1.【答案】have;found;yet【核心短语/词汇】find 发现;planet 行星;【翻译】然而,我们还没有任何其他行星上发现生命。【解析】根据句意可知为现在完成时,即“have done”的形式,否定形式为“have not done”,主语为“we”,因此第一个空填“have”;“发现”为find,因此第二空上应该填find的过去分词形式“...
D. The only planet with intelligent life. (3) Why was it hard to look for signs of intelligent life in the universe in the past? ___ A. Because scientists didn't have telescopes. B. Because there were not any powerful telescopes. C. Because the astronomers were not interested...
For now, the focus is on locating planets within a host star's so called "habitable zone", a zone that's a certain distance from its star ,because only planets within this zone could conceivably support carbon-based life. So, what would such a planet need?
4 Reasons Why Life on Other Planets Is Possible Slattern from the moviePacific Rim. Water is turning up on more planets. The sheer vastness of the universe. “It’s highly improbable in the limitless vastness of the universe that we humans stand alone,” Charles Bolden, NASA Administrator, ...
网络释义 1. 其他行星 《行星》(怀特豪斯)【摘要 书评 试读】- 京东图书 ... PLuto 冥王星Other planets其他行星Amazing planet facts 行星异事 ... book.jd.com|基于8个网页 2. 其他星球 北京出版社 小学英语 ... ... travel to many places 到很多地方旅行other planets其他星球football coach 足球教练 ...
D. Earth: The Only Planet with Intelligent Life 3. Why was it hard to look for signs of intelligent life in the universe in the past? A. There were not any smaller planets. B. There were not any powerful telescopes. C. The astronomers were not interested in them. D. The Milky Way...
C.The universe is too old to have just one planet with intelligent life. D.Some other planets in the Milky Way have water. (4) What kinds of planets are most likely to have intelligent life? A.Earth-size planets in our solar system B.Earth-size planets in other solar systems C.larg...
成都自然博物馆|不止于是遛娃圣地🦕 | 人类无法孤独地行走于天地之间。世界去向何方,取决于我们如何与生命相处。以自然之道,养万物之生。“Humans cannot walk alone on this Planet Earth.Where the world goes will depend on how we get along with other life forms....
have not found life on any other planets yet.我们还没有在任何其他行星上发现生命。The earth is a planet and it goes around the sun. Seven other planets also go around the sun.地球是颗行星，它绕着太阳转。其他七颗行星也绕着太阳转。None of them has an environment like that of the earth,...
The magnitude of that tilt can even determine whether a planet is habitable to life. Seasons on Earth When a planet has perfect alignment between the axis it orbits on and the rotational axis, the amount of sunlight it receives is fixed as it orbits around the Sun–assuming its orbital ...