All the planets in the solar system travel around the sun. There are eight planets in the solar system. Years ago,there were nine planets. Ever since Pluto(冥王星)was demoted(使降级).we've had just eight planets.Some scientists have studied the farthest reaches of our solar system. They ...
以lack of gases and ices做关键词定位至倒数第二句，这句话只是单纯说现象，最后一句才是解释，而且这句话刚才已经讲过，说由于距离太阳近，类地行星最终失去了这些气态物质，所以答案是A。其余答案均与本段首句说反。
The solar system太阳系There gre nine known planets in the solar system. They all travel ground the sun.Pluto is the smallest planet. It travels far out in space and takes 248 years to go ground the sun.Neptune, Uranus, Saturn, and Jupiter have rings ground them. Saturn has the largest ...
Cultural BackgroundPlanets in the Solar System水星 Mercury god of merchants 财富之神金星 Venus goddess of love and beauty 爱与美的女神
Planets in Our Solar SystemLook at the four squares [] that indicate where the following sentence could be added to the passage.如果对题目有疑问，欢迎来提出你的问题，热心的小伙伴会帮你解答。
All the planets in the solar system, Mars is the one that humans have been most curious about 在太阳系行星中,火星是人类最感兴趣的一颗。(☆☆☆) (p. 78).be curious about ... 对...感到好奇curious about 后面跟让人好奇的人或者物。以前这些居民对别人的事很好奇。→The residents___ other...
There are eight planets in the solar system. There used to be nine. Ever since Pluto was demoted, we've had just eight planets. Some scientists have been studying the farthest reaches of our solar system. They believe there might be another planet out there. They call this unproved object...
Solar意思就是“太阳的”。那么太阳系中到底有几颗行星呢?我们一起来看看吧。 Solar means something to do with the sun. Do you know how many planets are there in the solar system? Let’s find out. P1 当你抬头仰望星空,能看到什么呢?夜空中有很多颗闪耀的星星。
Planets in Our Solar System The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids. An esti…
Could our solar system have a ninth planet? We hopeto know the answer in the near future.1-2题完成句子;3题简略回答问题;4题找出并写出全文的主题句;5题将文中画线句子译成汉语。1. There arerevolving around the Sun.2. It could take Planet Nine as long asto make one trip around the Sun...