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The passage focuses on comets primarily in terms of their It can be inferred from the passage that the nucleus of a comet is m
The passage focuses on comets primarily in terms of their It can be inferred from the passage that the nucleus of a comet is m
admin
2004-12-28
89
问题
The passage focuses on comets primarily in terms of their
It can be inferred from the passage that the nucleus of a comet is made up of
选项
A、dust and gas
B、ice and dust
C、hydrogen gas
D、electrically charged atoms
答案
B
解析
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