4个月零22天女性患儿,因发现面色苍白3个月入院,无出血倾向,无发热,无咯血及黑便,无尿色明显加深,无皮疹。面色苍白逐渐加重,分别于入院前半月及入院前3个月于院外查到重度贫血而输血两次共100ml,输血后短暂面色红润,很快又苍白。病后曾服用"补血药"治疗病情无好转。体检:生长发育尚好,肝肋下3cm,脾肋下2.5cm,无皮疹及黄疸。呼吸急促,心前区闻及柔和SMⅡ/Ⅵ,双肺无显著异常。提示:检查报告血清结合珠蛋白:0.71g/L(0.3~2.1g/L),血清铁:正常.铁饱和度61.5%;血红蛋白电泳:HbF:4.2%,HbA:1.8%,父母血红蛋白电泳:正常;Coomb试验:直接间接均阴性。根据上述检查结果及病史,目前可以排除的疾病是()
A. 地中海贫血
B. 缺铁性贫血
C. 蚕豆病
D. 遗传性球形红细胞增多症
E. 白血病
F. 自身免疫性溶血性贫血
G. 消化道畸形
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Your company has two branch offices that connect by using a WAN link. Each office contains a server that runs Windows Server 2008 R2 and that functions as a file server. Users in each office store data on the local file server. Users have access to data from the other office. You need to plan a data access solution that meets the following requirements: èFolders that are stored on the file servers must be available to users in both offices. èNetwork bandwidth usage between offices must be minimized. èUsers must be able to access all files in the event that a WAN link fails. What should you include in your plan?()
A. On both servers, implement DFS Replication.
B. On both servers, install and configure File Server Resource Manager (FSRM) and File Replication service (FRS).
C. On one server, install and configure File Server Resource Manager (FSRM). On the other server,install and configure File Replication Service (FRS).
D. On one server, install and configure Distributed File System (DFS). On the other server, install and configure the Background Intelligent Transfer Service (BITS).
进入受限空间,应严格按照规定实行作业许可,作业时必须()
A. 单独作业
B. 一人作业,一人监控
C. 双人作业
D. 多人作业
侧烧转化炉由于受到下集合管扩展的限制,只能适用小型装置使用。
A. 正确
B. 错误
某老师在语言活动"小乌龟开店"的基础上,组织了一次表演游戏。老师一一出示早已准备好的道具,介绍完道具,配班老师带领全班幼儿"开火车"离开活动室去"剧场"看表演,主班老师忙着在活动室里布置场景:一家花店、一家书店、一家气球店。场地布置好了,幼儿由配班老师带领进入"剧场"。 主班老师提问:"谁愿意上来表演?"几十只小手举了起来,老师挑了五个没有举手而且上次语言活动表现又不好的幼儿上来表演。表演时,老师不停地提示孩子们对话,做动作。第二轮,老师请了五个"做得好的孩子"上来表演,老师还是不时地按照故事情节规范语言,纠正孩子们的动作。好多孩子忙着摆弄有趣的道具,忘了表演,老师又不停地提醒. 问题: