問題詳情

52. According to the passage, energy is released in the Sun when
(A) helium atoms bind with each other.
(B) nuclei of hydrogen atoms collide.
(C) radiation is absorbed by helium.
(D) gamma radiation escapes from the spectrum.
(E) gamma radiatíon is absorbed by atoms.

參考答案

答案:B
難度:適中0.666667
統計:A(0),B(4),C(0),D(1),E(1)

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