Although some officials noted that using machines for farming in China costs more than traditional hand cultivation, the mechanization of farming in the village of Long Bow doubled the corn yield while the previous year's costs were cut in half.
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Amechanization of farming in the village of Long Bow doubled the corn yield while the previous year's costs were cut in half
分析该选项
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Bmechanization of farming in the village of Long Bow doubled the corn yield while cutting costs to half those of the previous year
分析该选项
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Cmechanization of farming in the village of Long Bow doubled the corn yield as cost were cut to half of the previous year's
分析该选项
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Dfarming mechanization in the village of Long Bow doubled the corn yield as it cut in half the previous year's costs
分析该选项
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Efarming mechanization in the village of Long Bow doubled the corn yield while costs were cut to half that of the previous year
分析该选项
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正确答案: B