Page 88
11.5 Equations of Motion
• Newton’s second law provides
r r R = ∑ F = ma
•
Solution for particle motion is facilitated by resolving vector equation into scalar component equations, e.g., for rectangular components,
11. 1 Introduction
• Newton’s first and third laws are sufficient for the study of bodies at rest (statics) or bodies in motion with no acceleration. When a body accelerates (changes in velocity magnitude or direction), Newton’s second law is required to relate the motion of the body to the forces acting on it. Newton’s second law: - A particle will have an acceleration proportional to the magnitude of the resultant force acting on it and in the direction of the resultant force. - The resultant of the forces acting on a particle is equal to the rate of change of linear momentum of the particle. - The sum of the moments about O of the forces acting on a particle is equal to the rate of change of angular momentum of the particle about O.
学术英语理工版课文翻译text1-11(1)
Text 1 电脑黑客如何进入电脑这好像是一个直接的问题,但是内涵很复杂,答案绝不简单,如果随便地回答,那么黑客通过利用弱点进入目标电脑系统。
但是为了提供更多细节,我们还是从头说起。
“hacker”这个词在意义和解释上都很有争议。
有些人说hackers(开路人) 是好人,他们只是推动了知识的边界,并没造成什么伤害(至少不是故意的),而crackers (打砸者)是真正的坏蛋。
这种争论没有什么效果,如果是为了这种讨论的目的,术语“未授权的使用者”(UU)就足够用了。
这个术语包含了所有不同类型的人,从那些参与有组织犯罪行为的人到那些内部人士,他们突破了在系统中被授予的权限。
接下来我们探讨一下“进入”电脑意味着什么。
这可以指获得电脑系统储存的内容,获得系统的处理能力,或者捕获系统之间交流的信息。
每种攻击都需要不同的技巧,以不同的弱点为目标。
那么“未授权的使用者”利用的是什么?弱点存在于每个系统中,并且有两种弱点:已知的和未知的。
已知的弱点通常因为需要某些能力而存在。
比如,为了某个商业过程,你需要不同的人使用一个系统,你就有一个已知的弱点:使用者。
另一个已知弱点的例子是通过互联网交流的能力,为了具备这个能力,你要给未知和不被信任的实体开通一条路径。
未知的弱点是系统的拥有者或操作者所不了解的,可能是劣质工程的结果,或者是某些被需要的能力产生的非故意的结果。
按照定义,弱点可能被利用。
这些弱点可以是低级的密码保护,也可以是让电脑开着,让办公室的访客可以利用。
只要坐在接待员的桌前,用他的电脑获得需要的信息,就有超过一种技术被利用。
低级的密码(比如,用户名“Joe Smith”, 密码也是“Joe Smith”)也是接近电脑的丰富的来源:密码破译程序可以很容易在几分钟内确认字典中的单词、姓名,甚至常见短语。
通过用数字代替字母,使这些密码更复杂。
比如用0来代替字母O,并不会使任务更复杂。
当未获授权的使用者使用有效的用户名—密码组合,进入系统就是简单的登录了。
学术英语视听说Lesson11
BEFORE LISTENING
VOCABULARY PREVIEW
Proper Names
Romanovs of Russia 俄国罗曼诺夫王朝 Al Saud of Saudi Arabia 沙特阿拉伯的阿勒沙特 King Zoser 左赛王(古埃及第三王朝最有作为的法老) Imhotep 伊姆霍特普(左赛王时期的建筑天才、医生、政治家、祭司、作家) Giza 吉萨(埃及地名) King Khufu 胡夫王(古埃及第四王朝法老) Cheops(Khufu的希腊名) Herodotus 希罗多德(古希腊历史学家) Khafre 哈夫拉(胡夫的继任者,建造了哈夫拉金字塔和狮身人面像) Menkaure 门卡乌拉王(古埃及第四王朝法老) King Thutmose 图特摩斯王(古埃及第十八王朝法老) Seven Wonders of the World 世界七大奇迹 the Hanging Gardens of Babylon 巴比伦空中花园 the Temple of Diana 黛安娜神殿(即Artemis神殿,Artemis是希腊神话中的月亮 和狩猎女神)
10. And yet, what is so ironic is that even these tombs did not escape the attacks of the grave robbers.
BEFORE LISTENING
PREDICTIONS
n Think about the questions in the Topic Preview and the sentences you heard in the Vocabulary Preview. Write three questions that you think will be answered in the lecture. Share your questions with your classmates.
