托福听力：的质类话题考点解析.pdfVIP

智 课 网 托 福 备 考 资 料 托福听力：地质类话题考点解析 托福听力地质类的文章内容比较多，难度也比较大，通常地质类的 文章语速还比较快。为此，特别为大家总结了一下地质类题目的主要考 点，一起来看看吧。 moving stone, dating ,glaciers, desert lake, geologic epoch,cave等【在线答疑】 考核的方面主要有： 1. 某个理论的内容 content(scientist theorized that… 2.教授对某理论的态度，是赞成还是否定还是中立 attitude (geologist/people/profess think…. I am sure……most of us thought …. I will predict that…..) 3.这个理论如何得出的 how to get the theory(experiment) evidence ……. Discovered that……. Found that…….【在线答疑】 4.这个理论或者现象如何普及的 Why get the popularity 5.这个理论或者现象的因果关系 Cause and effect (某一个现象) There are a couple of the factors that affects…… 6.某个地质现象的形成过程 Sequence/process(排序题) what they did was…….【在线答疑】 例题： 举例一篇关于讲Kettle lakes 的文章 文章内容是这样的： Uh, Other things that glaciers can do is ,uh, as they retreat, instead of deposting some till ,uh, scraped up soil, in the area, they might leave a big ice block and it breaks off and as the ice block melts it leaves it leaves a depression which can become a lake,. These are called kettle lakes. These are very critical ecosystems in this region, um because they support some unique biological diversity, these kettle lakes do.【在线答疑】 The Great Lakes are like this, they were left over from the Pleist -from the Pleistocene glaciers , the Great Lakes used to be a lot bigger as the glaciers were retreating , some of the lakes were as much as a hundered feet higher in elevation. The beach of a former higher stage of Lake Erie was about fifty miles away from where the beach -the current beach of Lake Erie is right now. So I just wanted to tell you a litle bit more about glaciers and some positive things that we get from climate change. Like the ecosystems that develop in these kettle lakes, and how we can look at them in an enviromental perspective 题目如下： 一． What are kettle lakes? A. Lakes that form in the center of a volcano