单项选择题

Antonyms Neutron stars are believed to be the highly com-pressed remnants of exploding stars (supernovas) and thus of one of the most processes in nature.

A． causes...cataclysmic
B． products...violent
C． examples...equivocal
D． justifications...harsh
E． precursors...dynamic

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问答题

Antonyms Neutron stars are believed to be the highly com-pressed remnants of exploding stars (supernovas) and thus ______of one of the most ______ processes in nature.