《学术英语(理工类)》课后题答案.docx
Reading: Text 11 .Match the words with their definitions.Ig2a 3e4b 5c 6d 7j 8f9h lOi2. Complete the following expressions or sentences by using the target words listed below with the help of the Chinese in brackets ・ Change the form if necessary.3. Read the sentences in the box. Pay attention to the parts in bold•Now complete the paragraph by translating the Chinese in brackets ・ You may refer to the expressions and the sentence patterns listed above ・ranging from (从 ... 至『)arise from some misunderstandings (来自 于对 .. 误解)leaves a lot of problems unsolved (留下很多问题没有得到解决)opens a path for (打开了 通道)requires a different frame of mind (需耍有新的思想)4. Translate the following sentences from Text 1 into Chinese.1) 有些人声称黑客是那些超越知识疆界而不造成危害的好人(或即使造成危害,但并非故 意而为),而“骇客''才是真正的坏人。
2) 这可以指获取计算机系统的存储内容,获得一个系统的处理能力,或捕获系统之间正在 交流的信息。
Lecture11
2 3: isobaric, Qh
f 2 nR T3 T2 2
3 4 : adiabatic, T3V3 1 T4V4 1
f 4 1: isochoric, V4 V1 , Qc nR T4 T1 2
V2 e 1 V1
T
T2 T1
2
3
1
4
V1
V2
Page 133, Pr. 4.21
Stirling heat engine
The gases used inside a Stirling engine never leave the engine. There are no exhaust valves that vent high-pressure gasses, as in a gasoline or diesel engine, and there are no explosions taking place. Because of this, Stirling engines are very quiet. The Stirling cycle uses an external heat source, which could be anything from gasoline to solar energy to the heat produced by decaying plants. Today, Stirling engines are used in some very specialized applications, like in submarines or auxiliary power generators, where quiet operation is important.
学术英语(理工)讲义+课后习题解答
Academic English for Science and Engineering
h
1
h
2
Unit 1 Choosing a Topic
Unit Contents
1 Deciding on a topic
2 Formulating a research question
3 Writing a working title
appropriate topics of each
h subject?
7
Unit 1 Choosing a Topic
1 Deciding on a topic
Topics Energy
Genetic engineering
Universe
Your narrower subtopics
Questions
5 be used to
(识别p)hpyositceanltliyal terrorists
6 deal the matter withstrhaimightforward (完全地)
7 start with a prceattpyability
(直截了当) question
8 beyond thtaerget
缺答案
h
11
Unit 1 Choosing a Topic
1 Deciding on a topic
l Additional questions for your understanding of Text 1
1 What does “unauthorized user” refer to?
This term covers the entire range of folks, from those involved in organized criminal activities to insiders who are pushing the limits of what they are authorized to do on a system.
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学术英语-理工-lecture11-原文Lecture 11 Four lessons about climate crisisI’m really scared. I don’t think we’re gonna make it. Probably by now most of you have seen Al Gore’s amazing talk. Shortly after I saw that, we had some friends over for dinner with the family. The conversation turned to global warming, and everybody agreed, there’s a real problem. We’ve got a climate crisis. So, we went around the table to talk about what we should do. The conversation came to my 15-year-old daughter, Mary. She said, “I agree with everything that’s been said. I’m scared and I’m angry.” And then she turned to me and said, “Dad, your generation created this problem, you’d better fix it.” Wow. All the conversation stopped. All the eyes turned to me. (Laughter) I didn’t know what to say. Kleiner’s second law is, “There is a time when panic is the appropriate response.” (Laughter) And we’ve reached that time. We cannot afford to underest imate this problem. If we face irreversible and catastrophic consequences, we must act, and we must act decisively. I’ve got to tell you, for me, everything changed that evening.And so, my partners and I, we set off on this mission to learn more, to try to do much more. So, we mobilized. We got on airplanes. We went to Brazil. We went to China and to India, to Bentonville, Arkansas, and to Washington, D.C. and to Sacramento. And so, what I’d like to do now is to tell you about what we’ve learned in thosejourneys. Because the more we learned, the more concerned we grew. You know, my partners at Kleiner and I were compulsive networkers, and so when we see a big problem or an opportunity like avian flu or personalized medicine, we just get together the smartest people we know. For this climate crisis, we assembled a network, really, of superstars, from policy activists to scientists and entrepreneurs and business leaders. Fifty or so of them. And so, I want to tell you about what we’ve learned in doing that and four lessons I’ve learned in the last year.The first lesson is that companies are really powerful, and that matters a lot. This is a story about how Wal-Mart went green, and what that means. Two years ago, the CEO, Lee Scott, believed that green is the next big thing, and so Wal-Mart made going green a top priority. They committed that they’re gonna take their existing stores and reduce their energy consumption by 20 percent, and their new stores by 30 percent, and do all that in seven years. The three biggest uses of energy in a store are heating and air conditioning, then lighting, and then refrigeration. So, look what they did. They painted the roofs of all their stores white. They put smart skylights through their stores so they could harvest the daylight and reduce the lighting demands. And third, they put the refrigerated goods behind closed doors with LED lighting. I mean, why would you try to refrigerate awhole store? These are really simple, smart solutions based on existing technology.Why