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Right, so s of i saying, given the list, look at the i'th element, true is it the same thing?
第2个元素，看他们是不是相等呢？,如果他们相等，好，把答案设置为？
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So if you're not in this 77%, let's quickly go over why, in fact, this is the correct answer, . 9 times 10 to the negative 18 joules.
如果你们不在这77%中，让我们快速的来看一看为什么，这个是正确答案，0，9乘以10的负18次方焦耳。
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Now, you could look at adult zebras all day long and you're never going to figure this out.
就算你整天盯着成年斑马看,也永远都找不出答案来
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And we would need, to have to look at it, and it's going to be very tricky, by the way, as to what the right answer is.
我们需要去看一看，顺便说下，正确答案可能很棘手。
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At first glance this seems to be overwhelmingly obvious -to gain more knowledge.
乍看下,答案似乎无疑是明显的,因为要获得更多知识。
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And at first glance it looks the answer there gotta have to be.
乍一看，好像,答案是肯定的。
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And the answer lies clearly in the energy difference.
从能级差看，答案很明显。
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But what you should be able to do is take a look at a list of answers for what we're saying z effective might be, and determining which ones are possible versus which ones are not possible.
但是你们应该能够做到的,是看一下这个可能的,有效电荷量的答案列表，并且确定哪些是可能的,哪些是不可能的。
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So, it turns out that the majority of you got the correct answer, which is that it's aluminum.
从结果看大多数人,都做对了，答案应该是铝。
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PROFESSOR: -- that this is not a quick clicker question, so you actually need to maybe write something down to figure out the answer.
教授：这个问题不是一眼就能看出来的，你们需要在纸上写一写,才能得到答案。
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Right.? I'm going to set up a variable to say, none what's the answer I want to return, is it there or not. Initially it's got that funny value none.
看我要找的答案在不在数组里面，初始化为,然后建立一个索引。
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If I showed you a picture of yourself versus a mirror image of yourself and asked which one you'd like more, the answer is very strong.
如果我让你看你的照片和镜中的自己,问你更喜欢另一个，答案会很明显。
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For those of you just walking in now, you might not have a chance to get all of the thought process that you need in on this clicker question, because it is based on a Lewis structure, so we will go over it.
那些刚刚进来的同学，你们可能没有机会时间来回答,因为答案是基于Lewis结构上的,所以我们赶紧看一下。
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