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 ofdifferent temperatures and densities.
独立主格！B&C不是run-on sentence！
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 asa result of
E.preventing its acoustic energy from dissipating by逻辑主语是sound，sound prevent 他自己energy，错
sound怎么做逻辑主语啊？？？ 这道题的独立主格到底是怎么样的啊？？？ | 
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发表于 2011-8-22 20:11:54
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