【解析】本题考查定冠词的使用。定冠词the用于表示宇宙中独一无二的事物,如thesun(太阳)、themoon(月亮)。结合句意,universe意为宇宙,是独一无二的事物,故使用定冠词the修饰。a和an是不定冠词,表示泛指,故排除。故答案为B。 反馈 收藏
If the dark-matter galaxies would exist in a time span of 1 Gyr, then they might even dictate the formation of the ordinary galaxies (i.e. the dark-matter galaxies get formed first); thus, the implications for the structure of our Universe would be tremendous....
解析 universe 题目中的括号内给出了中文词汇“宇宙”,对应的英文翻译为“universe”。句子结构为“There are many galaxies in the ___.”,此处需要填入一个表示“宇宙”的不可数名词,且需符合语法(定冠词“the”后接名词)。“universe”是唯一符合语境的精准答案。题目完整且答案明确,因此无需舍弃。反馈 ...
there are ongoing mergers that are moving so slowly — from our perspective — that they appear static. "They've basically been in the exact same state, unchanged for all of human civilization," Bassett said. Hubble gave these galaxies their own classification — irregular...
—How many galaxies are there? —Will our solar system survive the death of our sun? Eventually, time will do its work. Galaxies are remarkably stable; many have existed for well over 10 billion years. But nothing lasts forever. Far, far into the future, when the universe is many times...
B.阅读下面短文,然后根据括号内所给汉语意思写出单词的正确形式。 每空限填一词。In the vast universe, there are many galaxies
Active Galaxies What Is a Galaxy? A galaxy is a large system of stars, gas (mostly hydrogen), dust and dark matter that orbits a common center and is bound together by gravity — you can think of them as "island universes." There are many types of galaxies spanning all sorts of shap...
2. There are many galaxies in the u___. 答案 【答案】universe【核心短语词汇】galaxy:星系【翻译】在宇宙中有许多星系。【解析】根据句意:在宇宙中有许多星系。结合首字母提示判断,定冠词the后应加一个意思为“宇宙”的名词,universe是名词宇宙,in the universe:在宇宙中,答案为universe 结果二 题目 【题...
Livio pointed out there could be galaxies in these other universes — if they exist — but we have no way right now of knowing for sure. So the number of galaxies could even be greater than 200 billion, when considering other universes. ...
How many irregular galaxies are there? How many galaxies are in the Virgo Supercluster? What is a redshift galaxy? What is the large Magellanic cloud? Which galaxies have the greatest redshift? How massive are the largest known galaxies? What are the Magellanic clouds? What is the largest st...