患者放射治疗发生放射性口腔黏膜反应的护理措施正确的是：（） ["告知患者禁食水","告知患者进食后立即用牙签剔牙防止出现牙菌斑","告知患者进食前后用漱口水漱口","知道患者勤刷牙预防感染，","告知患者该反应为常见反应，可不予处理"]
Which three statements are true about DAI？（） ["DAI intercept all ARP packets on untrusted ports","DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.","DAI is used to prevent against a DHCP Snooping attack.","DAI forwards all ARP packets received on a trusted interface without any checks.","DAI forwards all ARP packets on untrusted ports.","DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table."]
预备党员调动工作，其转正问题应怎样处理？
“忠毅”是左光斗的（）号。
发电机出口断路器采用何种操作机构？
概述马克思社会学理论的基本观点
