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That is because students entering the schools must all pass the same national exam.
VOA: standard.2010.02.02
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Two more quick things about the exam, the first is that just remember on Wednesday, don't come here, the exam is not here, don't come here.
还有两件关于考试的小事情，第一个就是要记住，周三不要来这里，考试不在这，不要来这。
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And actually before we start into today's topics, I want to remind everyone and hopefully you all do remember that our first exam is coming up and it's coming up in exactly a week, so it'll be a week from today, next Wednesday.
实际上在这之前，我还要提醒大家一下,希望大家都记得,我们的第一次考试就要到了,就在下周，距离今天正好一周，下周三。
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Again, the mid-term exam is Monday; sorry that I misstated that last week.
还有,下周一期中考试,抱歉上周的通知弄错了
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Like homework for me at the time was actually fun ; and there is some addictive about this; Tej and I even asked Tej during last year's final exam period.
对我而言就像当时做功课一样,但是真的有趣，我有点上瘾了;,在去年的期末考试期间我还请教过。
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So the paper length-- there are two papers required, and there is a final exam the paper length is designed to be quite large.
所以论文的长度-我们要写两篇论文，还有一个期末考试,论文的篇幅要较长。
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And so I joked, badly, I'll agree, at the end of last lecture, that we can just stop now, go straight to the final exam, because this is all you need to know.
所以我在上次演讲快结束时说了个拙劣的笑话，我会同意我们可以到此为止,直接进行期末考试，因为这些是你们需要知道的所有内容。
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Now, you think you can make a mistake on your exam, take a look at this up here at tell me what that all is. I have no idea.
你觉得你可以在考试的时候犯错误，看一看这之前写的东西,能告诉我这些是什么，我也不知道。
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And so for many, many problems, especially on exams, especially on this first exam, you will be able to say that this is the relationship between internal energy and temperature.
对于很多问题，特别是考试中的问题，你们要能够说出来,这是内能与温度的关系。
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There's a mid-term exam halfway through and a final exam at the end, and there's a term paper which is due near the end of the course.
我们在学期中和学期末,分别会有期中考试和期末考试,在本学期快结束时要求写一篇学期论文
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Get out a piece of paper. This is your first exam.
请准备一张纸，这是你们第一次考试。
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She is a PhD candidate in the department of music, just passed her qualifying exam with flying colors, so here she is to demonstrate the bassoon for us, lowest member of the woodwind family.
她是音乐学院的在读博士,刚刚以出色的成绩通过资格考试,她马上要为我们演奏巴松管,木管乐器中声音最低沉的乐器
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But I have another plan called the "Amnesty Plan" in which I also compare just your final grade, what you did on the Final exam, and whichever is higher of the two is what I will take to determine your overall course grade.
我还有另外一套评分计划叫,"特赦计划",就是我会比较你的学期总成绩,和你的期末考试成绩,我会取这两个成绩中更高的,作为你的课程最终成绩
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You prove to your teacher that you understand the authors by being able to put their meaning in other words -in other words, to say the author is intending to say something, not just that the text says something and this is what it says, with your exam then being one long screed of quotation.
你们用自己的话写出文章的含义,以此向老师证明你们理解作者的意图,换句话说，要告诉老师作者想表达什么，而不仅仅是文本说的什么内容，然后在试卷上来一大段,冗长的引用。
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Anything that's mentioned there is fair game for me in an exam and that's the way I've done it.
在这部分出现的内容,都可能在考试中出现,这就是我考试的方式
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So they're optional, but they're very, very, very highly encouraged that you do these, because this is going to give you practice for the types of problems that are going to be on the exam.
虽然它们是选做的，但是它们非常非常，非常值得你们去做，因为这对你们来说是一次训练,是用来熟悉考试题型的。
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It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.
它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。
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I'm just going to go over a few of the main points here So, the first is that what we're going over notes today and also on Monday, the exam material ends at the end lecture notes from lecture 9.
我会简单地带大家过一遍几个比较重要的地方,那么，第一点是关于我们今天,和下周一要讲的内容，考试要求的内容,就到第九讲的讲义结束的地方。
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Class is cancelled until final exam because this is all you need to know, right?
好消息就是这听起来像结课了一样,你们需要知道的就是这些，那么课程？
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This is a really good topic to do the class before an exam because it's a little bit of a lighter topic.
这对于考试之前的一节课来说,是一个非常好的课题,因为这是一个稍微轻松一点的课题。
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So this is going to tell you pretty much everything you need to know in terms of getting ready for the exam, which is next Wednesday.
这上面包括了几乎,所有的你需要知道的,关于如何准备这次考试的信息，考试时间是下周三。
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The final exam period is December 13 -17th this year.
考试周是今年的12月13到17号。
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Also, anything in my lecture is of course fair game for the exam.
还有我课程中出现的内容,都是可能考到的内容
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There is a final exam in this subject.
这门课还有个期末考试。
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So, in terms of what it is that you need to prepare and bring with you for the exam, you need to bring your MIT ID, especially if you haven't been showing up regularly to your recitations and you aren't 100% sure if your TA knows exactly who you are, you need to make sure you have your MIT ID with you.
那么，关于你需要做哪些准备,考试可以带哪些东西，你需要带着你的学生证，尤其是如果你没有经常地参加,习题课,你不能百分之百保证,你的助教确实认识你，那么你更得确保自己到时带着学生证。
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And now we're asking you to look at krypton, so the atomic mass is 36. You can actually just grab that handout the second handout on the exam and look at the periodic table there. So, which of the following ions listed is isoelectronic with krypton?
现在我们请大家来看一下氪原子，它的原子量是，36，大家其实可以拿出这张讲义,第二份关于考试的讲义,看一下上面的周期表，那么，下列离子中，哪一个是与氪原子是等电子的？
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And as a reminder, hopefully I don't need to remind any of you, but exam 1 is on Wednesday, so rather than our clicker question being on something from last class, which is exam 2 material, let's just make sure everyone remembers some small topic from exam 1 material, which is the idea of angular nodes.
而作为一个提醒--我希望大家都不需要提醒，但是这周三就要进行第一次考试了，因此我们的这个选择题,不是关于上节课内容的，那是第二次考试的内容，这里只是想确认大家都记得,第一次考试所要求的一些小问题，也就是关于角向节点的概念。
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This is exactly the sheet here, it's exactly what you'll get on exam day.
这就是那张表，考试的时候你拿到的也会是一模一样的一张表。
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Let's move on to the last topic in terms of this first exam, which is thinking about the idea of isoelectronic atoms, or isoelectronic ions. And isoelectronic is very straightforward, it just means having the same electron configuration.
下面我们继续讲第一次考试的最后一个主题，也就是等电子原子，或等电子离子的概念，“等电子的“是非常直接的表达，它的意思就是具有相同电子排布的。
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So that's going to be the end of the exam 1 material, and then we'll move on to exam 2 material, which is kind of exciting, because we've been talking about just individual atoms and ions up to this point, and now we can talk about molecules, so we're going to start talking about bonding.
到此为止就是第一次考试的内容，接下来我们会开始讲第二次考试的内容，这些内容令人有点兴奋，因为我们一直都只是在讨论单个的原子,和离子到目前为止，而现在我们可以讨论分子了，要开始讨论成键的问题了。
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