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【多选题】
暴雨预警信号分四级，分别以蓝色、黄色、橙色、红色表示。下列说法正确的是( )。A.
暴雨蓝色预警信号：12小时内降雨量将达50毫米以上，或者已达50毫米以上且降雨可能持续
B.
暴雨红色预警信号：2小时内降雨量将达120毫米以上，或者已达120毫米以上且降雨可能持续
C.
暴雨黄色预警信号：6小时内降雨量将达50毫米以上，或者已达50毫米以上且降雨可能持续
D.
暴雨橙色预警信号：3小时内降雨量将达50毫米以上，或者已达50毫米以上且降雨可能持续
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A.
These beech trees have shallow roots
B.
I found the film rather shallow.
C.
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D.
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A.
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B.
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C.
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D.
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E.
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A.
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B.
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C.
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D.
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