题目内容

调车模式(SH):牵引运行时,限制速度为()。

A. 20km/h
B. 60km/h
C. 40km/h
D. 80km/h

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真空灭弧室主要由绝缘外壳、屏蔽罩、()及动静触头等组成。

A. 瓷柱
B. 波纹管
C. 熔断体
D. 绝缘管

You are a system administrator at Company. The network includes 100 Windows 2000 Professional computers. A user named Peter wants to share a local printing device directly connected to his computer. Peter needs to share this device among three groups: Engineering, Accounting, and Operations. Peter wants to delegate printer administration to one print administrator from each group. Each print administrator must be able to delete print jobs generated by their own group on the print device. They should not be able to delete print jobs from other groups. You want to configure Peter’s client computer to support these requirements. What should you do? ()

A. Create a single shared printer to be used by all three groups.Allow each print administrator Manage Documents permission.
B. Create a separate shared printer for each group. For each shared printer, allow the respective print administrator Manage Documents permission.
Create a single shared printer to be used by all three groups. Add the print administrator’s user account from each group to the Power Users group on Peter’s client computer.
D. Create a separate shared printer for each group. Add the print administrator’s user account from each group to the Power Users group on Peter’s client computer.&e

患者男,45岁,因“颈部包块伴声音嘶哑1个月”来诊。曾有阵发性面潮红。既往史无特殊,家族中无甲状腺疾病和肿瘤史。查体:P96次/min,BP150/100mmHg;声音嘶哑;颈部明显增粗,甲状腺Ⅲ度肿大,左侧直径4cm结节,质地硬,活动度差;双侧淋巴结肿大。(提示:检查结果显示甲状腺功能正常,TgAb200U/L(正常值<150U/L),TPOAb20U/L(正常值<35U/L),血清降钙素300pg/ml(正常值<10pg/ml),甲状腺B超发现甲状腺左叶有4.5cm×5.0cm低回声结节,伴粗大钙化点,直径0.2cm,右侧2个低回声结节,直径分别为0.8cm×0.7cm和0.3cm×0.2cm。声带检查发现左侧声带运动障碍。)为除外MEN2A还需要做的检查是(提示:患者入院期间,监测血压发现持续性高血压,150~160mmHg。)()。

A. 超声心动图
B. 24h尿儿茶酚胺
C. 血清PTH
D. 血钙、磷
E. 肾上腺CT
F. 心脏MRI

男性,23岁。腹痛、腹胀12小时。患者12小时前因撞车,被木柱击中腹部,腹壁挫伤后剧痛,休息后逐渐缓解。半日后腹壁又开始疼痛,持续钝痛,伴有腹胀,逐渐加重,遂来院就诊。查体:T37.6℃,P80次/分,R20次/分,BP118/78mmHg。神清,查体合作,头颈、心、肺未见异常,腹稍胀,腹式呼吸减弱,脐周可见挫伤痕迹,全腹均有压痛,而以腹中部最重,腹肌稍紧张,反跳痛较明显,肝浊音界存在,移动性浊音(±),肠鸣音减弱,听不清。辅助检查:Hb120g/L,WBC11×109/L。腹部X线平片:膈下未见明显游离气体;B超显示肠间隙增宽,腹腔穿刺有少量淡黄色混浊液体。要求:根据以上病历摘要,请写出初步诊断及诊断依据、鉴别诊断、进一步检查与治疗原则。

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