W: Good morning, Mr. Green.M: Good morning, Helen. Come and sit down. Um, we were a bit worried about your progress last term. But you've done some very good work recently. And I think it's barely safe to assume you'll pass the course now. In fact, if you can keep up this standard, we could very well be looking at a credit.W: A credit, really?M: Yes. As long as you keep up the good work. Anyway, the other thing we need to talk about is your next assignment. Right?W: Right.M: And you want to look at the subject of oil.W: Yes, it's a pretty major issue. I mean, there are millions of buses and cars and trucks in the world, all dependent on oil. And then the airline industry is carrying more and more people around world every year. So you have to consider global warming.M: Hang on a minute. I wouldn't go into global warming if I were you. That's a huge subject in its own right. And quite a controversial one, I might add. The assignment is only supposed to be 3,000 words, remember? If you're not careful, you'll be writing a 30,000-word thesis.W: OK.M: Now let's start with a few basics. Do you know how much energy is actually used for fuel, compared with other things?W: Yes. I found some statistics. It's here somewhere. Ah, yes. Transportation. That accounts for about a quarter of world energy. Quite a bit less than industry. But it's still a significant proportion.
女：早上好，格林先生。男：早上好，海伦。过来坐吧。上学期我们对你的进度有些担心。但你最近做得很好。我觉得现在假设你能通过这门课还不太保险。事实上，如果你能保持现在的水平，那么通过的可能性很大。女：通过，真的吗？男：是的。只要你继续努力。不管怎样，我们还得谈谈你的下一个任务。对吧？女：是的。男：你想考虑石油这个话题。女：是的，这是一个相当重要的问题。我的意思是，世界上有数百万辆公共汽车、小汽车和卡车，它们都依赖石油。航空业每年都在运送越来越多的人到世界各地。所以你必须考虑到全球变暖。男：等一下。如果我是你，我不会去研究全球变暖。这本身就是一个巨大的课题。我得补充一句，这是一个相当有争议的课题。作业要求只有3千字，记得吗？如果你不注意，可能就会写出一篇3万字的论文。女：好的。男：现在让我们从一些基础知识开始吧。你知道与其他东西相比，实际上有多少能量被用作燃料吗？女：是的。我找到了一些统计数据。就在这里的某个地方。啊，找到了。交通工具。它大约消耗世界能源的四分之一。比工业少得多。但仍是一个相当大的比例。
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