An hour of hunting yields on average about 100 edible calories, as an hour of ga

游客2023-11-28  25

问题 An hour of hunting yields on average about 100 edible calories, as an hour of gathering produces 240.

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答案 连词误用,应把as改为while/whereas。

解析 根据上下文,这里应该是将hunting和gathering的结果进行对比,而不是因果关系。
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