教授一开始there’s been a lot of talk就引出关键信息life on Mars,后面的for example举例里提到的水都是为了论证这一观点。 C选项与文意关键信息完全一致,是对全文主旨最准确的概括 标签 自然科学天文 如何吃透这篇文章? Life on Mars 0人精听过
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For Mars to have rivers, it must once have had streams, rain, clouds and an atmosphere, a planet just like the Earth today-if these were rivers. They had to be sure. The answers would come in 1998 with the launch of Mars Global Surveyor. It was equipped with the latest high-...
It is hoped that people could start all over again and build a better world on Mars. Here is what life there could be like. 有些人相信到2100年人类可以在火星上生活。我们自己的星球,地球,因为人口的快速增长正在变得越来越拥挤,污染越来越严重。人们有望能够在火星上重新开始,建设一个更好的世界。
Little robot cars that drive around on Mars, so we've already successfully sent many missions to Mars. 小小的机器人探测车可以在火星上四处走动,可以说我们已经成功完成了许多火星发射任务。 I'm sure we can do it with humans. 我确定我们人类也可以登上火星。 But none of the satellites or landers...
The thinking is that if certain minerals occur here on Earth, as a result of a biological process, and if we also find those same minerals on another planet, this would suggest that life may have once existed there! But just because a particular mineral is found on, say Mars or Venus,...
83 -- 0:22 App TF阅读真题第624篇WATER AND LIFE ON MARS 410 9 3:22 App 【托福】蠢哭!!原来托福考个110+!!30天就够了!!! 88 -- 0:21 App TF004-The British Economy in the Eighteenth Century 11 -- 0:54 App TF147-Farming New England in Colonial Times 660 5 1:57 App 托福中...
Male Student: So maybe the reverse could have happened, right?If rocks from Mars could end up on earth, why couldn't there be earth rocks on Mars or even better on the moon? Professor: Exactly. In fact, it's almost a certainty.We know that there were lots of meters in our region ...
But—just because a particular mineral is found on say, Mars or Venus—uh, we really shouldn't assume that whatever caused it to turn up there … must be the same process that formed that mineral here on Earth. 6.What does the professor think about using evidence of minerals on another...
开运河 n. (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion n. long and narrow strip of water made for boats or for irrigation v. provide (a city) with a canal [19] dike/daik/ GRE 1 次 n....