按要求写句子。
(1)死亡在洪水的狞笑声中逼近。(缩写句子)
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(2)脸上淌着雨水。(扩写句子)
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(3)小伙子瞪了老汉一眼,站到了后面。(改成双重否定句)
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(4)山洪咆哮着。(改成比喻句)
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(5)老汉用力把小伙子推上木桥。(请你换一种说法)
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