A. planet B. galaxy C. universe D. constellation 相关知识点: 试题来源: 解析 B。本题考查银河系相关的概念。选项A“planet”(行星)与银河系概念完全不同;选项B“galaxy”(银河系),我们的太阳系位于银河系中,符合题意;选项C“universe”(宇宙)范围太大,不准确;选项D“constellation”(星座)与银河系不...
The Milky Way is still empty, the universe is not yet saturated, everyone can become a star, as long as you are willing to work hard, the world will not give up any stupid child. 银河还很空荡...
句意:这个宇宙很大,在银河系里有数以亿计的星球。 考查大数的表达。two billion二十亿;hundreds of数百;one million一百万;billions of数亿。根据”Milky Way”结合科学知识可知,银河系是非常大的,可以容纳的星球数不清,达到数亿。故选D。反馈 收藏
The Milky Way is one of the ___ galaxies in the universe. A. larger B. largest C. more large D. very large 相关知识点: 试题来源: 解析 B。本题考查形容词最高级的用法。largest 是 large 的最高级形式,“银河系是宇宙中最大的星系之一”,所以选 B。A 选项是比较级形式;C 选项表达错误;...
The Milky Way is one of the ___ galaxies in the universe. A. big B. bigger C. biggest D. much big 相关知识点: 试题来源: 解析 C。“one of + 形容词最高级 + 名词复数”表示“……中最……之一”,这里要用最高级“biggest”,表示银河系是宇宙中最大的星系之一。反馈 收藏 ...
根据SPIRAL GALAXIES部分的"Our solar system is located on one of the arms of the Milky Way. Our galaxy has a huge black hole at its center that billions of stars circled around."(我们的太阳系位于银河系的一个旋臂上。其中心有一个巨大的黑洞,由数十亿颗恒星环绕。)可知银河系中心有一个黑洞,故...
When we see stars twinkling(闪耀)in the sky (9) , we may think a lot : with so many stars in the universe , is there life out there in space ? If there is life on other planets, what life will be like there? What transports(交通工具) do they use to travel ? Why don’t they...
The sun and its planets are called the solar system,and our solar system is a small part of a (44)Dlarger group of stars and planets,called the Galaxy or the Milky Way.There are (45)Cstars in the Galaxy,and our sun is only one of them.Scientists have also discovered many other ...
Like the Large and Small Magellanic Clouds, they have rather unusual-looking shapes.(1) What can we learn about the Milky Way? A . There are only stars inside it. B . It's the biggest spiral galaxy in the universe. C . There is a black hole at its center. D . It takes 100,...
compared with the age of the universe. The SAGA article explains that if the Milky Way Galaxy is an older, slightly less massive host with the recently added LMC and SMC, one would then expect a lower number of satellites in the Milky Way system not counting other smaller satellites that ...