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心脏骤停病人早期除颤原因?(心肺复苏)

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“经济订货量”模型只考虑了成本因素,没有考虑()因素。

A. 质量
B. 时间
C. 价格
D. 资金

Your company has a main office and a branch office. The main office has a domain controller named DC1 that hosts a DNS primary zone. The branch office has a DNS server named SRV1 that hosts a DNS secondary zone. All client computers are configured to use their local server for DNS resolution. You change the IP address of an exisiting server named SRV2 in the main office. You need to ensure SRV1 reflects the change immediately. What should you do?()

A. Restart the DNS Server service on DC1
B. Run the dnscmd command by using the /zonerefresh option on DC1
C. Run the dnscmd command by using the /zonerefresh option on SRV1
D. Set the refresh interval to 10minutes on the Start Of Authority (SOA) record.

国际结算条线大额支付交易实行逐级审批管理制度,授权起点为()。

A. 50万美元(含)
B. 50万美元(不含)
C. 100万美元(含)
D. 100万美元(不含)

某制氧厂每小时3350立方米氧气分镏塔因故障进行大修,大修时需在塔内焊接一个架设仪表管的角铁塔,甲乙二名焊工准备进入塔内进行作业,由于塔内管道较多,焊接处只能容纳一个人进行作业,所以乙便留在入孔处监护,甲在作业前未进行检查,也没发觉气源管道中氧气已倒流入塔内,因而当甲将焊钳刚接触引弧时,电弧和火焰同时窜出,,一刹那整个塔内烈火熊熊,乙见状冒险进入入孔冒险将甲拉出塔外,但甲烧伤面积已达70%,其中三度为30%,事故原因是()。

A. 未进行动火审批手续
B. 作业前未对塔内气体进行化验分析和检测
C. 焊工安全意识不强
D. 气源管道未装盲板

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