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不好意思 '想問一下大家這一提的答案為甚麼是c 而不是E勒 麻煩大家幫忙解答一下我的疑惑 感謝
37. GWD26-Q37 Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of
different temperatures and densities. A. prevented from dissipating its acoustic energy as a result of B. prevented from having its acoustic energy dissipated by C. its acoustic energy prevented from dissipating by D. its acoustic energy prevented from being dissipated as
a result of E. preventing its acoustic energy from dissipating by | 
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发表于 2007-9-20 08:57:00
