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问题 单项选择题

选择风挡加热测试电门至PWR TEST位（）

A、仅测试L1和R1风挡

B、在每次飞行前必须测试

C、如果所有绿灯风挡加热ON灯亮（或琥珀色OFF灯灭）时，可完成测试

D、核实风挡加热系统的工作

答案

参考答案：D

单项选择题 A3型题

男婴1岁1个月。出生体重2850g，现体重7kg（正常1岁男婴体重10.4kg，标准差0.94），血清总蛋白45g／L，出牙4颗，肌肉略松弛，尚不会走路。

最可能的诊断是（）

A.正常儿

B.佝偻病

C.中度体重低下

D.重度体重低下

E.低蛋白血症
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单项选择题

NAC’s（Network Access Control）role is to restrict network access to only compliant endpoints and （66） users．However, NAC is not a complete LAN（67）solution;additional proactive and（68）security measures must be implemented．Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 100Gbps, ensuring a high level of security plus application availability and performance．Nevis integrates NAC as the first line of LAN security （69）In addition to NAC，enterprises need to implement role-based network access control as well as critical proactive security measures-real-time,multilevel （70）inspection and microsecond threat containment．

69（）

A．defense

B．intrusion

C．inbreak

D．protection
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