【单选题】【消耗次数：1】
糖尿病筛选时，血糖的临界值定义：①150mg/dl，②130mg/dl，这样
①
①试验的灵敏度比②试验高
②
①试验的特异度比②试验高
③
①试验则假阳性数比②试验多
④
以上说法都不对
参考答案：
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