正确答案: B

痰中找到结核杆菌

题目：要判断肺结核有无传染性，以下最可靠的依据是

解析：

B

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举一反三的答案和解析：

[单选题]中国封建制五刑正式确立于（）。

隋朝

[多选题]Text 3 In recent years, railroads have been combining with each other, mergingsintossuper systems, causing heightened concerns about monopoly. As recently as 1995,the top four railroads accounted for under 70 percent of the total ton-miles moved by rails. Next year, after a series of mergers is completed, just four railroads will control well over 90 percent of all the freight moved by major rail carriers.Supporters of the new super systems argue that these mergers will allow for substantial cost reductions and better coordinated service. Any threat of monopoly, they argue, is removed by fierce competition from trucks. But many shippers complain that for heavy bulk commodities traveling long distances, such as coal, chemicals, and grain, trucking is too costly and the railroads therefore have them by the throat.

C

[多选题]逻辑证明是对实践检验真理标准的补充，而不能成为检验真理的标准的原因是

逻辑证明只能证明前提条件与结论的一致性(或自治性)

逻辑证明不能证明结论的真理性

逻辑证明不能证明它们与客观事物及其规律是否一致

逻辑证明中使用的逻辑法则，也是在实践中产生的，必须经过实践的检验才能获得真理性

解析：ABCD