问题
选择题
The rainbow is one of the most beautiful ___ in nature.
A．phenomenon
B．phenomenas
C．phenomena
D．phenomenons
答案
答案：C
phenomena 是phenomenon 的复数形式。
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The rainbow is one of the most beautiful ___ in nature.
A．phenomenon
B．phenomenas
C．phenomena
D．phenomenons
答案：C
phenomena 是phenomenon 的复数形式。