2. 职称英语
  3. A、They tend to overlap as they appear.B、They tend to result from the residual m

A、They tend to overlap as they appear.B、They tend to result from the residual m

游客2025-02-23  29
问题
选项 A、They tend to overlap as they appear.
B、They tend to result from the residual matter of supernovas.
C、They tend to generate in sudden irregular fits.
D、They tend to destroy their progenitor clouds.
E、They tend to form away from gas coronas.
答案 C
解析
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