解析 A。本题考查比较级的用法。A 选项“more than”表示“超过”,符合题意,意思是星系中星星的数量超过我们能想象的。B 选项“the most”是最高级形式,后面需要加名词。C 选项“most”是最高级形式,通常需要加 the 并且后面要接名词。D 选项“many”是原级,不符合句子要表达的比较的意思。
The number of stars in a galaxy can be in the ___. A. hundreds B. thousands C. millions D. billions 相关知识点: 试题来源: 解析 D。解析:一个星系中的恒星数量可以在数十亿,选项 D 正确。选项 A、B、C 数量太少不符合实际情况。反馈 收藏 ...
解析 答案: hundreds of详解: 句意:银河系中的恒星数量估计在数千亿颗。 根据"The number of stars in the galaxy is estimated to be inthe”及本单元所学单词可知,此处指的是数量, hundreds of数以百计"符合语境, 故填hundreds of。 反馈 收藏
ait was our frist skiing after a long time,we kept falling over each other 它是我们的frist滑雪在很长时间以后,我们继续下落在彼此[translate] aThere are more than 200 billion stars in our galaxy,called the Milky Way,and our Sun is only one of them. 正在翻译,请等待... ...
How do scientists estimate the number of atoms in the universe? Scientists estimate the number of atoms in the universe by first estimating the number of stars in a typical galaxy, the number of galaxies in the observable universe, and the average mass of these stars. They then use the aver...
The Green Bank Equation for the number of communicative civilizations, N, in our Galaxy is reconsidered in view of recent information on the multiplicity of solar-type stars and the possibilities of forming habitable planets around them. Our results are contingent upon the statistical validity of ...
Abundances of the Elements in the Halo Stars, Interaction between Observation and Theory The halo stars are very old stars formed at the beginning of the evolution of the Galaxy. Their main characteristic is that their atmosphere is very metal-... M Spite - 《Proceedings of the International ...
根据下文“For example, when an exoplanet moves between its star and us, it causes a small drop in the star’s brightness. Measuring this drop is the transit (凌日) method of discovery. NASA’S Kepler space telescope has discovered many exoplanets this way.”(例如,当一颗系外行星在它的恒星...
athere are more than 200 billions stars in our galaxy 有超过200亿万星在我们的星系 [translate] a青少年为了保持健康必须吃早餐 The young people in order to maintain the health to have to have the breakfast [translate] aIn contrast,system safety engineering is concerned primarily with new systems....
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