公共场所直接为顾客服务的人员,患有下列疾病治愈前不得从事直接为顾客服务的工作,但除外()
A. 痢疾
B. 伤寒
C. 病毒性肝炎
D. 活动期肺结核
E. 关节炎
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为降低系统间干扰,需要考虑天线的隔离度,天线隔离度与天线辐射方向图、()及天线增益有关。
暂停罪犯使用亲情电话的,监区(分监区)应收缴其亲情电话卡,填写《暂停罪犯使用亲情电话审批表》,按规定程序审批。
A. 正确
B. 错误
保教人员要引导幼儿接触周围环境和生活中美好的人、事、物,丰富他们的感性经验和审美情趣,激发他们表现美、()的情趣。
A. 感受美
B. 体验美
C. 创造美
D. 审视美
Which of the following statements are true regarding Layer 3 switches?(Choose all that apply.)()
A routed port does not run STP or DTP
B. A routed port is considered to be in a down state if it is not operational at both Layer 1 andLayer 2
C. An SVI is considered to be in a down state if it is not operational at both Layer 1 and Layer 2
D. An SVI is considered to be in a down state only when none of the ports in the correspondingVLAN are active
E. An SVI port does not run 5TP or DTP
F. To create a trunk, an SVI can be logically divided into subinterface