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[名词解释] 半数抑制浓度

某成年人血压指标是收缩压145mmHg、舒张压92mmHg,该成年人血压类型属于() ["理想血压","正常血压","临界高血压","高血压"] 少先队中队活动有规定的仪式与程序,若受场地、天气或时间等限制可省略部分程序,但()程序不能省略。 ["整队、报告人数、出旗、唱队歌","唱队歌、中队长讲话、呼号、活动开始","出旗、唱队歌、呼号、退旗","辅导员讲话、呼号、唱队歌、退旗"] Refer to the exhibit. Both routers have been configured as VoIP gateways. They must also support traditional telephony devices to connect to analog telephones. Which two configuration changes would correctly support the voice requirements?() ["On each router, under the dial-peer voice 1 pots configuration, add the port fa0\/0 command.","On each router, under the dial-peer voice 1 pots configuration, add the port 1\/0\/0 command.","On each router, configure dial-peer voice 1 as a voip connection and configure dial-peer voice 2 as a pots connection.","Under the dial-peer voice 1 pots configuration, change the destination pattern of 1111 to 2222 on the R1 router, and 2222 to 1111 on the R2 router.","Under the dial-peer voice 2 voip configuration, change the destination pattern of 1111 to 2222 on the R1 router, and 2222 to 1111 on the R2 router.","Under the dial-peer voice 2 voip configuration, change the destination target address of 10.2.2.2 to 10.1.1.1 on the R1 router, and the destination target address of 10.1.1.1 to 10.2.2.2 on the R2 router."] 四冲程的汽油机排气行程结束后,气体压力约为() ["102~105KPa","105~125KPa","106~125KPa","107~125KPa"] Which option describes the incorrect usage of the Label Distribution method?() ["LDP is primarily used in internal networks of MPLS-VPN providers.","MP-BGP is used for label distribution for VPN customer routes.","Directed LDP is used for label distribution in L2-VPN Attachement Circuits.","MP-BGP is used for label distribution in MPLS Traffic Engineered networks."] 半数抑制浓度
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