does Wal-Mart matter? Well, it’s massive. They’re the largest private employer in America. They’re the largest private user of electricity. They have the second-largest vehicle fleet on the road. And they have one of the world’s most amazing supply chains, 60,000 suppliers. If Wal-Mart were a country, it would be the sixth-largest trading partner with China. And maybe most important, they have a big effect on other companies.When Wal-Mart declares it’s gonna go green and be profitable, it has a powerful impact on other great institutions. So, I tell you this: When Wal-Mart achieves 20 percent energy reductions, that’s gonna be a very big deal. But I’m afraid it’s not enough. We need Wal-Mart and every other company to do the same.The second thing that we learned is that individuals matter, and they matter enormously. I’ve got another Wal-Mart story for you, OK? Wal-Mart has over 125 million U.S. customers. That’s a third of the U.S. population. Sixty-five million compact fluorescent light bulbs were sold last year.And Wal-Mart has committed they’re gonna sell another 100 million light bulbs in the coming year. But it’s not easy. Consumers don’t really like these light bulbs. The light’s kind of funny, theywon’t dim, takes a while for them to start up. But the p ay-off is really enormous. A hundred million compact fluorescent light bulb means that we’ll save 600 million dollars in energy bills, and 20 million tons of CO2 every year, year in and year out. It does seem really hard to get consumers to do the right thing. It is stupid that we use two tons of steel, glass, and plastic to haul our sorry selves to the shopping mall. It’s stupid that we put water in plastic bottles in Fiji and ship it here. (Laughter)It’s hard to change consumer behavior, because consumers don’t know how much this stuff costs. Do you know? Do you know how much CO2 you generated to drive here or fly here? I don’t know, and I should. Those of us who care about all this would act better if we knew what the real costs were. But as long as we pretend that CO2 is free, as long as these uses are nearly invisible, how can we expect change? I’m really afraid, because I think the kinds of changes we can reasonably expect from individuals are gonna be clearly not enough.The third lesson we learned is that policy matters. It really matters. In fact, policy is paramount. I’ve got a behind-the-scenes story for you about that green tech network I described. At the end of our first meeting, we got together to talk about what the action items would be, how we’d follow up. And Bob Epstein raised a hand. Hestood up. Y ou know, Bob’s that Berkeley techie type who started Sybase. Well, Bob said the most important thing we could do right now is to make it clear in Sacramento, California that we need a market-base d system of mandates that’s gonna cap and reduce greenhouse gases in California. It’s necessary and, just as important; it’s good for the California economy.So, eight of us went to Sacramento in August and we met with the seven undecided legislators and we lobbied for AB32. Y ou know what? Six of those seven voted yes in favor of the bill, so it passed, and it passed by a vote of 47 to 32. (Applause) Please don’t. Thank you. I think it’s the most important legislation of 2006. Why? Because California was the first state in this country to mandate 25 percent reduction of greenhouse gases by 2020. And the result of that is, we’re gonna generate 83,000 new jobs, 4 billion dollars a year in annual income, and reduce the CO2 emissions by 174 million tons a year. California’s only 7 percent of U.S. CO2 emissions. It’s only a percent and a half of the country’s CO2 emissions. It’s a great start, but I’ve got to tell you—where I started—I’m really afraid. In fact, I’m certain California’s not enough.Here’s a story a bout national policy that we could all learn from. You know Tom Friedman says, “If you don’t go, you don’t know?” Well, we went to Brazil to meet Dr. Hussain Goldemberg. He’s thefather of the ethanol revolution. He told us that Brazil’s government mandated that every gasoline station in the country would carry ethanol. And they mandated that their new vehicles would beflex-fuel compatible, right? They’d run ethanol or ordinary gasoline. And so, here’s what’s happened in Brazil. They now have 29,000 ethanol pumps—this versus 700 in the U.S., and a paltry two in California—and in three years their new car fleet has gone from 4 percent to 85 percent flex-fuel. Compare that to the U.S., 5 percent are flex-fuel. And you know what? Most consumers who have themd on’t even know it. So, what’s happened in Brazil is, they’ve replaced40 percent of the gasoline consumed by their automotive fleet with ethanol. That’s 59 billion dollars since 1975 that they didn’t ship to the Middle East. It’s created a million jobs ins ide that country, and it’s saved 32 million tons of CO2. It’s really substantial. That’s 10 percent of the CO2 emissions across their entire country. But Brazil’s only 1.3 percent of the world’s CO2 emission. So, Brazil’s ethanol miracle I’m really afraid is not enough. In fact, I’m afraid all of the best policies we have are not gonna be enough.The fourth and final lesson we’ve learned is about the potential of radical innovation. So, I want to tell you about a tragic problem and a breakthrough technology. Every year a million and a half people die of a completely preventable disease. That’s malaria. Sixthousand people a day. All for want of two dollars worth of medications that we can buy at the corner drugstore. Well, two dollars, two dollars is too much for Africa. So, a team of Berkeley researchers with 15 million dollars from the Gates Foundation is engineering, designing a radical new way to make the key ingredient, called artemisinin, and they’re gonna make that drug 10 times cheaper. And in doing s o, they’ll save a million lives—at least a million lives, a year. A million lives. Their breakthrough technology is synthetic biology. This leverages millions of years of evolution by redesigning bugs to make really useful products. Now, what you do is, you get inside the microbe, you change its metabolic pathways, and you end up with a living chemical factory.Now, you may ask, John, what has this got to go with green and with climate crisis? Well, I’ll tell you a lot. They’ve now formed a company called Amyris, and this technology that they’re using can be used to make better biofuels. Don’t let me skip over that. Better biofuels are a really big deal. That means we can precisely engineer the molecules in the fuel chain and optimize them along the way. So, if all goes well, they’re gonna have designer bugs in warm vats that are eating and digesting sugars to excrete better biofuels. I guess that’s better living through bugs. Alan Kay is famous for saying the best way to predict the future is to invent it. And, of course, atKleiner we, kind of, apologize and say the second best way is to finance it. And that’s why we’re investing 200 million dollars in a wide range of really disruptive new technologies for innovation in green technologies. And we’re encoura ging others to do it as well. We’re talking a lot about this.In 2005, there were 600 million dollars invested in new technologies of the sort you see here. It doubled in 2006 to 1.2 billion dollars. But I’m really afraid we need much, much more. Forrefer ence, fact one: Exxon’s revenues in 2005 were a billion dollars a day. Do you know, they only invested 0.2 percent of revenues in R&D? Second fact: the President’s new budget for renewable energy is barely a billion dollars in total, less than one day of E xxon’s revenues. Third fact: I bet you didn’t know that there’s enough energy in hot rocks under the country to supply America’s energy needs for the next thousand years. And the Federal budget calls for a measly 20 million dollars of R&D in geothermal energy. It is almost criminal that we are not investing more in energy research in this country.And I am really afraid that it’s absolutely not enough.So, in a year’s worth of learning we found a bunch of surprises. Who would have thought that a mass retailer could make money by going green? Who would have thought that a database entrepreneur could transform California with legislation? Who would havethought that the ethanol biofuel miracle would come from a developing country in South America? And who would have thought that scientists trying to cure malaria could come up with breakthroughs in biofuels? And who would have thought that all that is not enough? Not enough to stabilize the climate. Not enough to keep the ice in Greenland from crashing into the ocean. The scientists tell us—and they’re only guessing—that we’ve got to reduce greenhouse gas emissions by one half, and do it as fast as possible. Now, we may have the political will to do this in the U.S., but I’ve got to tell you, we’ve got only one atmosphere, and so somehow we’re gonna have to find the political will to do this all around the world.Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you wha t. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Well, I’ll tell you what. Green technologies—going green—is bigger than the Internet. It could be the biggest economic opportunity of the 21st century. Moreover, if we succeed it’s gonna be the most important transformation for life on the planet since, as Bill Joy says, we went from methane to oxygen in the atmosphere. Now, here’s the hardquestion, if the trajectory of all the world’s companies and individuals and policies and innovation is not gonna to be enough, what are we gonna do? I don’t know. Everyone here cares about changing the world and has made a difference in that one way or another.So, our call to action—my call to you—is for you to make going green your next big thing, your gig. What can you do? You can personally get carbon neutral. Go to or and buy carbon credits. You could join other leaders in mandating, lobbying for mandated cap and trade in U.S. greenhouse gas reductions. There’s six bills right now in Congress. Le t’s get one of them passed.And the most important thing you can do, I think, is to use your personal power and your Rolodex to lead your business, your institution, in going green. Do it like Wal-Mart, get it to go green for its customers and its suppliers and for itself. Really think outside the box. Can you imagine what it would be like if Amazon or eBay or Google or Microsoft or Apple really went green and you caused that to happen? It could be bigger than Wal-Mart. I can’t wait to see what we TEDsters do about this crisis. And I really, really hope that we multiply all of our energy, all of our talent, and all of our influence to solve this problem. Because if we do, I can look forward to theconversation I’m gonna have with my daughter in 20 years.。