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  3. 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?

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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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