Could There Have Been Water on Mars without CO2?Williams, Weston
(方框中有两项为多余选项)Could there be life on Mars(火星)?You probably know a lot about the city youlive in.1.But how much do you knowabout Mars,the planet where many scientiststhink there may be life?单For many years,people have studied Mars.They have sent instruments and robots to ...
Could there be life on Mars?You probably know a lot about the city you live in. You may even know some interesting facts about our earth. But how much do you know about M__81__, the planet where many think there may be l 82?For many years, people have studied Mars.They have sen...
A. There could have been living things on Mars. B. Mars has the largest volcano in the solar system. C. There is almost no oxygen in the air on Mars. D. Mars is smaller than the E. arth,and it is quite a bit cooler. F. 项不正确。其他三项都与文章相符。
Could there be life on Mars? You probably know a lot about the city you live in.You may even know some interesting facts about our earth.But how much do you know about M___,the planet where many think there may be l___? For many years,people have studied Mars.They have sent ...
water has already been found on MarsB. the scientiss found all the caves at nightC. itis certain thatthere is life in these cavesD. the surface of Marsislatterly cold, radiation-soaked and dry【答案】:D。【解析】:推理判断题:由文章倒数第三段得知这些洞将是寻找生命极好的地方,这里可以摆脱极...
The most definitive piece of evidence that we currently have that there may indeed be subsurface Martian microorganisms is the observation ofmethanein the atmosphere of Mars. On Earth, methane almost always comes from a biological source, but other processes can create methane -- usually volcanism ...
D.Scientists have completely recognized the surface of Mars.小题2:We can learn from the passage that .A.water has already been found on Mars B.the scientists found all the caves at night C.it is certain that there is life in these caves D.the surface of Mars is bitterly cold, radiatio...
“This suggests that there could be undiscovered river deposits elsewhere on the planet, and that an even larger section of the martian sedimentary record could have been built by rivers during a habitable period of Mars history,” saysCardenas. This has some ex...
"There is likely to be a large amount of usable water in hydrous minerals around the landing site of Zhurong as well as the vast areas in Mars' northern lowlands. That resource can be used in manned explorations on Mars in the future," the researcher said.Zhurong is the core component of...