女性,40岁,突发高热、畏寒,右上腹胀痛。查体:体温39.7℃,无黄疸,右上腹压痛(+)伴肌紧张,肝肋下3cm,肝区叩痛(+)。血常规WBC16.9×109/L。X线胸片结果提示:右膈抬高,活动受限。腹部B超结果提示:肝右后叶可见直径7cm的液性暗区。以下哪一项不是患者的并发症()
A. 幽门梗阻
B. 胆道出血
C. 右膈下脓肿
D. 继发性腹膜炎
E. 右胸腔脓肿
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货车厂修时120阀中间体检修:中间体外壁必须清除锈垢,内腔和气路用压缩空气吹扫,并用600Kpa以上风压试验,各型腔、气路间不得串通和泄漏,各堵不得泄露,内壁漏泄时更换,外壁漏泄、裂纹、缺损时焊修或更换,经焊修后必须重新用()以上风压试验,合格后方准使用。
A. 500Kpa
B. 550Kpa
C. 600Kpa
D. 650Kpa
You are developing a Windows Communication Foundation (WCF) service. You write a method named Submit that accepts messages of the type System.ServiceModel.Channels.Message. You need to process the body of the incoming messages multiple times in the method. Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)()
A. Use the GetBody method of the Message class to read the content of the messages.
B. Use the CreateBufferedCopy method of the Message class to load the messages into memory.
C. Use the WriteBodyContents method of the BodyWriter class to make a copy of the messages.
D. Use the CreateMessage method of the MessageBuffer class to make a copy of the messages.
简要说明如何减少观察的误差,以保证观察的客观性和准确性。
某一栋高为36米,每层建筑面积为1200平方米的商业楼,设有独立的消防电梯前室,前室设有防火卷帘。 问:(1)该商业楼为哪类高层建筑? (2)消防电梯前室面积不少于多少? (3)前室防火卷帘的停滞功能应如何控制? (4)什么条件下消防电梯前室不允许设置防火卷帘?