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Why was Kohoutek referred to as "the comet of the century" ? According to the passage, what is one major component of Jupiter?
Why was Kohoutek referred to as "the comet of the century" ? According to the passage, what is one major component of Jupiter?
admin
2009-03-16
48
问题
Why was Kohoutek referred to as "the comet of the century" ?
According to the passage, what is one major component of Jupiter?
选项
A、Hydrogen cyanide.
B、Methyl cyanide.
C、Hydrogen.
D、Ammonia.
答案
D
解析
文章倒数第四行:If compounds no more complex than ammonia and methane, key components of Jupiter, were seen in comets.如果混合物只是氮和甲烷,那么在慧星上发现木星的主要元素是氮和甲烷。
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公共英语四级笔试题库公共英语(PETS)分类
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公共英语四级笔试
公共英语(PETS)
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