astronomical adj. 天文的;天文学的
synthesize v.合成,综合
stellar adj.恒星的;星球的
注释:
2. burning question:最吸引人的问题,亟待解决的问题。
4. protostar 原恒星,就是处于原始状态的恒星。原恒星由 大爆炸后产生的星际云演变而来。
信息词
1. What can the state-of-the-art computer simulation tell us about?
B.How the Big Bang marked the beginning of our universe.
D.How dust grains and gases form after the Big Bang.
2. What does the astronomical object refer to?
B.Cosmic dark ages.
D.Dust grains and gases.
n.分钟 a.微小的
A.A unit of time equal to one sixtieth of an hour.
C.Exceptionally large.
原恒星
A.It had a mass of one percent of the sun.
C.It began to combine heavy elements after it evolved into a massive star.
信息词
A.To know more about the mass and properties of the first stars of the universe. .
C.To know how a stellar object becomes a true star.
答案与题解:
2. C 根据上下文,astronomical object 指的是上段第二句中的first stars,即下面一段第一句中的protostar。
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