听力原文：In the August of 2006, a sudden flush flood turned this peaceful valley into deadly rushing whitewater. 29 people were swept to their deaths.
(55)

A.
(55)


【参考答案】

2006年8月一场突如其来的洪水使这条宁静的山谷变成了白浪滔滔的洪流29人被洪水卷走丧命。
2006年8月，一场......

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