He is glad of his pay—very properly so, and just complains when you keep him ten months without it; still, his main opinion of life is to win battles, not to be paid for winning them. So of doctors. They like fees no doubt—ought to like them; yet if they are brave and well...
A. The Possibility of Life on the Mars B. Future Conditions on the Mars C. The Mars and the Earth D. A Study of the Climate of the Mars 相关知识点: 试题来源: 解析 A解析:文章的标题就是文章的中心。作者从火星上曾经有过生命的证明谈到未来通过提高温度而使火星适合生存的设想,表明文章的中...
The author’s attitude towards the possibility of life on the Mars in the future is___. A. doubtful B. positive C. negative D. uninterested 相关知识点: 试题来源: 解析 B 正确答案:B 解析:要求判断作者对未来火星上有生命可能性的态度。第一段中作者表明火星上有流水的痕迹,两极有冰,有些科学家...
possibility 10. agreement 1. 地球因人口快速增长变得更加拥挤,故填 more crowded。 2. 污染的空气危害健康,应减少空气污染,故填 polluted, pollution。 3. 随着科技发展,人们希望人类能太空旅行,故填 With, is hoped。 4. 与已有相比,新邮票不有趣,故填 Compared。 5. 父母都不理解你,更别说只认识三天的...
Many scientists believe it would be possible to maintain a permanent human presence on Mars or the Moon. On the other hand, conditions on Venus are so extreme and inhospitable that maintaining a human presence there would be impossible.
1.the distance from Mars to the Sun;2.that there is a possibility for humans to live on Mars in the future;3.that the low gravity on Mars might be a problem;4.the kind of transport on Mars;5.the number of people who want to move to Mars;6.the difference between life on Mars ...
But across the latter half of this period, there has been a steep___ in media coverage (报道)of the subject.Think of what would change if we valued___ on the earth as much as we value the possibility water on Mars.___ 3% of the water on this planet is fresh and of that, two...
There might be living things on ancient Mars.C. The volcanic eruptions showed evidence of life.D. The volcanoes on Mars erupt frequently nowadays. 相关知识点: 试题来源: 解析 【解析】【文章大意】1.【答案】A【解析】细节理解题。根据文章第一段,我们可以得知太阳系中的火星的情况,A选项意为“...
Is there life on Mars? We do not know. But we are sure that earth people do not live on Mars. Earth people need oxygen to breathe. There is almost no oxygen on Mars. It is uncertain exactly how life arose on Earth, so it is difficult to determine how com
But scientists theorize that water on Mars is able to maintain a liquid form due to the high level of the salt content—so high that the possibility of active life surviving in such a habitat is pretty low.With the salty water and an unsuitable climate, Mars is currently a place not fit...