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  3. AHuman blood has Ba chemical composition similar to Ca seawater from which our D

AHuman blood has Ba chemical composition similar to Ca seawater from which our D

游客2024-01-02  56
问题 AHuman blood has Ba chemical composition similar to Ca seawater from which our Dancestors first emerged.
选项 A、 
B、 
C、 
D、 
答案 C
解析 A seawater is incorrect because seawater is definite before the limiting modifier from which our ancestors first emerged. Correction: the seawater.
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