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第一篇：年级数学演讲稿
尊敬的老师们，亲爱的同学们：
大家好！
数学最关键的地方在于理解。不同于语文的死记硬背和英语的活学活用，数学更注重在每一个公式的理解和创新。其实一个公式表面上看起来简单，但是真正应用到题目中，真正应用到生活中却又不那么简单了。我在数学学习中有时间进行一个公示，便觉得自己掌握的全部其实并不然，仅仅掌握了公式及其定力，只是掌握了皮毛，而要多应用，才能熟能生巧，熟能生精！
数学有一个和其他学习最重要的地方，就是一定要多加练习，有句话讲――一日不练手生，一日不练口生。只有多加练习，才能将数学知识应用的更加纯熟更加熟练，在考试中才能拥有更快的解题速度，更高的准确率，从而达到更高的分数。而数学做题并不是搞题海战，盲目的做题，而是有的放矢，做不会的题也做难以理解的题，做常考的题，做有代表性的典型题目！
学习数学千万不能仅仅是追求难题，而应该把更多的精力放在容易题和简单题上，有句话说得好：“大道至简，最难的往往是最简单的。”有个词语叫做惯性思维，人们做简单题做多了，往往会把思维定格在那里，殊不知道已变形，便把这道题做错了。所以一定要多加简单练习，而且还要认真仔细的读读题，多读题才能多发现，多发现，才能多有真正的感悟和思考。只有这样才能应对考试中的风雨而巍然不动，以不变应万变，最终取得理想的分数。
其实学习数学知道是一个久而久之的过程，并不是一朝就可像炼成的，数学知识在生活中应用越来越广泛，也是只有学好了数学，才能在生活中一展宏图，只有学好了数学，才能更接近理想和目标。
第二篇：关于军训的英语演讲稿
人有了钱就会变坏？社会心理学家Paul Piff通过操纵大富翁游戏做了一个有趣的实验，测试人们感到富有时会如何表现。
I want you to， for a moment， think about playing a game of Monopoly， except in this game， that combination of skill， talent and luck that help earn you success in games， as in life， has been rendered irrelevant， because this game's been rigged， and you've got the upper hand。 You've got more money， more opportunities to move around the board， and more access to resources。 And as you think about that experience， I want you to ask yourself， how might that experience of being a privileged player in a rigged game change the way that you think about yourself and regard that other player？
So we ran a study on the U。C。 Berkeley campus to look at exactly that question。 We brought in more than 100 pairs of strangers into the lab， and with the flip of a coin randomly assigned one of the two to be a rich player in a rigged game。 They got two times as much money。 When they passed Go， they collected twice the salary， and they got to roll both dice instead of one， so they got to move around the board a lot more。 （Laughter） And over the course of 15 minutes， we watched through hidden cameras what happened。 And what I want to do today， for the first time， is show you a little bit of what we saw。 You're going to have to pardon the sound quality， in some cases， because again， these were hidden cameras。 So we've provided subtitles。 Rich Player： How many 500s did you have？ Poor Player： Just one。
Rich Player： Are you serious。 Poor Player： Yeah。
Rich Player： I have three。 （Laughs） I don't know why they gave me so much。
Paul Piff： Okay， so it was quickly apparent to players that something was up。 One person clearly has a lot more money than the other person， and yet， as the game unfolded， we saw very notable differences and dramatic differences begin to emerge between the two players。 The rich player started to move around the board louder， literally smacking the board with their piece as he went around。 We were more likely to see signs of dominance and nonverbal signs， displays of power and celebration among the rich players。
We had a bowl of pretzels positioned off to the side。 It's on the bottom right corner there。 That allowed us to watch participants' consummatory behavior。 So we're just tracking how many pretzels participants eat。
Rich Player： Are those pretzels a trick？
Poor Player： I don't know。
PP： Okay， so no surprises， people are onto us。 They wonder what that bowl of pretzels is doing there in the first place。 One even asks， like you just saw， is that bowl of pretzels there as a trick？ And yet， despite that， the power of the situation seems to inevitably dominate， and those rich players start to eat more pretzels。
Rich Player： I love pretzels。
（Laughter）
PP： And as the game went on， one of the really interesting and dramatic patterns that we observed begin to emerge was that the rich players actually started to become ruder toward the other person， less and less sensitive to the plight of those poor， poor players， and more and more demonstrative of their material success， more likely to showcase how well they're doing。 Rich Player： I have money for everything。 Poor Player： How much is that？ Rich Player： You owe me 24 dollars。 You're going to lose all your money soon。 I'll buy it。 I have so much money。 I have so much money， it takes me forever。 Rich Player 2： I'm going to buy out this whole board。 Rich Player 3： You're going to run out of money soon。 I'm pretty much untouchable at this point。
PP： Okay， and here's what I think was really， really interesting， is that at the end of the 15 minutes， we asked the players to talk about their experience during the game。 And when the rich players talked about why they had inevitably won in this rigged game of Monopoly ―― （Laughter） ― they talked about what they'd done to buy those different properties and earn their success in the game， and they became far less attuned to all those different features of the situation， including that flip of a coin that had randomly gotten them into that privileged position in the first place。 And that's a really， really incredible insight into how the mind makes sense of advantage。
Now this game of Monopoly can be used as a metaphor for understanding society and its hierarchical structure， wherein some people have a lot of wealth and a lot of status， and a lot of people don't。 They have a lot less wealth and a lot less status and a lot less access to valued resources。 And what my colleagues and I for the last seven years have been doing is studying the effects of these kinds of hierarchies。 What we've been finding across dozens of studies and thousands of participants across this country is that as a person's levels of wealth increase， their feelings of compassion and empathy go down， and their feelings of entitlement， of deservingness， and their ideology of self―interest increases。 In surveys， we found that it's actually wealthier individuals who are more likely to moralize greed being good， and that the pursuit of self―interest is favorable and moral。 Now what I want to do today is talk about some of the implications of this ideology self―interest， talk about why we should care about those implications， and end with what might be done。
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