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听力满分之路|教授提问原来这么重要

2017-02-09 14:50 小马过河 admin

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摘要:hello 大家好,欢迎来到听力满分之路,今天是陪伴你进步的第十一天,我是吉祥坊娱乐听力老师李彦伶。这一周我们开始学习第十一期的内容,一篇讲彗星的文章,今天是文章结构专题。

  hello 大家好,欢迎来到听力满分之路,今天是陪伴你进步的第十一天,我是吉祥坊娱乐听力老师李彦伶。这一周我们开始学习第十一期的内容,一篇讲彗星的文章,今天是文章结构专题。

  为什么要讲文章层次结构?因为出题规律是顺序出题,每段/层都会出一道题,理清文章结构能帮助我们做题定位和排除干扰选项。开头的重点是听出文章的话题或者主旨,如果不是开门见山的点题,我们需要把握主旨如何被引出来。接下来,带大家听衔接这篇文章结构的重点句,把握文章的主旨,以及引出主旨后,分了几方面进行讲解。

  接下来,带你听出这篇文章的层次结构。

  0K. We have been looking at some of the smaller members of our solar system, comets.You already know about the structure of comets.Let’s continue our discussion now by talking about orbits, especially those of the so-called periodic-orbit comets...

  通过上节课内容引出主旨

  Probably the most famous and brightest of these is Halley’s comet...With Halley’s comet, well, it returns every 75 years, roughly.

  以哈雷彗星为例,先介绍它的周期

  But where is Halley’s comet during most of this time?… Because of this, we can only see Halley’s for a few months every 75 years, first on its way in toward the Sun, and then on its way out again...

  问题引出新话题:彗星大部分时间在什么地方?

  Now, you remember from our previous discussion that a comet’s nucleus ,its core, is made up of ice and dust, like a frozen snowball....so on every orbit, the comet leaves part of itself behind.

  now引出对彗核的介绍

  OK. How old is this solar system ?Four and a half billion years.remember ?And Halley’s is going around the Sun once every 75 years and losing stuff each time.So the comet should be long gone by now, right? I mean, how come Halley’s is still there? After four and a half billion years.How could it be?...

  问题引出新话题:为什么彗星还会存在?

  But lots of comets aren’t like that...So we just, we refer to them as open-ended parabolic-orbit comets.

  but引出其他类型的彗星:抛物线轨道彗星

  So, what can change a comet with one of these long orbits where they only come by the Sun occasionally into a much more frequent periodic visitor? Well, gravitational interaction with planets, right?...

  问题引出新话题:什么能改变彗星的轨道?

  已经有337名同学在路上,一起加油!

  (这篇彗星的文章是TPO26Lecture3)

  干货来啦~快来看看李彦伶老师的其他文章吧!

  “听力满分之路”专栏|全是套路!

  ↑点击阅读

  同时,也可以订阅《听力满分之路》专栏,仅售9.9元,即可打包阅读全部文章!

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