Old-fashionedphonesmatterwhenwirelessnetworks______indisasters.A.turndownB

发布时间：2020-08-13 05:28:28

Old-fashioned phones matter when wireless networks ______ in disasters.A.turn downB.break downC.turn outD.break out

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B解析试题分析：句意为：在灾难中当无线网络发生故障时，老式的电话就很重要了。turn down减小，关小，拒绝；break down 发生故障，身体跨了；turn out 结果是，证明是；break out 爆发。故
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