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【万物简史】PART I CH 2_7
听力简介:
这是一部有关现代科学发展史的既通俗易懂又引人入胜的书,作者用清晰明了、幽默风趣的笔法,将宇宙大爆炸到人类文明发展进程中所发生的繁多妙趣横生的故事一一收入笔下。惊奇和感叹组成了本书,历历在目的天下万物组成了本书,益于人们了解大千世界的无穷奥妙,掌握万事万物的发展脉络。
收获英语 收获一本好书~!
书本的朗读语音很charming的磁性英音~~~大家可以好好学着模仿哦~~~!!
因为原著为美国人所写,单词采用美式拼法,不抄全文,然后听写单词或词组(用[-No-]表示)以及句子(用[---No---]表示)。请边听写边理解文意,根据上下文注意各句标号,这样有助于提高正确率。
Hints
NASA
New Horizons
And how far is that exactly? It's almost beyond imagining. Space, you see, is just [-1-]—just [-1-]. Let's imagine, for purposes of edification and entertainment, that we are about to go on a journey by rocketship. We won't go terribly far—just to the edge of our own solar system—but we need to get a fix on how big a place space is and what a small part of it we [-2-].
Now the bad news, I'm afraid, is that we won't be home for supper. [---3---] But of course we can't travel at anything like that speed. We'll have to go at the speed of a spaceship, and these are rather more lumbering. The best speeds yet achieved by any human object are those of the Voyager 1 and 2 spacecraft, which are now flying away from us at about thirty-five thousand miles an hour.
The reason the Voyager craft were launched when they were (in August and September 1977) was that Jupiter, Saturn, Uranus, and Neptune were aligned in a way that happens only once every 175 years. This enabled the two Voyagers to use a "gravity assist" technique in which the craft were [-4-] flung from one gassy giant to the next in a kind of cosmic version of "crack the whip." Even so, it took them nine years to reach Uranus and a dozen to cross the orbit of Pluto. The good news is that if we wait until January 2006 ([---5---]) we can take advantage of favorable Jovian positioning, plus some advances in technology, and get there in only a [-6-] or so—though getting home again will take rather longer, I'm afraid. [---7---]
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