The tremendous heat at a star’s core,______ tremendous gravity, joins the nuclei

游客2023-11-08 3

问题 The tremendous heat at a star’s core,______ tremendous gravity, joins the nuclei of hydrogen atoms.

选项 A、combined with
B、having combined with
C、combining with
D、being combined to

答案 A

解析 combined with 此处表示一种一般情况，相当于when (it is)combined with，所以无需时态变化。

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