新概念考研必背36篇

精选新概念必背优秀文章36篇 1 -

经典教材精选的美文

这个优秀文章36篇是我从新概念三、四的教材里精心挑选出来的，其中新概念三20篇和新概念四的16篇，从贴近考研英语的角度来筛选，剔除了大部分的记叙文和说明文题材，主要就是论说文了。

这些精选出来的文章作为必须背诵的素材。原来的文档很多都有或多或少的小错误。这里我都精心对照过，并且尽力避免出现错误。

以前那个版本只有20篇文章（新三12篇，新四8篇），有网友反映排版使用不是很方便，这里重新排版。另外字体用稍微大一点的5号，眼睛会舒服一点，还可以做一点点笔记，不过页数会增加一点。

蓝色加粗是考研重点词汇，要从课文句子中掌握其用法，不是很熟的最好查一下牛津或者其他词典；加阴影紫色字体是考研用短语和句型。划线的重点要熟练应用的句子，尽量应用到作文中去。

对这36篇文章最好是听写、翻译、背诵一步步来。先把文章听写出来，然后翻译成中文，再把中文翻译成英文，最后背诵。不过这个过程很花时间，但是也能提高英语能力。如果单纯考研应试，英语不想考那么高分，而其他科目需要的时间多点，那就只背诵吧。

背诵是一件很痛苦的事情，实在背不下来，可以给自己定一个量的要求：“50遍啊50遍！”甚至更强的“100遍啊100遍”读了5

精选新概念必背优秀文章36篇 1 -

以前那个版本只有20篇文章（新三12篇，新四8篇），有网友反映排版使用不是很方便，这里重新排版。另外字体用稍微大一点的5号，眼睛会舒服一点，还可以做一点点笔记，不过页数会增加一点。

蓝色加粗是考研重点词汇，要从课文句子中掌握其用法，不是很熟的最好查一下牛津或者其他词典；加阴影紫色字体是考研用短语和句型。划线的重点要熟练应用的句子，尽量应用到作文中去。

对这36篇文章最好是听写、翻译、背诵一步步来。先把文章听写出来，然后翻译成中文，再把中文翻译成英文，最后背诵。不过这个过程很花时间，但是也能提高英语能力。如果单纯考研应试，英语不想考那么高分，而其他科目需要的时间多点，那就只背诵吧。

背诵是一件很痛苦的事情，实在背不下来，可以给自己定一个量的要求：“50遍啊50遍！”甚至更强的“100遍啊100遍”读了50遍以上就算背不出来也很熟练了吧。

语言是背出来，模仿磁带的读音，大声跟读大声的背，将可以达到听说读写齐头并进。

新概念三 Lesson 14 A noble gangster 贵族歹徒

There was a time when the owners of shops and busine

精选新概念必背优秀文章36篇 沪江论坛 风中劲草 整理制作

新概念三 Lesson 14 A noble gangster 贵族歹徒

There was a time when the owners of shops and businesses in Chicago had to pay large sums of money to gangsters in return for 'protection.' If the money was not paid promptly, the gangsters would quickly put a man out of business by destroying his shop. Obtaining 'protection money' is not a modern crime. As long ago as the fourteenth century, an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums

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精选新概念必背优秀文章36篇 沪江论坛 风中劲草 整理制作

新概念三 Lesson 14 A noble gangster 贵族歹徒

There was a time when the owners of shops and businesses in Chicago had to pay large sums of money to gangsters in return for 'protection.' If the money was not paid promptly, the gangsters would quickly put a man out of business by destroying his shop. Obtaining 'protection money' is not a modern crime. As long ago as the fourteenth century, an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums

精选新概念 必背优秀文章36篇

Lesson 14 A noble gangster 贵族歹徒

There was a time when the owners of shops and businesses in Chicago had to pay large sums of money to gangsters in return for 'protection.' If the money was not paid promptly, the gangsters would quickly put a man out of business by destroying his shop. Obtaining 'protection money' is not a modern crime. As long ago as the fourteenth century, an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums of money than have their life

精选新概念 必背优秀文章36篇

Lesson 14 A noble gangster 贵族歹徒

There was a time when the owners of shops and businesses in Chicago had to pay large sums of money to gangsters in return for 'protection.' If the money was not paid promptly, the gangsters would quickly put a man out of business by destroying his shop. Obtaining 'protection money' is not a modern crime. As long ago as the fourteenth century, an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums of money than have their life

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Lesson 14 A noble gangster 贵族歹徒

There was a time when the owners of shops and businesses in Chicago had to pay large sums of money to gangsters in return for 'protection.' If the money was not paid promptly, the gangsters would quickly put a man out of business by

destroying his shop. Obtaining 'protection money' is not a modern crime. As long

ago as the fourteenth century, an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums of money than have the

全都背下来保证120分以上。

1.试简述焊条的工艺性能？

焊接电弧的稳定性；焊缝成型；各种位置焊接的适应性；飞溅；脱渣性；焊条熔化速度；焊条药皮发红；焊接烟尘。

2.试简述药芯焊丝的特性？

(1) 熔敷速度快，因而生产效率高；

(2) 飞溅小；

(3) 调整熔敷金属成分方面；

(4) 综合成本低。

3.试简述低氢焊条熔敷金属含氢量低的原因？

(1)药皮中不含有机物，清除了一个主要氢源；

(2)药皮中加入了大量的造气剂CaCO3、降低了PH2；

(3)CaF2的去氢作用；

(4)焊条的烘干温度高。

4.试简述不锈钢焊条药皮发红的原因？有什么解决措施？

药皮发红的原因：不锈钢寒心电阻大，焊条融化系数小造成焊条融化时间长，且产生的电阻热量大，使焊条温度升高而导致药皮发红。

解决措施:调整焊条药皮配方，使焊条金属由短路过渡转化为细颗粒过渡，提高焊条的融化系数，减少电阻热以降低焊条的表面升温。

5.CO2焊接低合金钢一般选用何种焊丝？试分析其原因？

答：应选用Si、Mn等脱氧元素含量较高的焊丝，常用的如：H08Mn2SiA。

（1）CO2具有较强的氧化性，一方面使焊丝中有益的合金元素烧损，另一方面使熔池中[FeO]含量升高。

（2）如焊丝中不含脱氧元素或含量较低，导致脱氧不足，熔池结晶后极