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问题 单项选择题 案例分析题

男性，26岁。骨关节痛半月伴全血减少，骨髓原始细胞占70％，POX阳性，红系、巨核系受抑

其治疗方案应为（）

A.长春新碱+强的松

B.长春新碱+阿糖胞苷

C.柔红霉素+强的松

D.阿糖胞苷+强的松

E.阿糖胞苷+柔红霉素

答案

参考答案：E

判断题

某建设项目建设期为3年，各年计划投资额分别为1800万元、2400万元和1900万元，年均价格上涨率为5%，则该项目建设期涨价预备费约为463万元。（）
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单项选择题

●One of the main resposibilities of ICMP is to report（）.Although technology has produced increasingly reliable transmission media, errors still exist and must be handled．IP is an （） protocol．This means that error checking and error control are not a concern of IP．ICMP was designed，in part，to compensate for this shortcoming．Howerver, ICMP does not（） errors，it simply reports them．Error correction is left to the higher-level potocols．Error messages are always sent to the original （） because the only information available in the datagram about the route is the source and destination IP addresses．ICMP uses the source IP address to send the error massage to the source of the （） .

IP is an （） protocol

A．reliable

B．unreliable

C．available

D．unavailable
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