题目内容

A red triangular daymark marks （）.

A. the centerline of a navigable channel
B. the starboard side of a channel
C. a prominent object of navigational interest that has no lateral significance
D. an area of a channel where passing another vessel is permitted

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地位是指在正式组织结构中的职位。

A. 正确
B. 错误

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患者，男性，22岁。因发热、伴淋巴结无痛进行性肿大2个月入院。既往无输血史。入院后确诊为非霍奇金淋巴瘤。给予化疗和放疗治疗后，病情明显好转。三个月后又复发、高热、伴消化道出血。淋巴结、肝、脾大。化验全血细胞减少，周围血见到幼稚淋巴细胞，骨穿确诊为淋巴瘤合并淋巴肉瘤白血病。立即给予化疗，因血小板10×10⁹/L，连续输注血小板2次，出血症状未见改善，血小板数量不增，考虑患者血小板输注无效。患者血小板输注无效的原因（）

A. 发烧、肝、脾大
B. 自身抗体
C. 药物性抗体
D. HLA抗体
E. HPA抗体

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You have a DNS server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Server1 hosts a primary zone for contoso.com. On Server1, you update the host (A) record for server2.contoso.com to have a new IP address. On Server1, you run Ping server2.contoso.com from a command prompt and the old IP address for Server2 is returned. You need to ensure that the new IP address for Server2 resolves correctly on Server1. What should you do?（）

A. Run Nbtstat C
B. Run Ipconfig /flushdns.
C. Restart the DNS Server service.
D. Open the DNS snap-in， right-click on the server and click ClearCache.

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某污水管道工程主干线长1.5km，采用φ1000mm的混凝土平口管，管外底标高为-5m;支管长200m，采用Φ400mm混凝土平口管，管外底标高为-2.5m.管道接口采用水泥砂浆抹带。工程地质条件为无地下水粉质黏土。本工程采用开槽施工，主干线在穿越道路交叉口路段交通繁忙，在征得设计同意后，改为人工掘进顶管施工。在支管K0+20m处有DN200自来水管垂直相交，两管净距为0.7m。施工中对交叉的自来水管采用砌筑管廊的保护措施顶进过程中出现()情况时，可以继续顶进.

A. 工具管前方遇到障碍
B. 顶铁发生扭曲
C. 按缝中漏泥浆
D. 顶力稳步增加

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A red triangular daymark marks （）.

A. the centerline of a navigable channel B. the starboard side of a channel C. a prominent object of navigational interest that has no lateral significance D. an area of a channel where passing another vessel is permitted

地位是指在正式组织结构中的职位。

A. the centerline of a navigable channel
B. the starboard side of a channel
C. a prominent object of navigational interest that has no lateral significance
D. an area of a channel where passing another vessel is permitted