试题与答案

王师傅做了102个零件,全部合格。合格率是[ ] A.102% B.100% C

题型:选择题

题目:

王师傅做了102个零件,全部合格。合格率是[ ]

A.102%    

B.100%    

C.98%

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:肾综合征出血热出血的机制有多种因素,包括血管壁的损伤、血小板数目减少及功能异常等,肝素类物质的增加可促进出血的发生。

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