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男,60岁,主诉:食入肉类制品后,腹痛、腹胀、水样腹泻,无恶心,呕吐。粪便标本厌氧培养,见血琼脂平板上出现双层溶血环,卵磷脂酶和Nagler试验阳性,请问该患者可能感染的病原体是哪种细菌?如何检验及防治?

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One day, I received a phone call from an old lady, who had a __1__ voice. She asked my opinion about suicide. I didn’t expect such a call. But I didn’t respond with something flippant. Instead, I listened to her story. The lady told me she had terrible dieeases and she wanted to__2__ suicide because she though she was burden to her family.Then she__3__into tears. Confused and searching for what to say, I stalled for time and__4__about the lady’s family. She told me that Andrew, her__5__middle child, had gotten especially close to her during her illness since he wanted her forgiveness for what what he had done during his young adult years. Meanwhile, my memories__6__. Her story story reminded me of my Grandma Florence. When she was terribly ill, I was not ready to let her die. Maybe someone in my callers's life also needed more time. the lady agreed with me. In our conversation, I learned that during the months after her__7__cancer, Andrew made her a casket and wanted to have time to __8__.Then the lady told me about Sarah, her granddaughter. She gave birth to a stillbom baby and her loss seemed__9__. She said perhapsGod knew that Sarah couldn’t deal with another death right now. As she talked, the lady’s voice grew a little stronger. From my training, I learned this is sometimes an__10__ that a person is beginning to see a ray of hope. Her perception was that God had a purpose for her life. He needed her help on Earth just a little longer.

对变电设备进行检查、清扫、调整,保持变电设备正常的技术状态的是()。

A. 小修
B. 中修
C. 大修
D. 临时修

用于突发性变电所设备故障(关系事故、自然灾害、异物影响、人为破坏等非正常情况以及突然爆发的设备隐患)的恢复性修理的是()

A. 小修
B. 中修
C. 大修
D. 临时修

牵引变压器的大修周期推荐值是()。

A. 6-8
B. 8-10
C. 10-15
D. 15-20

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