Venus is well known to be an extremely hot planet where rain does not fall. We investigated whether there were regions where liquid water could form in Venus' atmosphere, which was found to be between 40 km and 60 km. We then calculated how long it would take a raindrop to fall from ...
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【答案】：D 【答案】D。解析：由最后一段中“before man can set foot on Venus it will be necessary for the oxygen to produce rain”可知，只有金星上有降雨，人类才最终有可能在上面着陆。所以正确答案为D。
【答案】：D 由最后一段中“before man can set foot on Venus it will be necessary for the oxygen to Droduce rain”可知，只有金星上有降雨，人类才最终有可能在上面着陆。所以正确答案为D。
单项选择题 Man can eventually land on Venus only when A. the algae have done their work B. the atmosphere becomes cooler C. there is oxygen D. it rains there 点击查看答案&解析 你可能感兴趣的试题
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Here, she's lying back on a couch embracing the drops of rain from above, wiping it from her brow with her hair. If you get this, serious credit for knowing this video. There was no winging it here. You earned these five points. can you guess the '80s hair metal video from this ...
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