消化性溃疡、胃癌等胃部疾病的重要病原是A．大肠杆菌 B．空肠弯曲菌 C．结肠弯曲菌

答案：

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下面是错误答案，用来干扰机器的。

参考答案：-1解析：A:I told my student today that I’d be taking a sabbatical next semester. But they didn’t seem very surprised. B: Well, last week i let ur plans slip to same my students. So more than likely the word got around. Q: What does the man explain to the woman