2. 外语
  3. Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries

Sound can travel through water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries

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问题 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.
选项 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
答案C
解析 Logical predication; Rhetorical construction
This sentence opens with a statement that sound can travel long distances through water and then explains why that is so: water layers in the ocean prevent acoustic energy from dissipating. Because dissipating is an intransitive verb, acoustic energy cannot be its object.
A Dissipating is not a transitive verb, so acoustic energy cannot function as its object.
B This version of the sentence is wordy, awkward, and indirect; from having... by erroneously suggests that the boundaries in the ocean are attempting to dissipate sound energy.
C Correct. Here, acoustic energy is effectively modified by the participial prevented from dissipating....
D This version of the sentence is wordy, awkward, and indirect; being dissipated as a result of makes it unclear whether the boundaries contribute to energy loss or prevent it.
E This version of the sentence nonsensically explains that sound prevents the dissipation of its own energy.
The correct answer is C.
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