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And here I want to look at page let's see--page 79, actually first on 47, just in passing quickly.
让我们跳到第七十九页,在七十九页，同学加快动作。
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So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?
让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？
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Let's do selection and let's do merge sort here on the right just to see what actually happens.
中间进行选择排序，右边进行归并排序,看看会发生什么。
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Wrev w reversible. in this case here let's see this is it's a pressure is going down.
曲线下的面积，可逆过程的功,这个过程中。
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So we can see what it's doing is it runs. So let's try fib it here with Fib of 6.
我们可以看到它在,运行的时候做了什么,让我们试试。
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And, I know I need to come up with four symmetric equi-length bonds, and let's just see, let's draw the structure here.
我想我们需要,4个对称的等长的键，让我们画出CH4的结构。
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Now let's see where diet comes into play here and how diet affects these different diseases.
现在我们来看看饮食和它们的关系,饮食又是如何影响这些不同疾病的
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And here are the remaining payoffs, and let's see how we play this out.
这些就是剩下的收益了,我们看看该怎么做出选择
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So here we've got--let's see.
那么现在让我们来看看。
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OK, so we've got UV light here, and let's see what we can see, and we lose electrons, if that's what's happening.
好了，我们已经有了紫外光源，让我们来看看能观察到什么，如果那些事情发生了，我们将会失去电子。
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So we know that in each case the heat is going to be the opposite of the work, but the work isn't the same in these two different ways of getting from here to here, right. So let's just see it explicitly. Here's our qA.
所以我们知道在每种情形下功,与热量相差一个负号,但从这里到这里，在这两条路径,中的功是不同的，对吧？,那么让我们明确地看一下。
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OK. Let's simulate the code. Let's see what it's doing here. All right, so we start off.
让我们看看这里到底做了神马？,好的，我们开始吧。
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And so now when I have the list here, let's see, yours is facing this way, so small is gonna be here large is gonna be here.
现在有了这个序列，你们是面向这边的，那小的放这边，大的放这边。
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Let's get some numbers here. Let's see.
我们会得到一些数据。
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So, let's say they were expecting to see one certain frequency or one line in the spectrum at this point here.
比如说他们预计会看到某个特定的频率,或者在这里看到一个谱线。
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I don't know if you can see, probably not, what's written on here, so let me point out to you a few things.
我不知道大家是否知道，这很可能不是其中的一种，那么让我来为大家指出一些事实。
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So here we have that graphed here, Z we have atomic number z graphed against ionization energy, so, let's fill in what the actual atoms are here, and we can see in general, yes, we're following the trend.
这就是我们要画的，横坐标是原子序数，纵坐标是电离能，让我们把真正的原子填上去，我们可以看出，总体来说，没错，满足规律。
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How many bonding electrons does c l have? All right. Let's see, we've got a mixed response here, it turns out it has two bonding electrons.
氯有多少成键电子？好，让我们来看看，大家的回答不太一致，结果应该是两个成键电子。
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So, now let's see here, okay.
下面看看这杯。
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Let's do one more just to see a pattern here.
让我们再继续,看能不能找到规律
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So let's see what actually happens here.
让我们看看这里实际上发生了什么。
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Well, let's see what happens here.
下面看看这儿会发生什么。
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So let's see what's going on here.
我们来看一下会发生什么。
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PROFESSOR: All right. As everyone finishes getting settled in, why don't you take 10 more seconds on the clicker question here, and let's see how you did on that this, this is very similar to the clicker question that we had on Friday.
教授：好了，大家，都坐下来了，给你们10秒钟,回答这个问题，让我们来看下你们学的怎么样了，这和上周五的问题,很相似。
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Well just to see what we know what we're doing, let's look at this code here.
我们下一步该去怎么做呢？,好，让我们来看看。
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So first thing we should do is scratch our heads and see what's going on here. Alright, let's look at it. What's happening here?
所以我们要做的第一件事,就是抓抓脑袋看看发生了什么,好了，让我们来看看，这儿发生了什么呢？
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Let's see what happens here.
让我们看看发生了什么。
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So let's look at another example, Li2 let's take lithium 2 and see what we can figure out here. In lithium 2, we have two atoms of lithium, each have three electrons in them.
让我们看另外一个例子，我们看一看,看我们能得到什么，在Li2中，我们有两个Li原子，每个带有3个电子。
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- And now Christiana if you would -- your goal -- your role here -- no, let's see.
现在Christiana，如果你想要--你的目的-,你的角色--不，让我们看看。
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OK. So now we're seeing some of these variations, let's see what else can we do here.
好，现在我们已经看到了一些例子，让我们看看能用ELSE来干什么吧。
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