问题
单项选择题
患者，男，43岁。右腰钝痛3年，未经诊治，2周前B超可见右肾区有鹿角结石，面积在400mm2，有轻度积水，肾图右肾轻度受损，IVU。肾正常，双输尿管正常，应最好采取的治疗方法是
A．经皮肾镜碎石
B．体外震波碎石
C．肾实质切开取石
D．肾切除术
E．肾盂切开取石
答案
参考答案：B
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患者，男，43岁。右腰钝痛3年，未经诊治，2周前B超可见右肾区有鹿角结石，面积在400mm2，有轻度积水，肾图右肾轻度受损，IVU。肾正常，双输尿管正常，应最好采取的治疗方法是
A．经皮肾镜碎石
B．体外震波碎石
C．肾实质切开取石
D．肾切除术
E．肾盂切开取石
参考答案：B
阅读下列短文，从文后各题所给的四个选项中选出一个最佳答案 。 When I was in primary school, I had a big argument with a boy in my class. I can’t ____ what it was about, but I have never forgotten the ____ I learned that day. I was sure that I was right and he was wrong. ____ , he strongly believed that I was wrong and he was right. The teacher decided to teach us a lesson. She _____ a good idea. She brought both of us to the front of the class and placed him on one side of her grey desk and me on ____. In the middle of the desk was a large, round object. It was ____ for me to see that it was black. She asked the boy what color the object was. “_____” he answered in a loud voice. I couldn’t ____ that the object was white, considering that it was certainly black! One more argument started between the boy and me, this time ____ the color of the object. The teacher told me to go stand where the boy was standing and told him to come stand where I had been. We changed ____, and then she asked me what the color of the object was. I ____ answer, “White.” It was then that I knew what was wrong. It was an object with two ____ colored sides, and from his side it was white. ____ from my side was it black. My teacher taught me a very improtant lesson that day: You must ____ in other person’s position （位置）and look at the ____ through their eyes in order to truly understand their ideas.
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