【解析】题干问的是：根据第 2 段，下列关于十八世纪太阳系起源理论的说法，哪一个是正确的？根据题干the origin of the solar system定位到段首句：关于太阳系起源的一个关键证据是，所有的行星都在同一个方向和几乎同一个平面上绕太阳公转，对应A选项。
Discover the order of planets in the solar system. From Mercury to Neptune, explore our solar system and learn more about our cosmic home.
【题文】Kepler proved that the sun ___ the center of the solar system. ( )A. is B. was C. had been D. would be 相关知识点: 试题来源: 解析 【答案】A 【解析】【分析】【详解】句意:开普勒证明了太阳是太阳系的中心。太阳是太阳系的中心,是事实情况,用一般现在时。故选A。反馈 ...
Bits of rock or iron go around the sun. 岩石碎片和铁围绕太阳运转。 The solar system is a great BIG family! 太阳系是一个大家庭!
【题目】Kepler proved that the sun the centre of the solar(太阳的)system.A.isB.wasC.has beenD.would be 相关知识点: 试题来源: 解析 【解析】【答案】A-|||-【核心短语/词汇】centre:中心-|||-【翻译】开普勒证明了太阳是太阳系的中心。-|||-【解析】考查谓语。太阳是太阳系的中心为客观定-|||...
《The Solar System》是一本富有知识性和趣味性的科普绘本,它以生动的插图和简洁的文字,向读者展示了太阳系的奥秘。从太阳这颗巨大的恒星,到八大行星、小行星、彗星等天体,每一个部分都充满了无尽的魅力。绘本…
China will also study plans for exploration of the boundaries of the solar system, Wu noted. The Mars sample retrieving mission will be much more difficult than the one to the Moon, and the first thing that needs to be solved is the development of a launch vehicle with greater thrust. "...
The solar system is a family. The solar system has many parts. The sun is at the center. Fun fact:Planets get heat and light from the sun. Nine planets go around the sun. Earth is one of the nine planets. …… 温馨提示:版权...
The solar system is made up of the sun, eight planets, moons, asteroids, comets, and other celestial bodies. The sun is a massive star that provides light and heat to the planets. The eight planets in our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptu...
solar system 1.OftenSolar SystemThe sun together with the planets and all other bodies that orbit the sun, including moons, asteroids, and comets. See more atnebular hypothesis. 2.A system of planets or other bodies orbiting another star. ...