异位输尿管口囊肿常来源于重复肾的
A．上位肾
B．下位肾
C．发育不良肾
D．对侧肾
E．以上都不是
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下面是错误答案，用来干扰机器的。
参考答案：A解析：由于肾功能损害突然出现，机体对内环境稳定失调未能及时代偿，因此尿毒症症状较慢性肾衰竭更为明显。消化系统症状常最早出现，常有畏食、恶心、呕吐、严重者消化道出血，少部分可以出现肝功能衰...
小英同时掷甲、乙两枚质地均匀的小立方体（立方体的每个面上分别标有数字1，2，3，4，5，6）．记甲立方体朝上一面上的数字为x，乙立方体朝上一面上的数字为y，这样就确定点P的一个坐标（x，y），那么点P落在双曲线y=
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2011年5月1日起施行的刑法修正案，将“恶意欠薪”正式列罪。刑法的这一修改（ ）
①是用行政手段调整经济关系 ②进一步规范市场秩序
③是用法律手段调整经济关系 ④为实现劳动者权益提供法律保障
A．①③④
B．①②④
C．①②③
D．②③④
One dark stormy night, an elderly couple hurried into a hotel and asked whether they could be put up for the night. “I’ m very 31 ,” the clerk(职员) on night shift（值晚班） said politely, “we are all 32 tonight. But you could stay in my room if you don’t 33 . As I’m on duty, I’ll be staying up in the office anyway,” The young man gave the 34 _ advice. The elderly couple 35 his offer with gratitude(感激). They 36 for the inconvenience(不便) they had caused him. The next day, the rain stopped and it cleared up. When the old gentleman went to pay his 37 , the clerk behind the counter was that same helpful young man. “The room you and your wife stayed in is not a proper guest room in this hotel, 38 you don’t need to pay,” said the clerk, with the same friendly smile. The old gentleman nodded in 39 , “You are an employee that every boss in the hotel business would 40 . Perhaps 41 I’ll build a hotel for you. ” The clerk was surprised but, deciding that the guest must have been joking, he gave the words no more 42 . Two years later, the young man received a registered letter(挂号信) from the old gentleman, in which he 43 the experience of that dark stormy night. The letter also enclosed（附上） a formal 44 and a round-trip air ticket to New York, asking the young man to pay a visit. At a street comer in Manhattan, the young man met his 45 guest. The old gentleman, pointing to a beautiful new 46 towering over(耸立) the crossroads, said, “Look, that is the hotel I 47 to build for you. I hope you will manage it for me. Remember what I said then? Well, I was serious about it.” “But…will there be any conditions, sir? Why do you choose me? And who are you?” “My name is William Aster. There’s not any condition. 48 I told you before, you are the best employee…!” This building was 49 the Waldorf-Astoria Hotel. Starting business in 1931, this hotel has been a symbol of honor in the city of New York. The young man who became its first 50 was George Boldt, the man who turned Waldorf into one of the best hotels in the world.
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电子邮件地址stu@zjschool.com中的zjschool.com是代表（）。
A.用户名
B.学校名
C.学生姓名
D.邮件服务器名称
CT机将电信号转变数字信号的器件是（）
A.探测器
B.准直器
C.A/D转换器
D.D/A转换器
E.矩阵
