【万物简史】PART III CH 12大地在移动（18）_英语听力练习mp3下载-科学-沪江听力酷

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【万物简史】PART III CH 12大地在移动（18）

听力简介：

某种程度上，板块构造学不仅解释了地球的表面动力学，而且还解释了它的许多内部活动。

❤《万物简史》推出部落节目版，戳这里订阅http://bulo.yeshj.com/menu/6004/

文中需听写单词或词组用[-No-]表示，句子用[---No---]表示。请边听写边理解文意，这样可以提高听力准确度，并为训练听译打下基础哦~~~

Hint:

Triassic

Lystrosaurus

At all events, plate tectonics not only explained the surface dynamics of the Earth—how an ancient Hipparion got from France to Florida, for example—but also many of its internal actions. Earthquakes, the formation of island chains, the carbon cycle, the locations of mountains, the coming of ice ages, the origins of life itself—[---1---] Geologists, as McPhee has noted, found themselves in the giddying position that “[-2-]” .

But only up to a point. The distribution of continents in former times is much less neatly resolved than most people outside geophysics think. Although textbooks give confident-looking representations of ancient landmasses with names like Laurasia, Gondwana, Rodinia, and Pangaea, [---3---] As George Gaylord Simpson observes in Fossils and the History of Life, [---4---]

The outline of Gondwana, a once-mighty continent connecting Australia, Africa, Antarctica, and South America, was based in large part on the distribution of a genus of ancient tongue fern called Glossopteris, which was found in all the right places. However, much later Glossopteris was also discovered in parts of the world that had no known connection to Gondwana. This troubling discrepancy was—and continues to be—mostly ignored. [---5---]