患者男,12岁,因“双乳肿痛1月余”来诊。患者5年前因双侧隐睾、阴茎下弯行双侧腹股沟探查术及阴茎下弯矫正术,术中未探及睾丸样组织。近1个月出现双侧乳房肿痛。查体:双侧乳房肿大,乳核1cm;双侧腋下可触及无痛性淋巴结数个,直径均小于1.0cm。下一步的处理方法为()
A. 药物治疗乳腺发育
B. 剖腹探查寻找睾丸
C. 经皮穿刺左肾下极团块
D. 乳腺成形术
E. 左肾下极团块切除术
F. 放射治疗
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男性,20岁,农民,因高热伴头痛腰痛3天,无尿2天,于12月入院。查体:体温39.6℃,血压75/45mmHg,神清,颈软,结膜充血,软腭散在针尖样出血点。周围血液白细胞数为16.2×10/L,N0.80,L0.16,可见异型淋巴细胞。尿蛋白++++,血小板为7.3×10/L。对本例诊断有意义的实验室检查是()
A. 头颅CT检查
B. 肌电图检查
C. 肥达反应
D. 血液培养细菌
E. 检测血清中流行性出血热的IgM抗体
The job to gather optimizer statistics for objects runs as part of the automatic maintenance window inyour database instance. At a certain point of time, the maintenance window closes before the statisticsare gathered for all objects. Which statement is true in this scenario()
A. The statistics collection continues until all objects are processed.
B. The job is terminated and the statistics collected are restored to a time before the job started.
C. This produces an error and the statistics collected are locked until the next time that the maintenancewindow is opened.
D. The job is terminated and the statistics for the remaining objects are collected the next time that themaintenance window is opened.
女,27岁。劳累后心悸、气短5年,近1周间断咯血,无发热。查体:双颊紫红,口唇轻度发绀,颈静脉无怒张。两肺未闻及干、湿性啰音。心浊音界在胸骨左缘第三肋间向左扩大。心尖部局限性舒张期隆隆样杂音,第一心音亢进。肝脏不大,下肢无水肿。本病诊断应当首先考虑()
A. 肺结核
B. 风湿性心脏病二尖瓣狭窄
C. 室间隔缺损
D. 扩张型心肌病
E. 风湿性心脏病二尖瓣关闭不全
一座三跨预应力混凝土连续箱梁桥,主跨100m。讨论在下列各种情况下,其合适的施工方法。(a)跨越无水区域,桥下无通车需求,桥面不高;(b)跨越河流,桥下有通航需求,桥面较高;(c)跨越铁路干线,桥面不高,铁路部门允许断道的时间极为有限,沿铁路线有施工场地。