【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 ...
having to do with, powered by, or influenced by, the sun.the solar year;a solar heating system.solar solar ˈpanelnoun a piece of equipment,usuallyinstalled on a roof, that absorbs energy from the sun to heat water or turn it into electricity.panel solar ...
【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。
(86)《Draw me a star》给我画星星 the solar system 2音频:00:0004:18 ☝ ☝ 复习27周学过的类似绘本《The Solar System》 ☞《Comets》是咱们共读计划(廖彩杏书单)的第78本绘本。 在第27周的时候,我们学过一篇太阳系之歌。可以戳...
托福阅读真题第216篇OriginoftheSolarSystem(答案文章最后) Origin of the Solar System Paragraph 1:The orderly nature of our solar system leads most astronomers to conclude that the planets formed at essentially the same time and from the same primordial (original) material as the Sun. This material...
While we do not yet have a wholly complete answer, a consensus has arisen about the most likely series of events that led to the present-day system of the Sun and planets. A key piece of evidence about the origin of the solar system is that all the planets orbit the Sun in the same...
There are thousands of asteroidsin the solar system. 太阳系中有数以千计的小行星。 Asteroids go around the sun. 小行星都绕太阳运行。 Comets are balls of ice. 彗星是个冰球。 Comets go around the sun. 彗星绕着太阳转。 Fun Fact: 有趣的事...
1.A key piece of evidence about the origin of the solar system is that all the planets orbit the Sun in the same direction and in nearly the same plane.As long ago as the eighteenth century, German philosopher Immanuel Kant and French scientist Pierre-Simon deLaplace independently suggested ...
origin of the solar system托福阅读 The origin of the solar system is a fascinating scientific topic that has intrigued researchers for many years. Through careful examination of various celestial bodies and the analysis of different data, scientists have developed several theories to explain how our ...