Manufacturers rate batteries in watt-hours; if they rate the watt-hour higher, the longer the battery can be expected to last.
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Aif they rate the watt-hour higher, the longer
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Brating the watt-hour higher, it is that much longer
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Cthe higher the watt-hour rating, the longer
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Dthe higher the watt-hour rating, it is that much longer that
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E when the watt-hour rating is higher, the longer it is
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正确答案: C