题目内容

诊断支气管肺癌最可靠的依据是:

A. 病史体征
B. 胸部X线
C. 胸部体层摄片检查
D. 胸部CT检查
E. 痰细胞学检查

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根据保险利益原则,财产保险在保险事故发生时,人身保险在保险合同成立时,被保险人或投保人对保险标的必须具有保险利益。()

A. 正确
B. 错误

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高压断路器能根据需要,将电路设备或线路投入(或退出)运行,能在某些电气设备或线路发生故障时,将()从电网中快速切除,保证电网无()正常运行。

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A. found out
B. eliminated
C. avoided
D. lowered

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